3.14.6-stable review

cover

	kernel.org/pub/linux/kernel/v3.0/stable-review/patch-3.14.6-rc1.gz
    Linux 3.14.6-rc1
    i2c: s3c2410: resume race fix
    ASoC: dapm: Skip CODEC<->CODEC links in connect_dai_link_widgets()
    workqueue: make rescuer_thread() empty wq->maydays list before exiting
    NFSD: Call ->set_acl with a NULL ACL structure if no entries
    drm/i915: Break encoder->crtc link separately in intel_sanitize_crtc()
    irqchip: armada-370-xp: implement the ->check_device() msi_chip operation
    cfg80211: add cfg80211_sched_scan_stopped_rtnl
 Documentation/devicetree/bindings/dma/ti-edma.txt  |   4 +-
 Documentation/i2c/busses/i2c-i801                  |   1 +
 Documentation/input/elantech.txt                   |   5 +-
 Documentation/ja_JP/HOWTO                          |   2 +-
 Documentation/ja_JP/stable_kernel_rules.txt        |   6 +-
 Documentation/zh_CN/HOWTO                          |   2 +-
 Documentation/zh_CN/stable_kernel_rules.txt        |   2 +-
 Makefile                                           |   4 +-
 arch/arm/boot/dts/am33xx.dtsi                      |   2 +-
 arch/arm/boot/dts/armada-xp-db.dts                 |   2 +-
 arch/arm/boot/dts/armada-xp-gp.dts                 |   2 +-
 arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts   |   2 +-
 arch/arm/boot/dts/imx53.dtsi                       |   2 +-
 arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts     |  18 +-
 arch/arm/boot/dts/kirkwood-nsa310-common.dtsi      |  18 +-
 arch/arm/boot/dts/ste-ccu8540.dts                  |   1 +
 arch/arm/common/edma.c                             |  48 +--
 arch/arm/kernel/crash_dump.c                       |   2 +-
 arch/arm/mach-mvebu/mvebu-soc-id.c                 |  13 +-
 arch/arm/mach-orion5x/common.h                     |   2 +-
 arch/arm64/mm/hugetlbpage.c                        |   4 +
 arch/metag/include/asm/barrier.h                   |   3 +
 arch/metag/include/asm/processor.h                 |   2 +
 arch/mips/cavium-octeon/octeon-irq.c               |   2 +-
 arch/mips/lantiq/dts/easy50712.dts                 |   1 +
 arch/mips/loongson/lemote-2f/clock.c               |   5 +-
 arch/mips/ralink/dts/mt7620a_eval.dts              |   1 +
 arch/mips/ralink/dts/rt2880_eval.dts               |   1 +
 arch/mips/ralink/dts/rt3052_eval.dts               |   1 +
 arch/mips/ralink/dts/rt3883_eval.dts               |   1 +
 arch/parisc/Kconfig                                |   1 +
 arch/parisc/include/asm/processor.h                |   2 +
 arch/parisc/kernel/syscall.S                       |  12 +-
 arch/parisc/kernel/traps.c                         |  54 ++--
 arch/parisc/mm/fault.c                             |  44 ++-
 arch/powerpc/Makefile                              |   4 +-
 arch/powerpc/include/asm/ppc_asm.h                 |   7 +-
 arch/powerpc/kernel/machine_kexec_64.c             |   2 +-
 arch/powerpc/kernel/time.c                         |   3 -
 arch/powerpc/platforms/powernv/eeh-ioda.c          |   3 +-
 arch/s390/crypto/aes_s390.c                        |   3 +
 arch/s390/crypto/des_s390.c                        |   3 +
 arch/x86/include/asm/hugetlb.h                     |   1 +
 arch/x86/kernel/ldt.c                              |   4 +-
 arch/x86/vdso/vdso32-setup.c                       |   8 +
 crypto/crypto_wq.c                                 |   2 +-
 drivers/acpi/Kconfig                               |  17 ++
 drivers/acpi/Makefile                              |   1 +
 drivers/acpi/ac.c                                  | 117 ++++----
 drivers/acpi/acpi_platform.c                       |   1 -
 drivers/acpi/acpi_processor.c                      |   1 -
 drivers/acpi/acpica/acglobal.h                     |   4 +-
 drivers/acpi/acpica/tbutils.c                      |   7 +-
 drivers/acpi/battery.c                             | 329 ++++++++++++++++++++-
 drivers/acpi/blacklist.c                           |  21 ++
 drivers/acpi/cm_sbs.c                              | 105 +++++++
 drivers/acpi/ec.c                                  |  21 +-
 drivers/acpi/video.c                               |  16 +-
 drivers/ata/libata-core.c                          |   9 +
 drivers/ata/pata_at91.c                            |  11 +-
 drivers/base/dd.c                                  |  17 ++
 drivers/base/platform.c                            |   7 +-
 drivers/base/topology.c                            |   3 +-
 drivers/bluetooth/ath3k.c                          |   2 +
 drivers/bluetooth/btusb.c                          |   5 +-
 drivers/bus/mvebu-mbus.c                           |   6 -
 drivers/char/ipmi/ipmi_kcs_sm.c                    |   5 +-
 drivers/char/ipmi/ipmi_si_intf.c                   |  46 +--
 drivers/char/tpm/tpm_ppi.c                         |   8 +-
 drivers/clk/clk.c                                  |  74 ++---
 drivers/clk/tegra/clk-pll.c                        |   2 +-
 drivers/clk/versatile/clk-vexpress-osc.c           |   2 +-
 drivers/clocksource/exynos_mct.c                   |  12 +-
 drivers/cpufreq/intel_pstate.c                     |  34 +--
 drivers/cpufreq/loongson2_cpufreq.c                |   4 +-
 drivers/crypto/caam/error.c                        |  10 +-
 drivers/dma/dmaengine.c                            |   2 +
 drivers/dma/dw/core.c                              |  11 +-
 drivers/dma/mv_xor.c                               |   8 +-
 drivers/gpu/drm/i915/i915_drv.c                    |  90 +++++-
 drivers/gpu/drm/i915/i915_gem.c                    |   4 +-
 drivers/gpu/drm/i915/i915_irq.c                    |  18 +-
 drivers/gpu/drm/i915/intel_display.c               |  52 ++--
 drivers/gpu/drm/i915/intel_drv.h                   |   3 +-
 drivers/gpu/drm/i915/intel_hdmi.c                  |   9 +-
 drivers/gpu/drm/i915/intel_panel.c                 |   8 +-
 drivers/gpu/drm/i915/intel_pm.c                    |  10 +
 drivers/gpu/drm/i915/intel_uncore.c                |   2 +
 drivers/gpu/drm/nouveau/core/subdev/therm/fan.c    |  19 +-
 drivers/gpu/drm/nouveau/nouveau_acpi.c             |   3 -
 drivers/gpu/drm/nouveau/nouveau_display.c          |   2 +-
 drivers/gpu/drm/radeon/ci_dpm.c                    |   8 +
 drivers/gpu/drm/radeon/cik.c                       | 104 ++++++-
 drivers/gpu/drm/radeon/cik_sdma.c                  |   2 +-
 drivers/gpu/drm/radeon/cikd.h                      |   9 +
 drivers/gpu/drm/radeon/dce6_afmt.c                 |  14 +-
 drivers/gpu/drm/radeon/evergreen.c                 |  28 +-
 drivers/gpu/drm/radeon/r600.c                      |  13 +-
 drivers/gpu/drm/radeon/r600_dpm.c                  |  35 ++-
 drivers/gpu/drm/radeon/radeon.h                    |  12 +-
 drivers/gpu/drm/radeon/radeon_atpx_handler.c       |   9 +-
 drivers/gpu/drm/radeon/radeon_device.c             |  19 +-
 drivers/gpu/drm/radeon/radeon_display.c            |   4 +
 drivers/gpu/drm/radeon/radeon_drv.c                |  24 +-
 drivers/gpu/drm/radeon/radeon_family.h             |   1 +
 drivers/gpu/drm/radeon/radeon_kms.c                |  12 +-
 drivers/gpu/drm/radeon/radeon_pm.c                 |  51 ++--
 drivers/gpu/drm/radeon/radeon_ucode.h              |   7 +-
 drivers/gpu/drm/radeon/radeon_uvd.c                |   4 +
 drivers/gpu/drm/radeon/si.c                        |  65 ++--
 drivers/gpu/drm/radeon/uvd_v1_0.c                  |  10 +-
 drivers/gpu/host1x/hw/intr_hw.c                    |   4 +-
 drivers/hwmon/coretemp.c                           |   4 +-
 drivers/hwmon/emc1403.c                            |  10 +-
 drivers/i2c/busses/Kconfig                         |   1 +
 drivers/i2c/busses/i2c-designware-core.c           |   3 +
 drivers/i2c/busses/i2c-i801.c                      |   3 +
 drivers/i2c/busses/i2c-rcar.c                      |   9 +-
 drivers/i2c/busses/i2c-s3c2410.c                   |   2 +-
 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c         |   7 +-
 drivers/infiniband/ulp/isert/ib_isert.c            |  27 +-
 drivers/infiniband/ulp/isert/ib_isert.h            |   2 +-
 drivers/input/keyboard/atkbd.c                     |  29 +-
 drivers/input/mouse/elantech.c                     |  26 +-
 drivers/input/mouse/elantech.h                     |   1 +
 drivers/input/mouse/synaptics.c                    | 195 ++++++------
 drivers/input/serio/i8042-x86ia64io.h              |  15 +
 drivers/input/serio/i8042.c                        |   6 +
 drivers/input/serio/serio.c                        |  14 +
 drivers/iommu/amd_iommu.c                          |   2 +-
 drivers/irqchip/irq-armada-370-xp.c                |  17 +-
 drivers/irqchip/irq-gic.c                          |   8 +-
 drivers/leds/leds-pwm.c                            |  23 +-
 drivers/md/dm-cache-target.c                       |   1 +
 drivers/md/dm-crypt.c                              |  61 +---
 drivers/md/dm-thin.c                               |  23 +-
 drivers/md/dm-verity.c                             |  15 +-
 drivers/md/md.c                                    |   3 +-
 drivers/md/raid10.c                                |  13 +-
 drivers/media/i2c/ov7670.c                         |   2 +-
 drivers/media/media-device.c                       |   1 +
 drivers/media/tuners/fc2580.c                      |   6 +-
 drivers/media/tuners/fc2580_priv.h                 |   1 +
 drivers/media/v4l2-core/v4l2-compat-ioctl32.c      |  12 +-
 drivers/memory/mvebu-devbus.c                      |  15 +-
 drivers/net/ethernet/intel/e1000e/netdev.c         |  20 +-
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |   2 +-
 drivers/net/ethernet/intel/igb/igb_main.c          |   7 +
 .../net/wireless/brcm80211/brcmsmac/mac80211_if.c  |  14 +-
 drivers/net/wireless/iwlwifi/iwl-7000.c            |   5 +-
 drivers/net/wireless/iwlwifi/mvm/bt-coex.c         |  12 +-
 drivers/net/wireless/iwlwifi/mvm/mac80211.c        |   7 +-
 drivers/net/wireless/iwlwifi/mvm/rs.c              | 219 ++++++++------
 drivers/net/wireless/iwlwifi/mvm/rs.h              |   2 +
 drivers/net/wireless/iwlwifi/mvm/sf.c              |   3 +-
 drivers/net/wireless/iwlwifi/pcie/drv.c            |   2 +
 drivers/net/wireless/iwlwifi/pcie/trans.c          |  10 +-
 drivers/net/wireless/rt2x00/rt2x00mac.c            |  22 +-
 drivers/net/wireless/rtlwifi/rtl8192cu/hw.c        |   2 +-
 drivers/of/irq.c                                   |  26 ++
 drivers/of/platform.c                              |   4 +-
 drivers/pci/host/pci-mvebu.c                       |  92 +++++-
 drivers/pci/hotplug/shpchp_ctrl.c                  |   4 +-
 drivers/pci/pci.c                                  |   5 +-
 drivers/pnp/pnpacpi/core.c                         |  44 +--
 drivers/rtc/rtc-hym8563.c                          |   3 +
 drivers/spi/spi.c                                  |  11 +-
 drivers/target/iscsi/iscsi_target.c                |   4 +-
 drivers/target/target_core_device.c                |  12 +-
 drivers/target/target_core_transport.c             |   2 +-
 drivers/target/tcm_fc/tfc_cmd.c                    |   8 +-
 drivers/tty/serial/8250/8250_core.c                |   2 +-
 drivers/tty/serial/8250/8250_dma.c                 |   9 +-
 drivers/usb/gadget/at91_udc.c                      |  10 -
 drivers/usb/host/ehci-fsl.c                        |   3 +-
 drivers/usb/host/ohci-hub.c                        |  18 ++
 drivers/usb/host/ohci-pci.c                        |   1 +
 drivers/usb/host/ohci.h                            |   2 +
 drivers/usb/serial/qcserial.c                      |  15 +
 drivers/usb/storage/shuttle_usbat.c                |   2 +-
 drivers/usb/storage/unusual_devs.h                 |  14 +
 fs/affs/super.c                                    |   2 -
 fs/aio.c                                           |   6 +-
 fs/autofs4/root.c                                  |   4 +-
 fs/ceph/dir.c                                      |   9 +-
 fs/ceph/inode.c                                    |  71 +----
 fs/ceph/super.h                                    |   1 -
 fs/coredump.c                                      |   7 +-
 fs/dcache.c                                        |   3 +-
 fs/exec.c                                          |   6 +-
 fs/kernfs/file.c                                   |   2 +
 fs/namei.c                                         |   6 +-
 fs/nfsd/nfs4acl.c                                  |  17 +-
 fs/nfsd/nfs4state.c                                |  40 ++-
 fs/posix_acl.c                                     |   6 +
 fs/sysfs/file.c                                    |   3 +-
 include/linux/dmaengine.h                          |   1 +
 include/linux/ftrace.h                             |   2 +
 include/linux/interrupt.h                          |  40 ++-
 include/linux/irq.h                                |   3 +-
 include/linux/of_irq.h                             |   5 +
 include/linux/serio.h                              |   1 +
 include/net/cfg80211.h                             |  12 +
 include/trace/events/module.h                      |   2 +-
 include/uapi/drm/tegra_drm.h                       |   1 -
 include/uapi/linux/input.h                         |   1 +
 kernel/futex.c                                     |  52 +++-
 kernel/hrtimer.c                                   |  30 +-
 kernel/irq/manage.c                                |  17 +-
 kernel/kexec.c                                     |   8 +
 kernel/locking/rtmutex.c                           |  32 +-
 kernel/module.c                                    |   6 +-
 kernel/timer.c                                     |   2 +-
 kernel/trace/ftrace.c                              |  27 +-
 kernel/workqueue.c                                 |  36 ++-
 mm/compaction.c                                    |  22 +-
 mm/memory-failure.c                                |  15 +-
 mm/memory.c                                        |   5 +
 mm/mremap.c                                        |   9 +-
 mm/page-writeback.c                                |   6 +-
 mm/percpu.c                                        |   2 +-
 mm/vmscan.c                                        |  18 ++
 net/bluetooth/hci_conn.c                           |   9 +-
 net/bluetooth/hci_event.c                          |   6 +
 net/ceph/messenger.c                               |  20 +-
 net/mac80211/ieee80211_i.h                         |   1 +
 net/mac80211/mlme.c                                |  20 +-
 net/mac80211/offchannel.c                          |  27 +-
 net/mac80211/util.c                                |   2 +-
 net/wireless/reg.c                                 |  19 +-
 net/wireless/scan.c                                |  12 +-
 net/wireless/sme.c                                 |   2 +-
 security/device_cgroup.c                           | 203 ++++++++++---
 sound/pci/hda/hda_intel.c                          |   3 +
 sound/pci/hda/patch_hdmi.c                         |   4 +-
 sound/soc/codecs/wm8962.c                          |  15 +-
 sound/soc/codecs/wm8962.h                          |   4 +
 sound/soc/soc-dapm.c                               |   7 +-
 sound/usb/card.h                                   |   1 +
 sound/usb/endpoint.c                               |  15 +-
 240 files changed, 2763 insertions(+), 1205 deletions(-)
---
 kernel/futex.c |   47 ++++++++++++++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 13 deletions(-)
@@ -731,7 +731,8 @@ void exit_pi_state_list(struct task_stru
 
 static int
 lookup_pi_state(u32 uval, struct futex_hash_bucket *hb,
-		union futex_key *key, struct futex_pi_state **ps)
+		union futex_key *key, struct futex_pi_state **ps,
+		struct task_struct *task)
 {
 	struct futex_pi_state *pi_state = NULL;
 	struct futex_q *this, *next;

@@ -772,6 +773,16 @@ lookup_pi_state(u32 uval, struct futex_h
 					return -EINVAL;
 			}
 
+			/*
+			 * Protect against a corrupted uval. If uval
+			 * is 0x80000000 then pid is 0 and the waiter
+			 * bit is set. So the deadlock check in the
+			 * calling code has failed and we did not fall
+			 * into the check above due to !pid.
+			 */
+			if (task && pi_state->owner == task)
+				return -EDEADLK;
+
 			atomic_inc(&pi_state->refcount);
 			*ps = pi_state;
 

@@ -921,7 +932,7 @@ retry:
 	 * We dont have the lock. Look up the PI state (or create it if
 	 * we are the first waiter):
 	 */
-	ret = lookup_pi_state(uval, hb, key, ps);
+	ret = lookup_pi_state(uval, hb, key, ps, task);
 
 	if (unlikely(ret)) {
 		switch (ret) {

@@ -1333,7 +1344,7 @@ void requeue_pi_wake_futex(struct futex_
  *
  * Return:
  *  0 - failed to acquire the lock atomically;
- *  1 - acquired the lock;
+ * >0 - acquired the lock, return value is vpid of the top_waiter
  * <0 - error
  */
 static int futex_proxy_trylock_atomic(u32 __user *pifutex,

@@ -1344,7 +1355,7 @@ static int futex_proxy_trylock_atomic(u3
 {
 	struct futex_q *top_waiter = NULL;
 	u32 curval;
-	int ret;
+	int ret, vpid;
 
 	if (get_futex_value_locked(&curval, pifutex))
 		return -EFAULT;

@@ -1372,11 +1383,13 @@ static int futex_proxy_trylock_atomic(u3
 	 * the contended case or if set_waiters is 1.  The pi_state is returned
 	 * in ps in contended cases.
 	 */
+	vpid = task_pid_vnr(top_waiter->task);
 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,
 				   set_waiters);
-	if (ret == 1)
+	if (ret == 1) {
 		requeue_pi_wake_futex(top_waiter, key2, hb2);
-
+		return vpid;
+	}
 	return ret;
 }
 

@@ -1407,7 +1420,6 @@ static int futex_requeue(u32 __user *uad
 	struct futex_pi_state *pi_state = NULL;
 	struct futex_hash_bucket *hb1, *hb2;
 	struct futex_q *this, *next;
-	u32 curval2;
 
 	if (requeue_pi) {
 		/*

@@ -1495,16 +1507,25 @@ retry_private:
 		 * At this point the top_waiter has either taken uaddr2 or is
 		 * waiting on it.  If the former, then the pi_state will not
 		 * exist yet, look it up one more time to ensure we have a
-		 * reference to it.
+		 * reference to it. If the lock was taken, ret contains the
+		 * vpid of the top waiter task.
 		 */
-		if (ret == 1) {
+		if (ret > 0) {
 			WARN_ON(pi_state);
 			drop_count++;
 			task_count++;
-			ret = get_futex_value_locked(&curval2, uaddr2);
-			if (!ret)
-				ret = lookup_pi_state(curval2, hb2, &key2,
-						      &pi_state);
+			/*
+			 * If we acquired the lock, then the user
+			 * space value of uaddr2 should be vpid. It
+			 * cannot be changed by the top waiter as it
+			 * is blocked on hb2 lock if it tries to do
+			 * so. If something fiddled with it behind our
+			 * back the pi state lookup might unearth
+			 * it. So we rather use the known value than
+			 * rereading and handing potential crap to
+			 * lookup_pi_state.
+			 */
+			ret = lookup_pi_state(ret, hb2, &key2, &pi_state, NULL);
 		}
 
 		switch (ret) {

---
 kernel/futex.c |    5 +++++
 1 file changed, 5 insertions(+)
@@ -800,6 +800,11 @@ lookup_pi_state(u32 uval, struct futex_h
 	if (!p)
 		return -ESRCH;
 
+	if (!p->mm) {
+		put_task_struct(p);
+		return -EPERM;
+	}
+
 	/*
 	 * We need to look at the task state flags to figure out,
 	 * whether the task is exiting. To protect against the do_exit

---
 arch/mips/loongson/lemote-2f/clock.c |    5 +++--
 drivers/cpufreq/loongson2_cpufreq.c  |    4 ++--
 2 files changed, 5 insertions(+), 4 deletions(-)
@@ -91,6 +91,7 @@ EXPORT_SYMBOL(clk_put);
 
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
+	unsigned int rate_khz = rate / 1000;
 	int ret = 0;
 	int regval;
 	int i;

@@ -111,10 +112,10 @@ int clk_set_rate(struct clk *clk, unsign
 		if (loongson2_clockmod_table[i].frequency ==
 		    CPUFREQ_ENTRY_INVALID)
 			continue;
-		if (rate == loongson2_clockmod_table[i].frequency)
+		if (rate_khz == loongson2_clockmod_table[i].frequency)
 			break;
 	}
-	if (rate != loongson2_clockmod_table[i].frequency)
+	if (rate_khz != loongson2_clockmod_table[i].frequency)
 		return -ENOTSUPP;
 
 	clk->rate = rate;

@@ -62,7 +62,7 @@ static int loongson2_cpufreq_target(stru
 	set_cpus_allowed_ptr(current, &cpus_allowed);
 
 	/* setting the cpu frequency */
-	clk_set_rate(policy->clk, freq);
+	clk_set_rate(policy->clk, freq * 1000);
 
 	return 0;
 }

@@ -92,7 +92,7 @@ static int loongson2_cpufreq_cpu_init(st
 	     i++)
 		loongson2_clockmod_table[i].frequency = (rate * i) / 8;
 
-	ret = clk_set_rate(cpuclk, rate);
+	ret = clk_set_rate(cpuclk, rate * 1000);
 	if (ret) {
 		clk_put(cpuclk);
 		return ret;

---
 arch/mips/lantiq/dts/easy50712.dts    |    1 +
 arch/mips/ralink/dts/mt7620a_eval.dts |    1 +
 arch/mips/ralink/dts/rt2880_eval.dts  |    1 +
 arch/mips/ralink/dts/rt3052_eval.dts  |    1 +
 arch/mips/ralink/dts/rt3883_eval.dts  |    1 +
 5 files changed, 5 insertions(+)
@@ -8,6 +8,7 @@
 	};
 
 	memory@0 {
+		device_type = "memory";
 		reg = <0x0 0x2000000>;
 	};
 

@@ -7,6 +7,7 @@
 	model = "Ralink MT7620A evaluation board";
 
 	memory@0 {
+		device_type = "memory";
 		reg = <0x0 0x2000000>;
 	};
 

@@ -7,6 +7,7 @@
 	model = "Ralink RT2880 evaluation board";
 
 	memory@0 {
+		device_type = "memory";
 		reg = <0x8000000 0x2000000>;
 	};
 

@@ -7,6 +7,7 @@
 	model = "Ralink RT3052 evaluation board";
 
 	memory@0 {
+		device_type = "memory";
 		reg = <0x0 0x2000000>;
 	};
 

@@ -7,6 +7,7 @@
 	model = "Ralink RT3883 evaluation board";
 
 	memory@0 {
+		device_type = "memory";
 		reg = <0x0 0x2000000>;
 	};
 

	/*
	 * Drop out, when the task has no waiters. Note,
	 * top_waiter can be NULL, when we are in the deboosting
	 * mode!
	 */
	if (top_waiter && (!task_has_pi_waiters(task) ||
			   top_waiter != task_top_pi_waiter(task)))
		goto out_unlock_pi;
---
 kernel/locking/rtmutex.c |   32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)
@@ -331,9 +331,16 @@ static int rt_mutex_adjust_prio_chain(st
 	 * top_waiter can be NULL, when we are in the deboosting
 	 * mode!
 	 */
-	if (top_waiter && (!task_has_pi_waiters(task) ||
-			   top_waiter != task_top_pi_waiter(task)))
-		goto out_unlock_pi;
+	if (top_waiter) {
+		if (!task_has_pi_waiters(task))
+			goto out_unlock_pi;
+		/*
+		 * If deadlock detection is off, we stop here if we
+		 * are not the top pi waiter of the task.
+		 */
+		if (!detect_deadlock && top_waiter != task_top_pi_waiter(task))
+			goto out_unlock_pi;
+	}
 
 	/*
 	 * When deadlock detection is off then we check, if further

@@ -349,7 +356,12 @@ static int rt_mutex_adjust_prio_chain(st
 		goto retry;
 	}
 
-	/* Deadlock detection */
+	/*
+	 * Deadlock detection. If the lock is the same as the original
+	 * lock which caused us to walk the lock chain or if the
+	 * current lock is owned by the task which initiated the chain
+	 * walk, we detected a deadlock.
+	 */
 	if (lock == orig_lock || rt_mutex_owner(lock) == top_task) {
 		debug_rt_mutex_deadlock(deadlock_detect, orig_waiter, lock);
 		raw_spin_unlock(&lock->wait_lock);

@@ -515,6 +527,18 @@ static int task_blocks_on_rt_mutex(struc
 	unsigned long flags;
 	int chain_walk = 0, res;
 
+	/*
+	 * Early deadlock detection. We really don't want the task to
+	 * enqueue on itself just to untangle the mess later. It's not
+	 * only an optimization. We drop the locks, so another waiter
+	 * can come in before the chain walk detects the deadlock. So
+	 * the other will detect the deadlock and return -EDEADLOCK,
+	 * which is wrong, as the other waiter is not in a deadlock
+	 * situation.
+	 */
+	if (detect_deadlock && owner == task)
+		return -EDEADLK;
+
 	raw_spin_lock_irqsave(&task->pi_lock, flags);
 	__rt_mutex_adjust_prio(task);
 	waiter->task = task;

	CPU 1				CPU 2
	-----				-----
				register_ftrace_function()
				 mutex_lock(&ftrace_lock);
				 ftrace_startup()
				  update_ftrace_function();
				   ftrace_arch_code_modify_prepare()
				    set_all_module_text_rw();
				   <enables-ftrace>
				    ftrace_arch_code_modify_post_process()
				     set_all_module_text_ro();

				[ here all module text is set to RO,
				  including the module that is
				  loading!! ]
   blocking_notifier_call_chain(MODULE_STATE_COMING);
    ftrace_init_module()
---
 include/linux/ftrace.h |    2 ++
 kernel/module.c        |    3 +++
 kernel/trace/ftrace.c  |   27 ++++-----------------------
 3 files changed, 9 insertions(+), 23 deletions(-)
@@ -524,6 +524,7 @@ static inline int ftrace_modify_call(str
 extern int ftrace_arch_read_dyn_info(char *buf, int size);
 
 extern int skip_trace(unsigned long ip);
+extern void ftrace_module_init(struct module *mod);
 
 extern void ftrace_disable_daemon(void);
 extern void ftrace_enable_daemon(void);

@@ -533,6 +534,7 @@ static inline int ftrace_force_update(vo
 static inline void ftrace_disable_daemon(void) { }
 static inline void ftrace_enable_daemon(void) { }
 static inline void ftrace_release_mod(struct module *mod) {}
+static inline void ftrace_module_init(struct module *mod) {}
 static inline __init int register_ftrace_command(struct ftrace_func_command *cmd)
 {
 	return -EINVAL;

@@ -3265,6 +3265,9 @@ static int load_module(struct load_info
 
 	dynamic_debug_setup(info->debug, info->num_debug);
 
+	/* Ftrace init must be called in the MODULE_STATE_UNFORMED state */
+	ftrace_module_init(mod);
+
 	/* Finally it's fully formed, ready to start executing. */
 	err = complete_formation(mod, info);
 	if (err)

@@ -4315,16 +4315,11 @@ static void ftrace_init_module(struct mo
 	ftrace_process_locs(mod, start, end);
 }
 
-static int ftrace_module_notify_enter(struct notifier_block *self,
-				      unsigned long val, void *data)
+void ftrace_module_init(struct module *mod)
 {
-	struct module *mod = data;
-
-	if (val == MODULE_STATE_COMING)
-		ftrace_init_module(mod, mod->ftrace_callsites,
-				   mod->ftrace_callsites +
-				   mod->num_ftrace_callsites);
-	return 0;
+	ftrace_init_module(mod, mod->ftrace_callsites,
+			   mod->ftrace_callsites +
+			   mod->num_ftrace_callsites);
 }
 
 static int ftrace_module_notify_exit(struct notifier_block *self,

@@ -4338,11 +4333,6 @@ static int ftrace_module_notify_exit(str
 	return 0;
 }
 #else
-static int ftrace_module_notify_enter(struct notifier_block *self,
-				      unsigned long val, void *data)
-{
-	return 0;
-}
 static int ftrace_module_notify_exit(struct notifier_block *self,
 				     unsigned long val, void *data)
 {

@@ -4350,11 +4340,6 @@ static int ftrace_module_notify_exit(str
 }
 #endif /* CONFIG_MODULES */
 
-struct notifier_block ftrace_module_enter_nb = {
-	.notifier_call = ftrace_module_notify_enter,
-	.priority = INT_MAX,	/* Run before anything that can use kprobes */
-};
-
 struct notifier_block ftrace_module_exit_nb = {
 	.notifier_call = ftrace_module_notify_exit,
 	.priority = INT_MIN,	/* Run after anything that can remove kprobes */

@@ -4391,10 +4376,6 @@ void __init ftrace_init(void)
 				  __start_mcount_loc,
 				  __stop_mcount_loc);
 
-	ret = register_module_notifier(&ftrace_module_enter_nb);
-	if (ret)
-		pr_warning("Failed to register trace ftrace module enter notifier\n");
-
 	ret = register_module_notifier(&ftrace_module_exit_nb);
 	if (ret)
 		pr_warning("Failed to register trace ftrace module exit notifier\n");

------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at drivers/of/platform.c:171 of_device_alloc+0x144/0x184()
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.12.0-00038-g42a9708 #1012
(show_stack+0x14/0x1c)
(dump_stack+0x6c/0xa0)
(warn_slowpath_common+0x64/0x84)
(warn_slowpath_null+0x1c/0x24)
(of_device_alloc+0x144/0x184)
(of_platform_device_create_pdata+0x44/0x9c)
(of_platform_bus_create+0xd0/0x170)
(of_platform_bus_create+0x12c/0x170)
(of_platform_populate+0x60/0x98)
---
 drivers/base/platform.c |    7 ++++++-
 drivers/of/irq.c        |   26 ++++++++++++++++++++++++++
 drivers/of/platform.c   |    4 +++-
 include/linux/of_irq.h  |    5 +++++
 4 files changed, 40 insertions(+), 2 deletions(-)
@@ -13,6 +13,7 @@
 #include <linux/string.h>
 #include <linux/platform_device.h>
 #include <linux/of_device.h>
+#include <linux/of_irq.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/dma-mapping.h>

@@ -87,7 +88,11 @@ int platform_get_irq(struct platform_dev
 		return -ENXIO;
 	return dev->archdata.irqs[num];
 #else
-	struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num);
+	struct resource *r;
+	if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node)
+		return of_irq_get(dev->dev.of_node, num);
+
+	r = platform_get_resource(dev, IORESOURCE_IRQ, num);
 
 	return r ? r->start : -ENXIO;
 #endif

@@ -380,6 +380,32 @@ int of_irq_to_resource(struct device_nod
 EXPORT_SYMBOL_GPL(of_irq_to_resource);
 
 /**
+ * of_irq_get - Decode a node's IRQ and return it as a Linux irq number
+ * @dev: pointer to device tree node
+ * @index: zero-based index of the irq
+ *
+ * Returns Linux irq number on success, or -EPROBE_DEFER if the irq domain
+ * is not yet created.
+ *
+ */
+int of_irq_get(struct device_node *dev, int index)
+{
+	int rc;
+	struct of_phandle_args oirq;
+	struct irq_domain *domain;
+
+	rc = of_irq_parse_one(dev, index, &oirq);
+	if (rc)
+		return rc;
+
+	domain = irq_find_host(oirq.np);
+	if (!domain)
+		return -EPROBE_DEFER;
+
+	return irq_create_of_mapping(&oirq);
+}
+
+/**
  * of_irq_count - Count the number of IRQs a node uses
  * @dev: pointer to device tree node
  */

@@ -168,7 +168,9 @@ struct platform_device *of_device_alloc(
 			rc = of_address_to_resource(np, i, res);
 			WARN_ON(rc);
 		}
-		WARN_ON(of_irq_to_resource_table(np, res, num_irq) != num_irq);
+		if (of_irq_to_resource_table(np, res, num_irq) != num_irq)
+			pr_debug("not all legacy IRQ resources mapped for %s\n",
+				 np->name);
 	}
 
 	dev->dev.of_node = of_node_get(np);

@@ -44,11 +44,16 @@ extern void of_irq_init(const struct of_
 
 #ifdef CONFIG_OF_IRQ
 extern int of_irq_count(struct device_node *dev);
+extern int of_irq_get(struct device_node *dev, int index);
 #else
 static inline int of_irq_count(struct device_node *dev)
 {
 	return 0;
 }
+static inline int of_irq_get(struct device_node *dev, int index)
+{
+	return 0;
+}
 #endif
 
 #if defined(CONFIG_OF)

---
 drivers/irqchip/irq-gic.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
@@ -246,10 +246,14 @@ static int gic_set_affinity(struct irq_d
 			    bool force)
 {
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
-	unsigned int shift = (gic_irq(d) % 4) * 8;
-	unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+	unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
 	u32 val, mask, bit;
 
+	if (!force)
+		cpu = cpumask_any_and(mask_val, cpu_online_mask);
+	else
+		cpu = cpumask_first(mask_val);
+
 	if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
 		return -EINVAL;
 

---
 drivers/irqchip/irq-gic.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
@@ -246,10 +246,14 @@ static int gic_set_affinity(struct irq_d
 			    bool force)
 {
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
-	unsigned int shift = (gic_irq(d) % 4) * 8;
-	unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+	unsigned int cpu, shift = (gic_irq(d) % 4) * 8;
 	u32 val, mask, bit;
 
+	if (!force)
+		cpu = cpumask_any_and(mask_val, cpu_online_mask);
+	else
+		cpu = cpumask_first(mask_val);
+
 	if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids)
 		return -EINVAL;
 

---
 arch/mips/cavium-octeon/octeon-irq.c |    2 +-
 include/linux/interrupt.h            |   35 ++++++++++++++++++++++++++++++++++-
 include/linux/irq.h                  |    3 ++-
 kernel/irq/manage.c                  |   17 ++++++-----------
 4 files changed, 43 insertions(+), 14 deletions(-)
@@ -635,7 +635,7 @@ static void octeon_irq_cpu_offline_ciu(s
 		cpumask_clear(&new_affinity);
 		cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity);
 	}
-	__irq_set_affinity_locked(data, &new_affinity);
+	irq_set_affinity_locked(data, &new_affinity, false);
 }
 
 static int octeon_irq_ciu_set_affinity(struct irq_data *data,

@@ -202,7 +202,40 @@ static inline int check_wakeup_irqs(void
 
 extern cpumask_var_t irq_default_affinity;
 
-extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask);
+/* Internal implementation. Use the helpers below */
+extern int __irq_set_affinity(unsigned int irq, const struct cpumask *cpumask,
+			      bool force);
+
+/**
+ * irq_set_affinity - Set the irq affinity of a given irq
+ * @irq:	Interrupt to set affinity
+ * @mask:	cpumask
+ *
+ * Fails if cpumask does not contain an online CPU
+ */
+static inline int
+irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+	return __irq_set_affinity(irq, cpumask, false);
+}
+
+/**
+ * irq_force_affinity - Force the irq affinity of a given irq
+ * @irq:	Interrupt to set affinity
+ * @mask:	cpumask
+ *
+ * Same as irq_set_affinity, but without checking the mask against
+ * online cpus.
+ *
+ * Solely for low level cpu hotplug code, where we need to make per
+ * cpu interrupts affine before the cpu becomes online.
+ */
+static inline int
+irq_force_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+	return __irq_set_affinity(irq, cpumask, true);
+}
+
 extern int irq_can_set_affinity(unsigned int irq);
 extern int irq_select_affinity(unsigned int irq);
 

@@ -385,7 +385,8 @@ extern void remove_percpu_irq(unsigned i
 
 extern void irq_cpu_online(void);
 extern void irq_cpu_offline(void);
-extern int __irq_set_affinity_locked(struct irq_data *data,  const struct cpumask *cpumask);
+extern int irq_set_affinity_locked(struct irq_data *data,
+				   const struct cpumask *cpumask, bool force);
 
 #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)
 void irq_move_irq(struct irq_data *data);

@@ -150,7 +150,7 @@ int irq_do_set_affinity(struct irq_data
 	struct irq_chip *chip = irq_data_get_irq_chip(data);
 	int ret;
 
-	ret = chip->irq_set_affinity(data, mask, false);
+	ret = chip->irq_set_affinity(data, mask, force);
 	switch (ret) {
 	case IRQ_SET_MASK_OK:
 		cpumask_copy(data->affinity, mask);

@@ -162,7 +162,8 @@ int irq_do_set_affinity(struct irq_data
 	return ret;
 }
 
-int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask)
+int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
+			    bool force)
 {
 	struct irq_chip *chip = irq_data_get_irq_chip(data);
 	struct irq_desc *desc = irq_data_to_desc(data);

@@ -172,7 +173,7 @@ int __irq_set_affinity_locked(struct irq
 		return -EINVAL;
 
 	if (irq_can_move_pcntxt(data)) {
-		ret = irq_do_set_affinity(data, mask, false);
+		ret = irq_do_set_affinity(data, mask, force);
 	} else {
 		irqd_set_move_pending(data);
 		irq_copy_pending(desc, mask);

@@ -187,13 +188,7 @@ int __irq_set_affinity_locked(struct irq
 	return ret;
 }
 
-/**
- *	irq_set_affinity - Set the irq affinity of a given irq
- *	@irq:		Interrupt to set affinity
- *	@mask:		cpumask
- *
- */
-int irq_set_affinity(unsigned int irq, const struct cpumask *mask)
+int __irq_set_affinity(unsigned int irq, const struct cpumask *mask, bool force)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;

@@ -203,7 +198,7 @@ int irq_set_affinity(unsigned int irq, c
 		return -EINVAL;
 
 	raw_spin_lock_irqsave(&desc->lock, flags);
-	ret =  __irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask);
+	ret = irq_set_affinity_locked(irq_desc_get_irq_data(desc), mask, force);
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 	return ret;
 }

---
 drivers/clocksource/exynos_mct.c |    8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
@@ -432,6 +432,7 @@ static int exynos4_local_timer_setup(str
 				evt->irq);
 			return -EIO;
 		}
+		irq_force_affinity(mct_irqs[MCT_L0_IRQ + cpu], cpumask_of(cpu));
 	} else {
 		enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
 	}

@@ -452,7 +453,6 @@ static int exynos4_mct_cpu_notify(struct
 					   unsigned long action, void *hcpu)
 {
 	struct mct_clock_event_device *mevt;
-	unsigned int cpu;
 
 	/*
 	 * Grab cpu pointer in each case to avoid spurious

@@ -463,12 +463,6 @@ static int exynos4_mct_cpu_notify(struct
 		mevt = this_cpu_ptr(&percpu_mct_tick);
 		exynos4_local_timer_setup(&mevt->evt);
 		break;
-	case CPU_ONLINE:
-		cpu = (unsigned long)hcpu;
-		if (mct_int_type == MCT_INT_SPI)
-			irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu],
-						cpumask_of(cpu));
-		break;
 	case CPU_DYING:
 		mevt = this_cpu_ptr(&percpu_mct_tick);
 		exynos4_local_timer_stop(&mevt->evt);

---
 drivers/clocksource/exynos_mct.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -418,8 +418,6 @@ static int exynos4_local_timer_setup(str
 	evt->set_mode = exynos4_tick_set_mode;
 	evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
 	evt->rating = 450;
-	clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1),
-					0xf, 0x7fffffff);
 
 	exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
 

@@ -436,6 +434,8 @@ static int exynos4_local_timer_setup(str
 	} else {
 		enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
 	}
+	clockevents_config_and_register(evt, clk_rate / (TICK_BASE_CNT + 1),
+					0xf, 0x7fffffff);
 
 	return 0;
 }

---
 fs/kernfs/file.c |    2 ++
 1 file changed, 2 insertions(+)
@@ -476,6 +476,8 @@ static int kernfs_fop_mmap(struct file *
 
 	ops = kernfs_ops(of->kn);
 	rc = ops->mmap(of, vma);
+	if (rc)
+		goto out_put;
 
 	/*
 	 * PowerPC's pci_mmap of legacy_mem uses shmem_zero_setup()

---
 drivers/ata/pata_at91.c |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
@@ -408,12 +408,13 @@ static int pata_at91_probe(struct platfo
 
 	host->private_data = info;
 
-	return ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
-			gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
-			irq_flags, &pata_at91_sht);
+	ret = ata_host_activate(host, gpio_is_valid(irq) ? gpio_to_irq(irq) : 0,
+				gpio_is_valid(irq) ? ata_sff_interrupt : NULL,
+				irq_flags, &pata_at91_sht);
+	if (ret)
+		goto err_put;
 
-	if (!ret)
-		return 0;
+	return 0;
 
 err_put:
 	clk_put(info->mck);

  lpq84:~# echo "|/foobar12345 %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h" >/proc/sys/kernel/core_pattern
  lpq84:~# ./produce_core
  Segmentation fault (core dumped)
  lpq84:~# dmesg | tail -1
  [  614.352947] Core dump to |/foobar12345 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 lpq84 (null) pipe failed
  lpq83:~# echo "|/foobar12345 %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h %h" >/proc/sys/kernel/core_pattern
  lpq83:~# ./produce_core
  Segmentation fault
  lpq83:~# dmesg | tail -1
  [  740.800441] Core dump to |/foobar12345 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 lpq83 pipe failed
---
 fs/coredump.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
@@ -73,10 +73,15 @@ static int expand_corename(struct core_n
 static int cn_vprintf(struct core_name *cn, const char *fmt, va_list arg)
 {
 	int free, need;
+	va_list arg_copy;
 
 again:
 	free = cn->size - cn->used;
-	need = vsnprintf(cn->corename + cn->used, free, fmt, arg);
+
+	va_copy(arg_copy, arg);
+	need = vsnprintf(cn->corename + cn->used, free, fmt, arg_copy);
+	va_end(arg_copy);
+
 	if (need < free) {
 		cn->used += need;
 		return 0;

---
 mm/memory.c |    5 +++++
 1 file changed, 5 insertions(+)
@@ -1929,12 +1929,17 @@ int fixup_user_fault(struct task_struct
 		     unsigned long address, unsigned int fault_flags)
 {
 	struct vm_area_struct *vma;
+	vm_flags_t vm_flags;
 	int ret;
 
 	vma = find_extend_vma(mm, address);
 	if (!vma || address < vma->vm_start)
 		return -EFAULT;
 
+	vm_flags = (fault_flags & FAULT_FLAG_WRITE) ? VM_WRITE : VM_READ;
+	if (!(vm_flags & vma->vm_flags))
+		return -EFAULT;
+
 	ret = handle_mm_fault(mm, vma, address, fault_flags);
 	if (ret & VM_FAULT_ERROR) {
 		if (ret & VM_FAULT_OOM)

---
 drivers/tty/serial/8250/8250_dma.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
@@ -20,12 +20,15 @@ static void __dma_tx_complete(void *para
 	struct uart_8250_port	*p = param;
 	struct uart_8250_dma	*dma = p->dma;
 	struct circ_buf		*xmit = &p->port.state->xmit;
-
-	dma->tx_running = 0;
+	unsigned long	flags;
 
 	dma_sync_single_for_cpu(dma->txchan->device->dev, dma->tx_addr,
 				UART_XMIT_SIZE, DMA_TO_DEVICE);
 
+	spin_lock_irqsave(&p->port.lock, flags);
+
+	dma->tx_running = 0;
+
 	xmit->tail += dma->tx_size;
 	xmit->tail &= UART_XMIT_SIZE - 1;
 	p->port.icount.tx += dma->tx_size;

@@ -35,6 +38,8 @@ static void __dma_tx_complete(void *para
 
 	if (!uart_circ_empty(xmit) && !uart_tx_stopped(&p->port))
 		serial8250_tx_dma(p);
+
+	spin_unlock_irqrestore(&p->port.lock, flags);
 }
 
 static void __dma_rx_complete(void *param)

---
 drivers/tty/serial/8250/8250_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1520,7 +1520,7 @@ int serial8250_handle_irq(struct uart_po
 			status = serial8250_rx_chars(up, status);
 	}
 	serial8250_modem_status(up);
-	if (status & UART_LSR_THRE)
+	if (!up->dma && (status & UART_LSR_THRE))
 		serial8250_tx_chars(up);
 
 	spin_unlock_irqrestore(&port->lock, flags);

---
 drivers/net/wireless/iwlwifi/iwl-7000.c |    1 +
 1 file changed, 1 insertion(+)
@@ -223,3 +223,4 @@ const struct iwl_cfg iwl7265_n_cfg = {
 
 MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
 MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));

---
 drivers/net/wireless/iwlwifi/mvm/rs.c |    1 +
 1 file changed, 1 insertion(+)
@@ -2469,6 +2469,7 @@ static void rs_build_rates_table(struct
 	if (is_siso(&rate)) {
 		num_rates = RS_SECONDARY_SISO_NUM_RATES;
 		num_retries = RS_SECONDARY_SISO_RETRIES;
+		lq_cmd->mimo_delim = index;
 	} else if (is_legacy(&rate)) {
 		num_rates = RS_SECONDARY_LEGACY_NUM_RATES;
 		num_retries = RS_LEGACY_RETRIES_PER_RATE;

---
 drivers/net/wireless/iwlwifi/pcie/drv.c |    2 ++
 1 file changed, 2 insertions(+)
@@ -372,12 +372,14 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_ca
 	{IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)},
 	{IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)},
+	{IWL_PCI_DEVICE(0x095A, 0x5102, iwl7265_n_cfg)},
 	{IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x095A, 0x9200, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)},

---
 drivers/net/wireless/iwlwifi/mvm/rs.c |   30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)
@@ -142,7 +142,7 @@ enum rs_column_mode {
 	RS_MIMO2,
 };
 
-#define MAX_NEXT_COLUMNS 5
+#define MAX_NEXT_COLUMNS 7
 #define MAX_COLUMN_CHECKS 3
 
 typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm,

@@ -214,6 +214,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_B,
 			RS_COLUMN_MIMO2,
 			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_INVALID,
+			RS_COLUMN_INVALID,
 		},
 	},
 	[RS_COLUMN_LEGACY_ANT_B] = {

@@ -225,6 +227,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_B,
 			RS_COLUMN_MIMO2,
 			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_INVALID,
+			RS_COLUMN_INVALID,
 		},
 	},
 	[RS_COLUMN_SISO_ANT_A] = {

@@ -236,6 +240,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_A_SGI,
 			RS_COLUMN_SISO_ANT_B_SGI,
 			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_siso_allow,

@@ -250,6 +256,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_B_SGI,
 			RS_COLUMN_SISO_ANT_A_SGI,
 			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_siso_allow,

@@ -265,6 +273,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_A,
 			RS_COLUMN_SISO_ANT_B,
 			RS_COLUMN_MIMO2,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_siso_allow,

@@ -281,6 +291,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_B,
 			RS_COLUMN_SISO_ANT_A,
 			RS_COLUMN_MIMO2,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_siso_allow,

@@ -296,6 +308,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_A_SGI,
 			RS_COLUMN_SISO_ANT_B_SGI,
 			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_mimo_allow,

@@ -311,6 +325,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_SISO_ANT_A,
 			RS_COLUMN_SISO_ANT_B,
 			RS_COLUMN_MIMO2,
+			RS_COLUMN_LEGACY_ANT_A,
+			RS_COLUMN_LEGACY_ANT_B,
 		},
 		.checks = {
 			rs_mimo_allow,

@@ -2032,8 +2048,18 @@ lq_update:
 		 * stay with best antenna legacy modulation for a while
 		 * before next round of mode comparisons. */
 		tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
-		if (is_legacy(&tbl1->rate) && !sta->ht_cap.ht_supported) {
+		if (is_legacy(&tbl1->rate)) {
 			IWL_DEBUG_RATE(mvm, "LQ: STAY in legacy table\n");
+
+			if (tid != IWL_MAX_TID_COUNT) {
+				tid_data = &sta_priv->tid_data[tid];
+				if (tid_data->state != IWL_AGG_OFF) {
+					IWL_DEBUG_RATE(mvm,
+						       "Stop aggregation on tid %d\n",
+						       tid);
+					ieee80211_stop_tx_ba_session(sta, tid);
+				}
+			}
 			rs_set_stay_in_table(mvm, 1, lq_sta);
 		} else {
 		/* If we're in an HT mode, and all 3 mode switch actions

---
 drivers/net/wireless/iwlwifi/mvm/rs.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
@@ -212,8 +212,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_LEGACY_ANT_B,
 			RS_COLUMN_SISO_ANT_A,
 			RS_COLUMN_SISO_ANT_B,
-			RS_COLUMN_MIMO2,
-			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_INVALID,
+			RS_COLUMN_INVALID,
 			RS_COLUMN_INVALID,
 			RS_COLUMN_INVALID,
 		},

@@ -225,8 +225,8 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_LEGACY_ANT_A,
 			RS_COLUMN_SISO_ANT_A,
 			RS_COLUMN_SISO_ANT_B,
-			RS_COLUMN_MIMO2,
-			RS_COLUMN_MIMO2_SGI,
+			RS_COLUMN_INVALID,
+			RS_COLUMN_INVALID,
 			RS_COLUMN_INVALID,
 			RS_COLUMN_INVALID,
 		},

@@ -239,9 +239,9 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_MIMO2,
 			RS_COLUMN_SISO_ANT_A_SGI,
 			RS_COLUMN_SISO_ANT_B_SGI,
-			RS_COLUMN_MIMO2_SGI,
 			RS_COLUMN_LEGACY_ANT_A,
 			RS_COLUMN_LEGACY_ANT_B,
+			RS_COLUMN_INVALID,
 		},
 		.checks = {
 			rs_siso_allow,

@@ -255,9 +255,9 @@ static const struct rs_tx_column rs_tx_c
 			RS_COLUMN_MIMO2,
 			RS_COLUMN_SISO_ANT_B_SGI,
 			RS_COLUMN_SISO_ANT_A_SGI,
-			RS_COLUMN_MIMO2_SGI,
 			RS_COLUMN_LEGACY_ANT_A,
 			RS_COLUMN_LEGACY_ANT_B,
+			RS_COLUMN_INVALID,
 		},
 		.checks = {
 			rs_siso_allow,

---
 drivers/net/wireless/iwlwifi/mvm/rs.c |  135 +++++++++++++++-------------------
 drivers/net/wireless/iwlwifi/mvm/rs.h |    1 
 2 files changed, 64 insertions(+), 72 deletions(-)
@@ -1644,85 +1644,76 @@ static enum rs_action rs_get_rate_action
 {
 	enum rs_action action = RS_ACTION_STAY;
 
-	/* Too many failures, decrease rate */
 	if ((sr <= RS_SR_FORCE_DECREASE) || (current_tpt == 0)) {
 		IWL_DEBUG_RATE(mvm,
-			       "decrease rate because of low SR\n");
-		action = RS_ACTION_DOWNSCALE;
-	/* No throughput measured yet for adjacent rates; try increase. */
-	} else if ((low_tpt == IWL_INVALID_VALUE) &&
-		   (high_tpt == IWL_INVALID_VALUE)) {
-		if (high != IWL_RATE_INVALID && sr >= IWL_RATE_INCREASE_TH) {
-			IWL_DEBUG_RATE(mvm,
-				       "Good SR and no high rate measurement. "
-				       "Increase rate\n");
-			action = RS_ACTION_UPSCALE;
-		} else if (low != IWL_RATE_INVALID) {
-			IWL_DEBUG_RATE(mvm,
-				       "Remain in current rate\n");
-			action = RS_ACTION_STAY;
-		}
+			       "Decrease rate because of low SR\n");
+		return RS_ACTION_DOWNSCALE;
 	}
 
-	/* Both adjacent throughputs are measured, but neither one has better
-	 * throughput; we're using the best rate, don't change it!
-	 */
-	else if ((low_tpt != IWL_INVALID_VALUE) &&
-		 (high_tpt != IWL_INVALID_VALUE) &&
-		 (low_tpt < current_tpt) &&
-		 (high_tpt < current_tpt)) {
-		IWL_DEBUG_RATE(mvm,
-			       "Both high and low are worse. "
-			       "Maintain rate\n");
-		action = RS_ACTION_STAY;
-	}
-
-	/* At least one adjacent rate's throughput is measured,
-	 * and may have better performance.
-	 */
-	else {
-		/* Higher adjacent rate's throughput is measured */
-		if (high_tpt != IWL_INVALID_VALUE) {
-			/* Higher rate has better throughput */
-			if (high_tpt > current_tpt &&
-			    sr >= IWL_RATE_INCREASE_TH) {
-				IWL_DEBUG_RATE(mvm,
-					       "Higher rate is better and good "
-					       "SR. Increate rate\n");
-				action = RS_ACTION_UPSCALE;
-			} else {
-				IWL_DEBUG_RATE(mvm,
-					       "Higher rate isn't better OR "
-					       "no good SR. Maintain rate\n");
-				action = RS_ACTION_STAY;
-			}
-
-		/* Lower adjacent rate's throughput is measured */
-		} else if (low_tpt != IWL_INVALID_VALUE) {
-			/* Lower rate has better throughput */
-			if (low_tpt > current_tpt) {
-				IWL_DEBUG_RATE(mvm,
-					       "Lower rate is better. "
-					       "Decrease rate\n");
-				action = RS_ACTION_DOWNSCALE;
-			} else if (sr >= IWL_RATE_INCREASE_TH) {
-				IWL_DEBUG_RATE(mvm,
-					       "Lower rate isn't better and "
-					       "good SR. Increase rate\n");
-				action = RS_ACTION_UPSCALE;
-			}
-		}
+	if ((low_tpt == IWL_INVALID_VALUE) &&
+	    (high_tpt == IWL_INVALID_VALUE) &&
+	    (high != IWL_RATE_INVALID)) {
+		IWL_DEBUG_RATE(mvm,
+			       "No data about high/low rates. Increase rate\n");
+		return RS_ACTION_UPSCALE;
 	}
 
-	/* Sanity check; asked for decrease, but success rate or throughput
-	 * has been good at old rate.  Don't change it.
-	 */
-	if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID) &&
-	    ((sr > IWL_RATE_HIGH_TH) ||
-	     (current_tpt > (100 * tbl->expected_tpt[low])))) {
+	if ((high_tpt == IWL_INVALID_VALUE) &&
+	    (high != IWL_RATE_INVALID) &&
+	    (low_tpt != IWL_INVALID_VALUE) &&
+	    (low_tpt < current_tpt)) {
 		IWL_DEBUG_RATE(mvm,
-			       "Sanity check failed. Maintain rate\n");
-		action = RS_ACTION_STAY;
+			       "No data about high rate and low rate is worse. Increase rate\n");
+		return RS_ACTION_UPSCALE;
+	}
+
+	if ((high_tpt != IWL_INVALID_VALUE) &&
+	    (high_tpt > current_tpt)) {
+		IWL_DEBUG_RATE(mvm,
+			       "Higher rate is better. Increate rate\n");
+		return RS_ACTION_UPSCALE;
+	}
+
+	if ((low_tpt != IWL_INVALID_VALUE) &&
+	    (high_tpt != IWL_INVALID_VALUE) &&
+	    (low_tpt < current_tpt) &&
+	    (high_tpt < current_tpt)) {
+		IWL_DEBUG_RATE(mvm,
+			       "Both high and low are worse. Maintain rate\n");
+		return RS_ACTION_STAY;
+	}
+
+	if ((low_tpt != IWL_INVALID_VALUE) &&
+	    (low_tpt > current_tpt)) {
+		IWL_DEBUG_RATE(mvm,
+			       "Lower rate is better\n");
+		action = RS_ACTION_DOWNSCALE;
+		goto out;
+	}
+
+	if ((low_tpt == IWL_INVALID_VALUE) &&
+	    (low != IWL_RATE_INVALID)) {
+		IWL_DEBUG_RATE(mvm,
+			       "No data about lower rate\n");
+		action = RS_ACTION_DOWNSCALE;
+		goto out;
+	}
+
+	IWL_DEBUG_RATE(mvm, "Maintain rate\n");
+
+out:
+	if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID)) {
+		if (sr >= RS_SR_NO_DECREASE) {
+			IWL_DEBUG_RATE(mvm,
+				       "SR is above NO DECREASE. Avoid downscale\n");
+			action = RS_ACTION_STAY;
+		} else if (current_tpt > (100 * tbl->expected_tpt[low])) {
+			IWL_DEBUG_RATE(mvm,
+				       "Current TPT is higher than max expected in low rate. Avoid downscale\n");
+			action = RS_ACTION_STAY;
+		} else {
+			IWL_DEBUG_RATE(mvm, "Decrease rate\n");
+		}
 	}
 
 	return action;

@@ -156,6 +156,7 @@ enum {
 #define IWL_RATE_HIGH_TH		10880	/*  85% */
 #define IWL_RATE_INCREASE_TH		6400	/*  50% */
 #define RS_SR_FORCE_DECREASE		1920	/*  15% */
+#define RS_SR_NO_DECREASE		10880	/*  85% */
 
 #define LINK_QUAL_AGG_TIME_LIMIT_DEF	(4000) /* 4 milliseconds */
 #define LINK_QUAL_AGG_TIME_LIMIT_MAX	(8000)

---
 drivers/net/wireless/iwlwifi/mvm/rs.c |   22 +++++++++++++++++++++-
 drivers/net/wireless/iwlwifi/mvm/rs.h |    1 +
 2 files changed, 22 insertions(+), 1 deletion(-)
@@ -59,7 +59,7 @@
 /* max allowed rate miss before sync LQ cmd */
 #define IWL_MISSED_RATE_MAX		15
 #define RS_STAY_IN_COLUMN_TIMEOUT       (5*HZ)
-
+#define RS_IDLE_TIMEOUT                 (5*HZ)
 
 static u8 rs_ht_to_legacy[] = {
 	[IWL_RATE_MCS_0_INDEX] = IWL_RATE_6M_INDEX,

@@ -991,6 +991,13 @@ static void rs_tx_status(void *mvm_r, st
 		return;
 	}
 
+#ifdef CPTCFG_MAC80211_DEBUGFS
+	/* Disable last tx check if we are debugging with fixed rate */
+	if (lq_sta->dbg_fixed_rate) {
+		IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n");
+		return;
+	}
+#endif
 	if (!ieee80211_is_data(hdr->frame_control) ||
 	    info->flags & IEEE80211_TX_CTL_NO_ACK)
 		return;

@@ -1033,6 +1040,18 @@ static void rs_tx_status(void *mvm_r, st
 			mac_index++;
 	}
 
+	if (time_after(jiffies,
+		       (unsigned long)(lq_sta->last_tx + RS_IDLE_TIMEOUT))) {
+		int tid;
+		IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n");
+		for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
+			ieee80211_stop_tx_ba_session(sta, tid);
+
+		iwl_mvm_rs_rate_init(mvm, sta, sband->band, false);
+		return;
+	}
+	lq_sta->last_tx = jiffies;
+
 	/* Here we actually compare this rate to the latest LQ command */
 	if ((mac_index < 0) ||
 	    (rate.sgi != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||

@@ -2286,6 +2305,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm
 			rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
 
 	lq_sta->flush_timer = 0;
+	lq_sta->last_tx = jiffies;
 
 	IWL_DEBUG_RATE(mvm,
 		       "LQ: *** rate scale station global init for station %d ***\n",

@@ -311,6 +311,7 @@ struct iwl_lq_sta {
 	u32 visited_columns;    /* Bitmask marking which Tx columns were
 				 * explored during a search cycle
 				 */
+	u64 last_tx;
 	bool is_vht;
 	enum ieee80211_band band;
 

---
 drivers/net/wireless/iwlwifi/iwl-7000.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -67,8 +67,8 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX	8
-#define IWL3160_UCODE_API_MAX	8
+#define IWL7260_UCODE_API_MAX	9
+#define IWL3160_UCODE_API_MAX	9
 
 /* Oldest version we won't warn about */
 #define IWL7260_UCODE_API_OK	7

---
 drivers/gpu/host1x/hw/intr_hw.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -47,7 +47,7 @@ static irqreturn_t syncpt_thresh_isr(int
 	unsigned long reg;
 	int i, id;
 
-	for (i = 0; i <= BIT_WORD(host->info->nb_pts); i++) {
+	for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); i++) {
 		reg = host1x_sync_readl(host,
 			HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(i));
 		for_each_set_bit(id, &reg, BITS_PER_LONG) {

@@ -64,7 +64,7 @@ static void _host1x_intr_disable_all_syn
 {
 	u32 i;
 
-	for (i = 0; i <= BIT_WORD(host->info->nb_pts); ++i) {
+	for (i = 0; i < DIV_ROUND_UP(host->info->nb_pts, 32); ++i) {
 		host1x_sync_writel(host, 0xffffffffu,
 			HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(i));
 		host1x_sync_writel(host, 0xffffffffu,

---
 kernel/timer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -822,7 +822,7 @@ unsigned long apply_slack(struct timer_l
 
 	bit = find_last_bit(&mask, BITS_PER_LONG);
 
-	mask = (1 << bit) - 1;
+	mask = (1UL << bit) - 1;
 
 	expires_limit = expires_limit & ~(mask);
 

---
 drivers/char/ipmi/ipmi_si_intf.c |   46 +++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 18 deletions(-)
@@ -249,6 +249,9 @@ struct smi_info {
 	/* The timer for this si. */
 	struct timer_list   si_timer;
 
+	/* This flag is set, if the timer is running (timer_pending() isn't enough) */
+	bool		    timer_running;
+
 	/* The time (in jiffies) the last timeout occurred at. */
 	unsigned long       last_timeout_jiffies;
 

@@ -435,6 +438,13 @@ static void start_clear_flags(struct smi
 	smi_info->si_state = SI_CLEARING_FLAGS;
 }
 
+static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val)
+{
+	smi_info->last_timeout_jiffies = jiffies;
+	mod_timer(&smi_info->si_timer, new_val);
+	smi_info->timer_running = true;
+}
+
 /*
  * When we have a situtaion where we run out of memory and cannot
  * allocate messages, we just leave them in the BMC and run the system

@@ -447,8 +457,7 @@ static inline void disable_si_irq(struct
 		start_disable_irq(smi_info);
 		smi_info->interrupt_disabled = 1;
 		if (!atomic_read(&smi_info->stop_operation))
-			mod_timer(&smi_info->si_timer,
-				  jiffies + SI_TIMEOUT_JIFFIES);
+			smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
 	}
 }
 

@@ -908,15 +917,7 @@ static void sender(void                *
 		list_add_tail(&msg->link, &smi_info->xmit_msgs);
 
 	if (smi_info->si_state == SI_NORMAL && smi_info->curr_msg == NULL) {
-		/*
-		 * last_timeout_jiffies is updated here to avoid
-		 * smi_timeout() handler passing very large time_diff
-		 * value to smi_event_handler() that causes
-		 * the send command to abort.
-		 */
-		smi_info->last_timeout_jiffies = jiffies;
-
-		mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+		smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
 
 		if (smi_info->thread)
 			wake_up_process(smi_info->thread);

@@ -1005,6 +1006,17 @@ static int ipmi_thread(void *data)
 
 		spin_lock_irqsave(&(smi_info->si_lock), flags);
 		smi_result = smi_event_handler(smi_info, 0);
+
+		/*
+		 * If the driver is doing something, there is a possible
+		 * race with the timer.  If the timer handler see idle,
+		 * and the thread here sees something else, the timer
+		 * handler won't restart the timer even though it is
+		 * required.  So start it here if necessary.
+		 */
+		if (smi_result != SI_SM_IDLE && !smi_info->timer_running)
+			smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES);
+
 		spin_unlock_irqrestore(&(smi_info->si_lock), flags);
 		busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
 						  &busy_until);

@@ -1074,10 +1086,6 @@ static void smi_timeout(unsigned long da
 		     * SI_USEC_PER_JIFFY);
 	smi_result = smi_event_handler(smi_info, time_diff);
 
-	spin_unlock_irqrestore(&(smi_info->si_lock), flags);
-
-	smi_info->last_timeout_jiffies = jiffies_now;
-
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		/* Running with interrupts, only do long timeouts. */
 		timeout = jiffies + SI_TIMEOUT_JIFFIES;

@@ -1099,7 +1107,10 @@ static void smi_timeout(unsigned long da
 
  do_mod_timer:
 	if (smi_result != SI_SM_IDLE)
-		mod_timer(&(smi_info->si_timer), timeout);
+		smi_mod_timer(smi_info, timeout);
+	else
+		smi_info->timer_running = false;
+	spin_unlock_irqrestore(&(smi_info->si_lock), flags);
 }
 
 static irqreturn_t si_irq_handler(int irq, void *data)

@@ -1147,8 +1158,7 @@ static int smi_start_processing(void
 
 	/* Set up the timer that drives the interface. */
 	setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi);
-	new_smi->last_timeout_jiffies = jiffies;
-	mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+	smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES);
 
 	/*
 	 * Check if the user forcefully enabled the daemon.

---
 drivers/char/ipmi/ipmi_kcs_sm.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
@@ -251,8 +251,9 @@ static inline int check_obf(struct si_sm
 	if (!GET_STATUS_OBF(status)) {
 		kcs->obf_timeout -= time;
 		if (kcs->obf_timeout < 0) {
-		    start_error_recovery(kcs, "OBF not ready in time");
-		    return 1;
+			kcs->obf_timeout = OBF_RETRY_TIMEOUT;
+			start_error_recovery(kcs, "OBF not ready in time");
+			return 1;
 		}
 		return 0;
 	}

---
 net/wireless/reg.c |   19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)
@@ -1683,17 +1683,9 @@ static void reg_process_hint(struct regu
 	struct wiphy *wiphy = NULL;
 	enum reg_request_treatment treatment;
 
-	if (WARN_ON(!reg_request->alpha2))
-		return;
-
 	if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
 		wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);
 
-	if (reg_request->initiator == NL80211_REGDOM_SET_BY_DRIVER && !wiphy) {
-		kfree(reg_request);
-		return;
-	}
-
 	switch (reg_request->initiator) {
 	case NL80211_REGDOM_SET_BY_CORE:
 		reg_process_hint_core(reg_request);

@@ -1706,20 +1698,29 @@ static void reg_process_hint(struct regu
 		schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
 		return;
 	case NL80211_REGDOM_SET_BY_DRIVER:
+		if (!wiphy)
+			goto out_free;
 		treatment = reg_process_hint_driver(wiphy, reg_request);
 		break;
 	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+		if (!wiphy)
+			goto out_free;
 		treatment = reg_process_hint_country_ie(wiphy, reg_request);
 		break;
 	default:
 		WARN(1, "invalid initiator %d\n", reg_request->initiator);
-		return;
+		goto out_free;
 	}
 
 	/* This is required so that the orig_* parameters are saved */
 	if (treatment == REG_REQ_ALREADY_SET && wiphy &&
 	    wiphy->regulatory_flags & REGULATORY_STRICT_REG)
 		wiphy_update_regulatory(wiphy, reg_request->initiator);
+
+	return;
+
+out_free:
+	kfree(reg_request);
 }
 
 /*

---
 net/wireless/sme.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -235,7 +235,6 @@ void cfg80211_conn_work(struct work_stru
 					NULL, 0, NULL, 0,
 					WLAN_STATUS_UNSPECIFIED_FAILURE,
 					false, NULL);
-			cfg80211_sme_free(wdev);
 		}
 		wdev_unlock(wdev);
 	}

@@ -649,6 +648,7 @@ void __cfg80211_connect_result(struct ne
 			cfg80211_unhold_bss(bss_from_pub(bss));
 			cfg80211_put_bss(wdev->wiphy, bss);
 		}
+		cfg80211_sme_free(wdev);
 		return;
 	}
 

---
 include/net/cfg80211.h |   12 ++++++++++++
 net/wireless/scan.c    |   12 ++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)
@@ -3637,6 +3637,18 @@ void cfg80211_sched_scan_results(struct
 void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
 
 /**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason.  The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+
+/**
  * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
  *
  * @wiphy: the wiphy reporting the BSS

@@ -284,14 +284,22 @@ void cfg80211_sched_scan_results(struct
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_results);
 
-void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy)
 {
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
 
+	ASSERT_RTNL();
+
 	trace_cfg80211_sched_scan_stopped(wiphy);
 
-	rtnl_lock();
 	__cfg80211_stop_sched_scan(rdev, true);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl);
+
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+	rtnl_lock();
+	cfg80211_sched_scan_stopped_rtnl(wiphy);
 	rtnl_unlock();
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_stopped);

---
 net/mac80211/util.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1754,7 +1754,7 @@ int ieee80211_reconfig(struct ieee80211_
 	mutex_unlock(&local->mtx);
 
 	if (sched_scan_stopped)
-		cfg80211_sched_scan_stopped(local->hw.wiphy);
+		cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
 
 	/*
 	 * If this is for hw restart things are still running.

---
 net/mac80211/mlme.c |   20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)
@@ -3511,18 +3511,24 @@ void ieee80211_mgd_quiesce(struct ieee80
 
 	sdata_lock(sdata);
 
-	if (ifmgd->auth_data) {
+	if (ifmgd->auth_data || ifmgd->assoc_data) {
+		const u8 *bssid = ifmgd->auth_data ?
+				ifmgd->auth_data->bss->bssid :
+				ifmgd->assoc_data->bss->bssid;
+
 		/*
-		 * If we are trying to authenticate while suspending, cfg80211
-		 * won't know and won't actually abort those attempts, thus we
-		 * need to do that ourselves.
+		 * If we are trying to authenticate / associate while suspending,
+		 * cfg80211 won't know and won't actually abort those attempts,
+		 * thus we need to do that ourselves.
 		 */
-		ieee80211_send_deauth_disassoc(sdata,
-					       ifmgd->auth_data->bss->bssid,
+		ieee80211_send_deauth_disassoc(sdata, bssid,
 					       IEEE80211_STYPE_DEAUTH,
 					       WLAN_REASON_DEAUTH_LEAVING,
 					       false, frame_buf);
-		ieee80211_destroy_auth_data(sdata, false);
+		if (ifmgd->assoc_data)
+			ieee80211_destroy_assoc_data(sdata, false);
+		if (ifmgd->auth_data)
+			ieee80211_destroy_auth_data(sdata, false);
 		cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
 				      IEEE80211_DEAUTH_FRAME_LEN);
 	}

---
 net/mac80211/ieee80211_i.h |    1 +
 net/mac80211/offchannel.c  |   27 ++++++++++++++++++++-------
 2 files changed, 21 insertions(+), 7 deletions(-)
@@ -317,6 +317,7 @@ struct ieee80211_roc_work {
 
 	bool started, abort, hw_begun, notified;
 	bool to_be_freed;
+	bool on_channel;
 
 	unsigned long hw_start_time;
 

@@ -333,7 +333,7 @@ void ieee80211_sw_roc_work(struct work_s
 		container_of(work, struct ieee80211_roc_work, work.work);
 	struct ieee80211_sub_if_data *sdata = roc->sdata;
 	struct ieee80211_local *local = sdata->local;
-	bool started;
+	bool started, on_channel;
 
 	mutex_lock(&local->mtx);
 

@@ -354,14 +354,26 @@ void ieee80211_sw_roc_work(struct work_s
 	if (!roc->started) {
 		struct ieee80211_roc_work *dep;
 
-		/* start this ROC */
-		ieee80211_offchannel_stop_vifs(local);
+		WARN_ON(local->use_chanctx);
+
+		/* If actually operating on the desired channel (with at least
+		 * 20 MHz channel width) don't stop all the operations but still
+		 * treat it as though the ROC operation started properly, so
+		 * other ROC operations won't interfere with this one.
+		 */
+		roc->on_channel = roc->chan == local->_oper_chandef.chan &&
+				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_5 &&
+				  local->_oper_chandef.width != NL80211_CHAN_WIDTH_10;
 
-		/* switch channel etc */
+		/* start this ROC */
 		ieee80211_recalc_idle(local);
 
-		local->tmp_channel = roc->chan;
-		ieee80211_hw_config(local, 0);
+		if (!roc->on_channel) {
+			ieee80211_offchannel_stop_vifs(local);
+
+			local->tmp_channel = roc->chan;
+			ieee80211_hw_config(local, 0);
+		}
 
 		/* tell userspace or send frame */
 		ieee80211_handle_roc_started(roc);

@@ -380,9 +392,10 @@ void ieee80211_sw_roc_work(struct work_s
  finish:
 		list_del(&roc->list);
 		started = roc->started;
+		on_channel = roc->on_channel;
 		ieee80211_roc_notify_destroy(roc, !roc->abort);
 
-		if (started) {
+		if (started && !on_channel) {
 			ieee80211_flush_queues(local, NULL);
 
 			local->tmp_channel = NULL;

---
 mm/mremap.c |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
@@ -194,10 +194,17 @@ unsigned long move_page_tables(struct vm
 			break;
 		if (pmd_trans_huge(*old_pmd)) {
 			int err = 0;
-			if (extent == HPAGE_PMD_SIZE)
+			if (extent == HPAGE_PMD_SIZE) {
+				VM_BUG_ON(vma->vm_file || !vma->anon_vma);
+				/* See comment in move_ptes() */
+				if (need_rmap_locks)
+					anon_vma_lock_write(vma->anon_vma);
 				err = move_huge_pmd(vma, new_vma, old_addr,
 						    new_addr, old_end,
 						    old_pmd, new_pmd);
+				if (need_rmap_locks)
+					anon_vma_unlock_write(vma->anon_vma);
+			}
 			if (err > 0) {
 				need_flush = true;
 				continue;

---
 drivers/rtc/rtc-hym8563.c |    3 +++
 1 file changed, 3 insertions(+)
@@ -569,6 +569,9 @@ static int hym8563_probe(struct i2c_clie
 	if (IS_ERR(hym8563->rtc))
 		return PTR_ERR(hym8563->rtc);
 
+	/* the hym8563 alarm only supports a minute accuracy */
+	hym8563->rtc->uie_unsupported = 1;
+
 #ifdef CONFIG_COMMON_CLK
 	hym8563_clkout_register_clk(hym8563);
 #endif

---
 arch/x86/include/asm/hugetlb.h |    1 +
 1 file changed, 1 insertion(+)
@@ -52,6 +52,7 @@ static inline pte_t huge_ptep_get_and_cl
 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
 					 unsigned long addr, pte_t *ptep)
 {
+	ptep_clear_flush(vma, addr, ptep);
 }
 
 static inline int huge_pte_none(pte_t pte)

  BUG: failure at include/linux/mm.h:297/put_page_testzero()!
  Kernel panic - not syncing: BUG!
  CPU: 2 PID: 4228 Comm: qemu-system-aar Tainted: GF            3.13.0-0.rc7.31.sa2.k32v1.aarch64.debug #1
  Call trace:
  [<fffffe0000096034>] dump_backtrace+0x0/0x16c
  [<fffffe00000961b4>] show_stack+0x14/0x1c
  [<fffffe000066e648>] dump_stack+0x84/0xb0
  [<fffffe0000668678>] panic+0xf4/0x220
  [<fffffe000018ec78>] free_reserved_area+0x0/0x110
  [<fffffe000018edd8>] free_pages+0x50/0x88
  [<fffffe00000a759c>] kvm_free_stage2_pgd+0x30/0x40
  [<fffffe00000a5354>] kvm_arch_destroy_vm+0x18/0x44
  [<fffffe00000a1854>] kvm_put_kvm+0xf0/0x184
  [<fffffe00000a1938>] kvm_vm_release+0x10/0x1c
  [<fffffe00001edc1c>] __fput+0xb0/0x288
  [<fffffe00001ede4c>] ____fput+0xc/0x14
  [<fffffe00000d5a2c>] task_work_run+0xa8/0x11c
  [<fffffe0000095c14>] do_notify_resume+0x54/0x58
---
 arch/arm64/mm/hugetlbpage.c |    4 ++++
 1 file changed, 4 insertions(+)
@@ -51,7 +51,11 @@ int pmd_huge(pmd_t pmd)
 
 int pud_huge(pud_t pud)
 {
+#ifndef __PAGETABLE_PMD_FOLDED
 	return !(pud_val(pud) & PUD_TABLE_BIT);
+#else
+	return 0;
+#endif
 }
 
 int pmd_huge_support(void)

---
 mm/memory-failure.c |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)
@@ -1085,15 +1085,16 @@ int memory_failure(unsigned long pfn, in
 			return 0;
 		} else if (PageHuge(hpage)) {
 			/*
-			 * Check "just unpoisoned", "filter hit", and
-			 * "race with other subpage."
+			 * Check "filter hit" and "race with other subpage."
 			 */
 			lock_page(hpage);
-			if (!PageHWPoison(hpage)
-			    || (hwpoison_filter(p) && TestClearPageHWPoison(p))
-			    || (p != hpage && TestSetPageHWPoison(hpage))) {
-				atomic_long_sub(nr_pages, &num_poisoned_pages);
-				return 0;
+			if (PageHWPoison(hpage)) {
+				if ((hwpoison_filter(p) && TestClearPageHWPoison(p))
+				    || (p != hpage && TestSetPageHWPoison(hpage))) {
+					atomic_long_sub(nr_pages, &num_poisoned_pages);
+					unlock_page(hpage);
+					return 0;
+				}
 			}
 			set_page_hwpoison_huge_page(hpage);
 			res = dequeue_hwpoisoned_huge_page(hpage);

---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c |    1 +
 drivers/net/wireless/iwlwifi/mvm/sf.c       |    3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)
@@ -971,6 +971,7 @@ static void iwl_mvm_bss_info_changed_sta
 		 */
 		iwl_mvm_remove_time_event(mvm, mvmvif,
 					  &mvmvif->time_event_data);
+		iwl_mvm_sf_update(mvm, vif, false);
 	} else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS |
 			      BSS_CHANGED_QOS)) {
 		ret = iwl_mvm_power_update_mode(mvm, vif);

@@ -274,7 +274,8 @@ int iwl_mvm_sf_update(struct iwl_mvm *mv
 				return -EINVAL;
 			if (changed_vif->type != NL80211_IFTYPE_STATION) {
 				new_state = SF_UNINIT;
-			} else if (changed_vif->bss_conf.assoc) {
+			} else if (changed_vif->bss_conf.assoc &&
+				   changed_vif->bss_conf.dtim_period) {
 				mvmvif = iwl_mvm_vif_from_mac80211(changed_vif);
 				sta_id = mvmvif->ap_sta_id;
 				new_state = SF_FULL_ON;

---
 fs/aio.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
@@ -1299,10 +1299,8 @@ rw_common:
 						&iovec, compat)
 			: aio_setup_single_vector(req, rw, buf, &nr_segs,
 						  iovec);
-		if (ret)
-			return ret;
-
-		ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes);
+		if (!ret)
+			ret = rw_verify_area(rw, file, &req->ki_pos, req->ki_nbytes);
 		if (ret < 0) {
 			if (iovec != &inline_vec)
 				kfree(iovec);

---
 kernel/module.c |    3 ---
 1 file changed, 3 deletions(-)
@@ -815,9 +815,6 @@ SYSCALL_DEFINE2(delete_module, const cha
 		return -EFAULT;
 	name[MODULE_NAME_LEN-1] = '\0';
 
-	if (!(flags & O_NONBLOCK))
-		pr_warn("waiting module removal not supported: please upgrade\n");
-
 	if (mutex_lock_interruptible(&module_mutex) != 0)
 		return -EINTR;
 

---
 drivers/hwmon/coretemp.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -369,12 +369,12 @@ static int get_tjmax(struct cpuinfo_x86
 		if (cpu_has_tjmax(c))
 			dev_warn(dev, "Unable to read TjMax from CPU %u\n", id);
 	} else {
-		val = (eax >> 16) & 0x7f;
+		val = (eax >> 16) & 0xff;
 		/*
 		 * If the TjMax is not plausible, an assumption
 		 * will be used
 		 */
-		if (val >= 85) {
+		if (val) {
 			dev_dbg(dev, "TjMax is %d degrees C\n", val);
 			return val * 1000;
 		}

---
 drivers/hwmon/emc1403.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -163,7 +163,7 @@ static ssize_t store_hyst(struct device
 	if (retval < 0)
 		goto fail;
 
-	hyst = val - retval * 1000;
+	hyst = retval * 1000 - val;
 	hyst = DIV_ROUND_CLOSEST(hyst, 1000);
 	if (hyst < 0 || hyst > 255) {
 		retval = -ERANGE;

---
 drivers/hwmon/emc1403.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
@@ -355,9 +355,9 @@ static int emc1403_probe(struct i2c_clie
 	if (id->driver_data)
 		data->groups[1] = &emc1404_group;
 
-	hwmon_dev = hwmon_device_register_with_groups(&client->dev,
-						      client->name, data,
-						      data->groups);
+	hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
+							   client->name, data,
+							   data->groups);
 	if (IS_ERR(hwmon_dev))
 		return PTR_ERR(hwmon_dev);
 

---
 drivers/hwmon/emc1403.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -330,7 +330,7 @@ static int emc1403_detect(struct i2c_cli
 	}
 
 	id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG);
-	if (id != 0x01)
+	if (id < 0x01 || id > 0x04)
 		return -ENODEV;
 
 	return 0;

[   12.615118] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: ENTER
[   12.719969] davinci_evm sound.3: davinci_evm_probe: ENTER
[   12.725753] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card
[   12.753846] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component
[   12.922051] davinci-mcasp 4803c000.mcasp: davinci_mcasp_probe: snd_soc_register_component DONE
[   12.950839] davinci_evm sound.3: ASoC: platform (null) not registered
[   12.957898] davinci_evm sound.3: davinci_evm_probe: snd_soc_register_card DONE (-517)
[   13.099026] davinci-mcasp 4803c000.mcasp: Kicking the deferred list
[   13.177838] davinci-mcasp 4803c000.mcasp: really_probe: probe_count = 2
[   13.194130] davinci_evm sound.3: snd_soc_register_card failed (-517)
[   13.346755] davinci_mcasp_driver_init: LEAVE
[   13.377446] platform sound.3: Driver davinci_evm requests probe deferral
[   13.592527] platform sound.3: really_probe: probe_count = 0
---
 drivers/base/dd.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
@@ -52,6 +52,7 @@ static DEFINE_MUTEX(deferred_probe_mutex
 static LIST_HEAD(deferred_probe_pending_list);
 static LIST_HEAD(deferred_probe_active_list);
 static struct workqueue_struct *deferred_wq;
+static atomic_t deferred_trigger_count = ATOMIC_INIT(0);
 
 /**
  * deferred_probe_work_func() - Retry probing devices in the active list.

@@ -135,6 +136,17 @@ static bool driver_deferred_probe_enable
  * This functions moves all devices from the pending list to the active
  * list and schedules the deferred probe workqueue to process them.  It
  * should be called anytime a driver is successfully bound to a device.
+ *
+ * Note, there is a race condition in multi-threaded probe. In the case where
+ * more than one device is probing at the same time, it is possible for one
+ * probe to complete successfully while another is about to defer. If the second
+ * depends on the first, then it will get put on the pending list after the
+ * trigger event has already occured and will be stuck there.
+ *
+ * The atomic 'deferred_trigger_count' is used to determine if a successful
+ * trigger has occurred in the midst of probing a driver. If the trigger count
+ * changes in the midst of a probe, then deferred processing should be triggered
+ * again.
  */
 static void driver_deferred_probe_trigger(void)
 {

@@ -147,6 +159,7 @@ static void driver_deferred_probe_trigge
 	 * into the active list so they can be retried by the workqueue
 	 */
 	mutex_lock(&deferred_probe_mutex);
+	atomic_inc(&deferred_trigger_count);
 	list_splice_tail_init(&deferred_probe_pending_list,
 			      &deferred_probe_active_list);
 	mutex_unlock(&deferred_probe_mutex);

@@ -265,6 +278,7 @@ static DECLARE_WAIT_QUEUE_HEAD(probe_wai
 static int really_probe(struct device *dev, struct device_driver *drv)
 {
 	int ret = 0;
+	int local_trigger_count = atomic_read(&deferred_trigger_count);
 
 	atomic_inc(&probe_count);
 	pr_debug("bus: '%s': %s: probing driver %s with device %s\n",

@@ -310,6 +324,9 @@ probe_failed:
 		/* Driver requested deferred probing */
 		dev_info(dev, "Driver %s requests probe deferral\n", drv->name);
 		driver_deferred_probe_add(dev);
+		/* Did a trigger occur while probing? Need to re-trigger if yes */
+		if (local_trigger_count != atomic_read(&deferred_trigger_count))
+			driver_deferred_probe_trigger();
 	} else if (ret != -ENODEV && ret != -ENXIO) {
 		/* driver matched but the probe failed */
 		printk(KERN_WARNING

---
 kernel/hrtimer.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)
@@ -582,6 +582,23 @@ hrtimer_force_reprogram(struct hrtimer_c
 
 	cpu_base->expires_next.tv64 = expires_next.tv64;
 
+	/*
+	 * If a hang was detected in the last timer interrupt then we
+	 * leave the hang delay active in the hardware. We want the
+	 * system to make progress. That also prevents the following
+	 * scenario:
+	 * T1 expires 50ms from now
+	 * T2 expires 5s from now
+	 *
+	 * T1 is removed, so this code is called and would reprogram
+	 * the hardware to 5s from now. Any hrtimer_start after that
+	 * will not reprogram the hardware due to hang_detected being
+	 * set. So we'd effectivly block all timers until the T2 event
+	 * fires.
+	 */
+	if (cpu_base->hang_detected)
+		return;
+
 	if (cpu_base->expires_next.tv64 != KTIME_MAX)
 		tick_program_event(cpu_base->expires_next, 1);
 }

---
 kernel/hrtimer.c |    5 +++++
 1 file changed, 5 insertions(+)
@@ -247,6 +247,11 @@ again:
 			goto again;
 		}
 		timer->base = new_base;
+	} else {
+		if (cpu != this_cpu && hrtimer_check_target(timer, new_base)) {
+			cpu = this_cpu;
+			goto again;
+		}
 	}
 	return new_base;
 }

---
 kernel/hrtimer.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
@@ -1003,11 +1003,8 @@ int __hrtimer_start_range_ns(struct hrti
 	/* Remove an active timer from the queue: */
 	ret = remove_hrtimer(timer, base);
 
-	/* Switch the timer base, if necessary: */
-	new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
-
 	if (mode & HRTIMER_MODE_REL) {
-		tim = ktime_add_safe(tim, new_base->get_time());
+		tim = ktime_add_safe(tim, base->get_time());
 		/*
 		 * CONFIG_TIME_LOW_RES is a temporary way for architectures
 		 * to signal that they simply return xtime in

@@ -1022,6 +1019,9 @@ int __hrtimer_start_range_ns(struct hrti
 
 	hrtimer_set_expires_range_ns(timer, tim, delta_ns);
 
+	/* Switch the timer base, if necessary: */
+	new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
+
 	timer_stats_hrtimer_set_start_info(timer);
 
 	leftmost = enqueue_hrtimer(timer, new_base);

---
 drivers/md/dm-verity.c |   15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)
@@ -330,15 +330,17 @@ test_block_hash:
 				return r;
 			}
 		}
-
 		todo = 1 << v->data_dev_block_bits;
-		while (io->iter.bi_size) {
+		do {
 			u8 *page;
+			unsigned len;
 			struct bio_vec bv = bio_iter_iovec(bio, io->iter);
 
 			page = kmap_atomic(bv.bv_page);
-			r = crypto_shash_update(desc, page + bv.bv_offset,
-						bv.bv_len);
+			len = bv.bv_len;
+			if (likely(len >= todo))
+				len = todo;
+			r = crypto_shash_update(desc, page + bv.bv_offset, len);
 			kunmap_atomic(page);
 
 			if (r < 0) {

@@ -346,8 +348,9 @@ test_block_hash:
 				return r;
 			}
 
-			bio_advance_iter(bio, &io->iter, bv.bv_len);
-		}
+			bio_advance_iter(bio, &io->iter, len);
+			todo -= len;
+		} while (todo);
 
 		if (!v->version) {
 			r = crypto_shash_update(desc, v->salt, v->salt_size);

---
 drivers/md/dm-cache-target.c |    1 +
 1 file changed, 1 insertion(+)
@@ -2506,6 +2506,7 @@ static int cache_map(struct dm_target *t
 
 		} else {
 			inc_hit_counter(cache, bio);
+			pb->all_io_entry = dm_deferred_entry_inc(cache->all_io_ds);
 
 			if (bio_data_dir(bio) == WRITE && writethrough_mode(&cache->features) &&
 			    !is_dirty(cache, lookup_result.cblock))

---
 drivers/md/raid10.c |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
@@ -1172,6 +1172,13 @@ static void __make_request(struct mddev
 	int max_sectors;
 	int sectors;
 
+	/*
+	 * Register the new request and wait if the reconstruction
+	 * thread has put up a bar for new requests.
+	 * Continue immediately if no resync is active currently.
+	 */
+	wait_barrier(conf);
+
 	sectors = bio_sectors(bio);
 	while (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
 	    bio->bi_iter.bi_sector < conf->reshape_progress &&

@@ -1552,12 +1559,6 @@ static void make_request(struct mddev *m
 
 	md_write_start(mddev, bio);
 
-	/*
-	 * Register the new request and wait if the reconstruction
-	 * thread has put up a bar for new requests.
-	 * Continue immediately if no resync is active currently.
-	 */
-	wait_barrier(conf);
 
 	do {
 

---
 drivers/md/md.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -8530,7 +8530,8 @@ static int md_notify_reboot(struct notif
 		if (mddev_trylock(mddev)) {
 			if (mddev->pers)
 				__md_stop_writes(mddev);
-			mddev->safemode = 2;
+			if (mddev->persistent)
+				mddev->safemode = 2;
 			mddev_unlock(mddev);
 		}
 		need_delay = 1;

---
 drivers/pnp/pnpacpi/core.c |   44 ++++++++++++++++++++++++++------------------
 1 file changed, 26 insertions(+), 18 deletions(-)
@@ -83,8 +83,7 @@ static int pnpacpi_set_resources(struct
 {
 	struct acpi_device *acpi_dev;
 	acpi_handle handle;
-	struct acpi_buffer buffer;
-	int ret;
+	int ret = 0;
 
 	pnp_dbg(&dev->dev, "set resources\n");
 

@@ -97,19 +96,26 @@ static int pnpacpi_set_resources(struct
 	if (WARN_ON_ONCE(acpi_dev != dev->data))
 		dev->data = acpi_dev;
 
-	ret = pnpacpi_build_resource_template(dev, &buffer);
-	if (ret)
-		return ret;
-	ret = pnpacpi_encode_resources(dev, &buffer);
-	if (ret) {
+	if (acpi_has_method(handle, METHOD_NAME__SRS)) {
+		struct acpi_buffer buffer;
+
+		ret = pnpacpi_build_resource_template(dev, &buffer);
+		if (ret)
+			return ret;
+
+		ret = pnpacpi_encode_resources(dev, &buffer);
+		if (!ret) {
+			acpi_status status;
+
+			status = acpi_set_current_resources(handle, &buffer);
+			if (ACPI_FAILURE(status))
+				ret = -EIO;
+		}
 		kfree(buffer.pointer);
-		return ret;
 	}
-	if (ACPI_FAILURE(acpi_set_current_resources(handle, &buffer)))
-		ret = -EINVAL;
-	else if (acpi_bus_power_manageable(handle))
+	if (!ret && acpi_bus_power_manageable(handle))
 		ret = acpi_bus_set_power(handle, ACPI_STATE_D0);
-	kfree(buffer.pointer);
+
 	return ret;
 }
 

@@ -117,7 +123,7 @@ static int pnpacpi_disable_resources(str
 {
 	struct acpi_device *acpi_dev;
 	acpi_handle handle;
-	int ret;
+	acpi_status status;
 
 	dev_dbg(&dev->dev, "disable resources\n");
 

@@ -128,13 +134,15 @@ static int pnpacpi_disable_resources(str
 	}
 
 	/* acpi_unregister_gsi(pnp_irq(dev, 0)); */
-	ret = 0;
 	if (acpi_bus_power_manageable(handle))
 		acpi_bus_set_power(handle, ACPI_STATE_D3_COLD);
-		/* continue even if acpi_bus_set_power() fails */
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_DIS", NULL, NULL)))
-		ret = -ENODEV;
-	return ret;
+
+	/* continue even if acpi_bus_set_power() fails */
+	status = acpi_evaluate_object(handle, "_DIS", NULL, NULL);
+	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
+		return -ENODEV;
+
+	return 0;
 }
 
 #ifdef CONFIG_ACPI_SLEEP

---
 drivers/acpi/ec.c |   21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)
@@ -206,13 +206,13 @@ unlock:
 	spin_unlock_irqrestore(&ec->lock, flags);
 }
 
-static int acpi_ec_sync_query(struct acpi_ec *ec);
+static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data);
 
 static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
 {
 	if (state & ACPI_EC_FLAG_SCI) {
 		if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
-			return acpi_ec_sync_query(ec);
+			return acpi_ec_sync_query(ec, NULL);
 	}
 	return 0;
 }

@@ -443,10 +443,8 @@ acpi_handle ec_get_handle(void)
 
 EXPORT_SYMBOL(ec_get_handle);
 
-static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 *data);
-
 /*
- * Clears stale _Q events that might have accumulated in the EC.
+ * Process _Q events that might have accumulated in the EC.
  * Run with locked ec mutex.
  */
 static void acpi_ec_clear(struct acpi_ec *ec)

@@ -455,7 +453,7 @@ static void acpi_ec_clear(struct acpi_ec
 	u8 value = 0;
 
 	for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) {
-		status = acpi_ec_query_unlocked(ec, &value);
+		status = acpi_ec_sync_query(ec, &value);
 		if (status || !value)
 			break;
 	}

@@ -582,13 +580,18 @@ static void acpi_ec_run(void *cxt)
 	kfree(handler);
 }
 
-static int acpi_ec_sync_query(struct acpi_ec *ec)
+static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data)
 {
 	u8 value = 0;
 	int status;
 	struct acpi_ec_query_handler *handler, *copy;
-	if ((status = acpi_ec_query_unlocked(ec, &value)))
+
+	status = acpi_ec_query_unlocked(ec, &value);
+	if (data)
+		*data = value;
+	if (status)
 		return status;
+
 	list_for_each_entry(handler, &ec->list, node) {
 		if (value == handler->query_bit) {
 			/* have custom handler for this bit */

@@ -612,7 +615,7 @@ static void acpi_ec_gpe_query(void *ec_c
 	if (!ec)
 		return;
 	mutex_lock(&ec->mutex);
-	acpi_ec_sync_query(ec);
+	acpi_ec_sync_query(ec, NULL);
 	mutex_unlock(&ec->mutex);
 }
 

---
 drivers/irqchip/irq-armada-370-xp.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
@@ -130,8 +130,7 @@ static int armada_370_xp_setup_msi_irq(s
 				       struct msi_desc *desc)
 {
 	struct msi_msg msg;
-	irq_hw_number_t hwirq;
-	int virq;
+	int virq, hwirq;
 
 	hwirq = armada_370_xp_alloc_msi();
 	if (hwirq < 0)

---
 drivers/irqchip/irq-armada-370-xp.c |   10 ++++++++++
 1 file changed, 10 insertions(+)
@@ -160,6 +160,15 @@ static void armada_370_xp_teardown_msi_i
 	armada_370_xp_free_msi(d->hwirq);
 }
 
+static int armada_370_xp_check_msi_device(struct msi_chip *chip, struct pci_dev *dev,
+					  int nvec, int type)
+{
+	/* We support MSI, but not MSI-X */
+	if (type == PCI_CAP_ID_MSI)
+		return 0;
+	return -EINVAL;
+}
+
 static struct irq_chip armada_370_xp_msi_irq_chip = {
 	.name = "armada_370_xp_msi_irq",
 	.irq_enable = unmask_msi_irq,

@@ -198,6 +207,7 @@ static int armada_370_xp_msi_init(struct
 
 	msi_chip->setup_irq = armada_370_xp_setup_msi_irq;
 	msi_chip->teardown_irq = armada_370_xp_teardown_msi_irq;
+	msi_chip->check_device = armada_370_xp_check_msi_device;
 	msi_chip->of_node = node;
 
 	armada_370_xp_msi_domain =

---
 drivers/irqchip/irq-armada-370-xp.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
@@ -156,8 +156,10 @@ static void armada_370_xp_teardown_msi_i
 					   unsigned int irq)
 {
 	struct irq_data *d = irq_get_irq_data(irq);
+	unsigned long hwirq = d->hwirq;
+
 	irq_dispose_mapping(irq);
-	armada_370_xp_free_msi(d->hwirq);
+	armada_370_xp_free_msi(hwirq);
 }
 
 static int armada_370_xp_check_msi_device(struct msi_chip *chip, struct pci_dev *dev,

---
 drivers/gpu/drm/i915/intel_display.c |   23 ++++++++++++++++++-----
 drivers/gpu/drm/i915/intel_drv.h     |    3 ++-
 2 files changed, 20 insertions(+), 6 deletions(-)
@@ -9354,11 +9354,22 @@ intel_pipe_config_compare(struct drm_dev
 	PIPE_CONF_CHECK_I(pipe_src_w);
 	PIPE_CONF_CHECK_I(pipe_src_h);
 
-	PIPE_CONF_CHECK_I(gmch_pfit.control);
-	/* pfit ratios are autocomputed by the hw on gen4+ */
-	if (INTEL_INFO(dev)->gen < 4)
-		PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
-	PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
+	/*
+	 * FIXME: BIOS likes to set up a cloned config with lvds+external
+	 * screen. Since we don't yet re-compute the pipe config when moving
+	 * just the lvds port away to another pipe the sw tracking won't match.
+	 *
+	 * Proper atomic modesets with recomputed global state will fix this.
+	 * Until then just don't check gmch state for inherited modes.
+	 */
+	if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_INHERITED_MODE)) {
+		PIPE_CONF_CHECK_I(gmch_pfit.control);
+		/* pfit ratios are autocomputed by the hw on gen4+ */
+		if (INTEL_INFO(dev)->gen < 4)
+			PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios);
+		PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits);
+	}
+
 	PIPE_CONF_CHECK_I(pch_pfit.enabled);
 	if (current_config->pch_pfit.enabled) {
 		PIPE_CONF_CHECK_I(pch_pfit.pos);

@@ -11193,6 +11204,8 @@ static void intel_modeset_readout_hw_sta
 			    base.head) {
 		memset(&crtc->config, 0, sizeof(crtc->config));
 
+		crtc->config.quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE;
+
 		crtc->active = dev_priv->display.get_pipe_config(crtc,
 								 &crtc->config);
 

@@ -219,7 +219,8 @@ struct intel_crtc_config {
 	 * tracked with quirk flags so that fastboot and state checker can act
 	 * accordingly.
 	 */
-#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
+#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS	(1<<0) /* unreliable sync mode.flags */
+#define PIPE_CONFIG_QUIRK_INHERITED_MODE	(1<<1) /* mode inherited from firmware */
 	unsigned long quirks;
 
 	/* User requested mode, only valid as a starting point to

Author: Egbert Eich <[email protected]>
Date:   Fri Jul 26 14:14:24 2013 +0200
---
 drivers/gpu/drm/i915/i915_irq.c |   18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)
@@ -1252,10 +1252,20 @@ static inline void intel_hpd_irq_handler
 	spin_lock(&dev_priv->irq_lock);
 	for (i = 1; i < HPD_NUM_PINS; i++) {
 
-		WARN_ONCE(hpd[i] & hotplug_trigger &&
-			  dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED,
-			  "Received HPD interrupt (0x%08x) on pin %d (0x%08x) although disabled\n",
-			  hotplug_trigger, i, hpd[i]);
+		if (hpd[i] & hotplug_trigger &&
+		    dev_priv->hpd_stats[i].hpd_mark == HPD_DISABLED) {
+			/*
+			 * On GMCH platforms the interrupt mask bits only
+			 * prevent irq generation, not the setting of the
+			 * hotplug bits itself. So only WARN about unexpected
+			 * interrupts on saner platforms.
+			 */
+			WARN_ONCE(INTEL_INFO(dev)->gen >= 5 && !IS_VALLEYVIEW(dev),
+				  "Received HPD interrupt (0x%08x) on pin %d (0x%08x) although disabled\n",
+				  hotplug_trigger, i, hpd[i]);
+
+			continue;
+		}
 
 		if (!(hpd[i] & hotplug_trigger) ||
 		    dev_priv->hpd_stats[i].hpd_mark != HPD_ENABLED)

    if (connector->encoder->base.crtc != &crtc->base)
                                 continue;
Author: Daniel Vetter <[email protected]>
Date:   Mon Jul 2 20:28:59 2012 +0200
---
 drivers/gpu/drm/i915/intel_display.c |   26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)
@@ -10989,15 +10989,6 @@ void intel_modeset_init(struct drm_devic
 	intel_disable_fbc(dev);
 }
 
-static void
-intel_connector_break_all_links(struct intel_connector *connector)
-{
-	connector->base.dpms = DRM_MODE_DPMS_OFF;
-	connector->base.encoder = NULL;
-	connector->encoder->connectors_active = false;
-	connector->encoder->base.crtc = NULL;
-}
-
 static void intel_enable_pipe_a(struct drm_device *dev)
 {
 	struct intel_connector *connector;

@@ -11079,8 +11070,17 @@ static void intel_sanitize_crtc(struct i
 			if (connector->encoder->base.crtc != &crtc->base)
 				continue;
 
-			intel_connector_break_all_links(connector);
+			connector->base.dpms = DRM_MODE_DPMS_OFF;
+			connector->base.encoder = NULL;
 		}
+		/* multiple connectors may have the same encoder:
+		 *  handle them and break crtc link separately */
+		list_for_each_entry(connector, &dev->mode_config.connector_list,
+				    base.head)
+			if (connector->encoder->base.crtc == &crtc->base) {
+				connector->encoder->base.crtc = NULL;
+				connector->encoder->connectors_active = false;
+			}
 
 		WARN_ON(crtc->active);
 		crtc->base.enabled = false;

@@ -11151,6 +11151,8 @@ static void intel_sanitize_encoder(struc
 				      drm_get_encoder_name(&encoder->base));
 			encoder->disable(encoder);
 		}
+		encoder->base.crtc = NULL;
+		encoder->connectors_active = false;
 
 		/* Inconsistent output/port/pipe state happens presumably due to
 		 * a bug in one of the get_hw_state functions. Or someplace else

@@ -11161,8 +11163,8 @@ static void intel_sanitize_encoder(struc
 				    base.head) {
 			if (connector->encoder != encoder)
 				continue;
-
-			intel_connector_break_all_links(connector);
+			connector->base.dpms = DRM_MODE_DPMS_OFF;
+			connector->base.encoder = NULL;
 		}
 	}
 	/* Enabled encoders without active connectors will be fixed in

---
 drivers/gpu/drm/radeon/radeon.h              |    1 +
 drivers/gpu/drm/radeon/radeon_atpx_handler.c |    2 +-
 drivers/gpu/drm/radeon/radeon_device.c       |   19 ++++++++++---------
 drivers/gpu/drm/radeon/radeon_drv.c          |   24 ++++--------------------
 drivers/gpu/drm/radeon/radeon_family.h       |    1 +
 drivers/gpu/drm/radeon/radeon_kms.c          |   14 ++++++++++----
 6 files changed, 27 insertions(+), 34 deletions(-)
@@ -2242,6 +2242,7 @@ struct radeon_device {
 	bool have_disp_power_ref;
 };
 
+bool radeon_is_px(struct drm_device *dev);
 int radeon_device_init(struct radeon_device *rdev,
 		       struct drm_device *ddev,
 		       struct pci_dev *pdev,

@@ -59,7 +59,7 @@ struct atpx_mux {
 	u16 mux;
 } __packed;
 
-bool radeon_is_px(void) {
+bool radeon_has_atpx(void) {
 	return radeon_atpx_priv.atpx_detected;
 }
 

@@ -102,11 +102,14 @@ static const char radeon_family_name[][1
 	"LAST",
 };
 
-#if defined(CONFIG_VGA_SWITCHEROO)
-bool radeon_is_px(void);
-#else
-static inline bool radeon_is_px(void) { return false; }
-#endif
+bool radeon_is_px(struct drm_device *dev)
+{
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (rdev->flags & RADEON_IS_PX)
+		return true;
+	return false;
+}
 
 /**
  * radeon_program_register_sequence - program an array of registers.

@@ -1082,7 +1085,7 @@ static void radeon_switcheroo_set_state(
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
 
-	if (radeon_is_px() && state == VGA_SWITCHEROO_OFF)
+	if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF)
 		return;
 
 	if (state == VGA_SWITCHEROO_ON) {

@@ -1303,9 +1306,7 @@ int radeon_device_init(struct radeon_dev
 	 * ignore it */
 	vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
 
-	if (radeon_runtime_pm == 1)
-		runtime = true;
-	if ((radeon_runtime_pm == -1) && radeon_is_px())
+	if (rdev->flags & RADEON_IS_PX)
 		runtime = true;
 	vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime);
 	if (runtime)

@@ -113,6 +113,7 @@ extern int radeon_get_crtc_scanoutpos(st
 				      unsigned int flags,
 				      int *vpos, int *hpos, ktime_t *stime,
 				      ktime_t *etime);
+extern bool radeon_is_px(struct drm_device *dev);
 extern const struct drm_ioctl_desc radeon_ioctls_kms[];
 extern int radeon_max_kms_ioctl;
 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);

@@ -142,11 +143,9 @@ void radeon_debugfs_cleanup(struct drm_m
 #if defined(CONFIG_VGA_SWITCHEROO)
 void radeon_register_atpx_handler(void);
 void radeon_unregister_atpx_handler(void);
-bool radeon_is_px(void);
 #else
 static inline void radeon_register_atpx_handler(void) {}
 static inline void radeon_unregister_atpx_handler(void) {}
-static inline bool radeon_is_px(void) { return false; }
 #endif
 
 int radeon_no_wb;

@@ -403,12 +402,7 @@ static int radeon_pmops_runtime_suspend(
 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
 	int ret;
 
-	if (radeon_runtime_pm == 0) {
-		pm_runtime_forbid(dev);
-		return -EBUSY;
-	}
-
-	if (radeon_runtime_pm == -1 && !radeon_is_px()) {
+	if (!radeon_is_px(drm_dev)) {
 		pm_runtime_forbid(dev);
 		return -EBUSY;
 	}

@@ -432,10 +426,7 @@ static int radeon_pmops_runtime_resume(s
 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
 	int ret;
 
-	if (radeon_runtime_pm == 0)
-		return -EINVAL;
-
-	if (radeon_runtime_pm == -1 && !radeon_is_px())
+	if (!radeon_is_px(drm_dev))
 		return -EINVAL;
 
 	drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;

@@ -460,14 +451,7 @@ static int radeon_pmops_runtime_idle(str
 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
 	struct drm_crtc *crtc;
 
-	if (radeon_runtime_pm == 0) {
-		pm_runtime_forbid(dev);
-		return -EBUSY;
-	}
-
-	/* are we PX enabled? */
-	if (radeon_runtime_pm == -1 && !radeon_is_px()) {
-		DRM_DEBUG_DRIVER("failing to power off - not px\n");
+	if (!radeon_is_px(drm_dev)) {
 		pm_runtime_forbid(dev);
 		return -EBUSY;
 	}

@@ -115,6 +115,7 @@ enum radeon_chip_flags {
 	RADEON_NEW_MEMMAP = 0x00400000UL,
 	RADEON_IS_PCI = 0x00800000UL,
 	RADEON_IS_IGPGART = 0x01000000UL,
+	RADEON_IS_PX = 0x02000000UL,
 };
 
 #endif

@@ -35,9 +35,9 @@
 #include <linux/pm_runtime.h>
 
 #if defined(CONFIG_VGA_SWITCHEROO)
-bool radeon_is_px(void);
+bool radeon_has_atpx(void);
 #else
-static inline bool radeon_is_px(void) { return false; }
+static inline bool radeon_has_atpx(void) { return false; }
 #endif
 
 /**

@@ -107,6 +107,13 @@ int radeon_driver_load_kms(struct drm_de
 		flags |= RADEON_IS_PCI;
 	}
 
+	if (radeon_runtime_pm == 1)
+		flags |= RADEON_IS_PX;
+	else if ((radeon_runtime_pm == -1) &&
+		 radeon_has_atpx() &&
+		 ((flags & RADEON_IS_IGP) == 0))
+		flags |= RADEON_IS_PX;
+
 	/* radeon_device_init should report only fatal error
 	 * like memory allocation failure or iomapping failure,
 	 * or memory manager initialization failure, it must

@@ -137,8 +144,7 @@ int radeon_driver_load_kms(struct drm_de
 				"Error during ACPI methods call\n");
 	}
 
-	if ((radeon_runtime_pm == 1) ||
-	    ((radeon_runtime_pm == -1) && radeon_is_px())) {
+	if (radeon_is_px(dev)) {
 		pm_runtime_use_autosuspend(dev->dev);
 		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
 		pm_runtime_set_active(dev->dev);

---
 drivers/gpu/drm/radeon/ci_dpm.c |    4 ++++
 1 file changed, 4 insertions(+)
@@ -5106,6 +5106,10 @@ int ci_dpm_init(struct radeon_device *rd
 	pi->mclk_dpm_key_disabled = 0;
 	pi->pcie_dpm_key_disabled = 0;
 
+	/* mclk dpm is unstable on some R7 260X cards */
+	if (rdev->pdev->device == 0x6658)
+		pi->mclk_dpm_key_disabled = 1;
+
 	pi->caps_sclk_ds = true;
 
 	pi->mclk_strobe_mode_threshold = 40000;

---
 drivers/gpu/drm/radeon/radeon_ucode.h |    3 ++
 drivers/gpu/drm/radeon/si.c           |   35 +++++++++++++++++++++-------------
 2 files changed, 25 insertions(+), 13 deletions(-)
@@ -57,6 +57,9 @@
 #define BTC_MC_UCODE_SIZE            6024
 #define CAYMAN_MC_UCODE_SIZE         6037
 #define SI_MC_UCODE_SIZE             7769
+#define TAHITI_MC_UCODE_SIZE         7808
+#define PITCAIRN_MC_UCODE_SIZE       7775
+#define VERDE_MC_UCODE_SIZE          7875
 #define OLAND_MC_UCODE_SIZE          7863
 #define CIK_MC_UCODE_SIZE            7866
 #define HAWAII_MC_UCODE_SIZE         7933

@@ -39,30 +39,35 @@ MODULE_FIRMWARE("radeon/TAHITI_pfp.bin")
 MODULE_FIRMWARE("radeon/TAHITI_me.bin");
 MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
 MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
+MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
 MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
 MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
+MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
 MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
 MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
 MODULE_FIRMWARE("radeon/VERDE_me.bin");
 MODULE_FIRMWARE("radeon/VERDE_ce.bin");
 MODULE_FIRMWARE("radeon/VERDE_mc.bin");
+MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
 MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
 MODULE_FIRMWARE("radeon/VERDE_smc.bin");
 MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
 MODULE_FIRMWARE("radeon/OLAND_me.bin");
 MODULE_FIRMWARE("radeon/OLAND_ce.bin");
 MODULE_FIRMWARE("radeon/OLAND_mc.bin");
+MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
 MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
 MODULE_FIRMWARE("radeon/OLAND_smc.bin");
 MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
 MODULE_FIRMWARE("radeon/HAINAN_me.bin");
 MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
 MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
+MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
 MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
 MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
 

@@ -1467,7 +1472,7 @@ int si_mc_load_microcode(struct radeon_d
 	const __be32 *fw_data;
 	u32 running, blackout = 0;
 	u32 *io_mc_regs;
-	int i, ucode_size, regs_size;
+	int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
 
 	if (!rdev->mc_fw)
 		return -EINVAL;

@@ -1475,28 +1480,23 @@ int si_mc_load_microcode(struct radeon_d
 	switch (rdev->family) {
 	case CHIP_TAHITI:
 		io_mc_regs = (u32 *)&tahiti_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
 		regs_size = TAHITI_IO_MC_REGS_SIZE;
 		break;
 	case CHIP_PITCAIRN:
 		io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
 		regs_size = TAHITI_IO_MC_REGS_SIZE;
 		break;
 	case CHIP_VERDE:
 	default:
 		io_mc_regs = (u32 *)&verde_io_mc_regs;
-		ucode_size = SI_MC_UCODE_SIZE;
 		regs_size = TAHITI_IO_MC_REGS_SIZE;
 		break;
 	case CHIP_OLAND:
 		io_mc_regs = (u32 *)&oland_io_mc_regs;
-		ucode_size = OLAND_MC_UCODE_SIZE;
 		regs_size = TAHITI_IO_MC_REGS_SIZE;
 		break;
 	case CHIP_HAINAN:
 		io_mc_regs = (u32 *)&hainan_io_mc_regs;
-		ucode_size = OLAND_MC_UCODE_SIZE;
 		regs_size = TAHITI_IO_MC_REGS_SIZE;
 		break;
 	}

@@ -1552,7 +1552,7 @@ static int si_init_microcode(struct rade
 	const char *chip_name;
 	const char *rlc_chip_name;
 	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
-	size_t smc_req_size;
+	size_t smc_req_size, mc2_req_size;
 	char fw_name[30];
 	int err;
 

@@ -1567,6 +1567,7 @@ static int si_init_microcode(struct rade
 		ce_req_size = SI_CE_UCODE_SIZE * 4;
 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
 		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
 		break;
 	case CHIP_PITCAIRN:

@@ -1577,6 +1578,7 @@ static int si_init_microcode(struct rade
 		ce_req_size = SI_CE_UCODE_SIZE * 4;
 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
 		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
 		break;
 	case CHIP_VERDE:

@@ -1587,6 +1589,7 @@ static int si_init_microcode(struct rade
 		ce_req_size = SI_CE_UCODE_SIZE * 4;
 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
 		mc_req_size = SI_MC_UCODE_SIZE * 4;
+		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
 		break;
 	case CHIP_OLAND:

@@ -1596,7 +1599,7 @@ static int si_init_microcode(struct rade
 		me_req_size = SI_PM4_UCODE_SIZE * 4;
 		ce_req_size = SI_CE_UCODE_SIZE * 4;
 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
-		mc_req_size = OLAND_MC_UCODE_SIZE * 4;
+		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
 		break;
 	case CHIP_HAINAN:

@@ -1606,7 +1609,7 @@ static int si_init_microcode(struct rade
 		me_req_size = SI_PM4_UCODE_SIZE * 4;
 		ce_req_size = SI_CE_UCODE_SIZE * 4;
 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
-		mc_req_size = OLAND_MC_UCODE_SIZE * 4;
+		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
 		break;
 	default: BUG();

@@ -1659,16 +1662,22 @@ static int si_init_microcode(struct rade
 		err = -EINVAL;
 	}
 
-	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
 	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
-	if (err)
-		goto out;
-	if (rdev->mc_fw->size != mc_req_size) {
+	if (err) {
+		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
+		if (err)
+			goto out;
+	}
+	if ((rdev->mc_fw->size != mc_req_size) &&
+	    (rdev->mc_fw->size != mc2_req_size)) {
 		printk(KERN_ERR
 		       "si_mc: Bogus length %zu in firmware \"%s\"\n",
 		       rdev->mc_fw->size, fw_name);
 		err = -EINVAL;
 	}
+	DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
 
 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 	err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);

---
 drivers/gpu/drm/radeon/cik.c          |   26 +++++++++++++++++---------
 drivers/gpu/drm/radeon/radeon_ucode.h |    4 +++-
 2 files changed, 20 insertions(+), 10 deletions(-)
@@ -38,6 +38,7 @@ MODULE_FIRMWARE("radeon/BONAIRE_me.bin")
 MODULE_FIRMWARE("radeon/BONAIRE_ce.bin");
 MODULE_FIRMWARE("radeon/BONAIRE_mec.bin");
 MODULE_FIRMWARE("radeon/BONAIRE_mc.bin");
+MODULE_FIRMWARE("radeon/BONAIRE_mc2.bin");
 MODULE_FIRMWARE("radeon/BONAIRE_rlc.bin");
 MODULE_FIRMWARE("radeon/BONAIRE_sdma.bin");
 MODULE_FIRMWARE("radeon/BONAIRE_smc.bin");

@@ -46,6 +47,7 @@ MODULE_FIRMWARE("radeon/HAWAII_me.bin");
 MODULE_FIRMWARE("radeon/HAWAII_ce.bin");
 MODULE_FIRMWARE("radeon/HAWAII_mec.bin");
 MODULE_FIRMWARE("radeon/HAWAII_mc.bin");
+MODULE_FIRMWARE("radeon/HAWAII_mc2.bin");
 MODULE_FIRMWARE("radeon/HAWAII_rlc.bin");
 MODULE_FIRMWARE("radeon/HAWAII_sdma.bin");
 MODULE_FIRMWARE("radeon/HAWAII_smc.bin");

@@ -1702,7 +1704,7 @@ int ci_mc_load_microcode(struct radeon_d
 	const __be32 *fw_data;
 	u32 running, blackout = 0;
 	u32 *io_mc_regs;
-	int i, ucode_size, regs_size;
+	int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
 
 	if (!rdev->mc_fw)
 		return -EINVAL;

@@ -1710,12 +1712,10 @@ int ci_mc_load_microcode(struct radeon_d
 	switch (rdev->family) {
 	case CHIP_BONAIRE:
 		io_mc_regs = (u32 *)&bonaire_io_mc_regs;
-		ucode_size = CIK_MC_UCODE_SIZE;
 		regs_size = BONAIRE_IO_MC_REGS_SIZE;
 		break;
 	case CHIP_HAWAII:
 		io_mc_regs = (u32 *)&hawaii_io_mc_regs;
-		ucode_size = HAWAII_MC_UCODE_SIZE;
 		regs_size = HAWAII_IO_MC_REGS_SIZE;
 		break;
 	default:

@@ -1782,7 +1782,7 @@ static int cik_init_microcode(struct rad
 	const char *chip_name;
 	size_t pfp_req_size, me_req_size, ce_req_size,
 		mec_req_size, rlc_req_size, mc_req_size = 0,
-		sdma_req_size, smc_req_size = 0;
+		sdma_req_size, smc_req_size = 0, mc2_req_size = 0;
 	char fw_name[30];
 	int err;
 

@@ -1796,7 +1796,8 @@ static int cik_init_microcode(struct rad
 		ce_req_size = CIK_CE_UCODE_SIZE * 4;
 		mec_req_size = CIK_MEC_UCODE_SIZE * 4;
 		rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4;
-		mc_req_size = CIK_MC_UCODE_SIZE * 4;
+		mc_req_size = BONAIRE_MC_UCODE_SIZE * 4;
+		mc2_req_size = BONAIRE_MC2_UCODE_SIZE * 4;
 		sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(BONAIRE_SMC_UCODE_SIZE, 4);
 		break;

@@ -1808,6 +1809,7 @@ static int cik_init_microcode(struct rad
 		mec_req_size = CIK_MEC_UCODE_SIZE * 4;
 		rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4;
 		mc_req_size = HAWAII_MC_UCODE_SIZE * 4;
+		mc2_req_size = HAWAII_MC2_UCODE_SIZE * 4;
 		sdma_req_size = CIK_SDMA_UCODE_SIZE * 4;
 		smc_req_size = ALIGN(HAWAII_SMC_UCODE_SIZE, 4);
 		break;

@@ -1903,16 +1905,22 @@ static int cik_init_microcode(struct rad
 
 	/* No SMC, MC ucode on APUs */
 	if (!(rdev->flags & RADEON_IS_IGP)) {
-		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
-		if (err)
-			goto out;
-		if (rdev->mc_fw->size != mc_req_size) {
+		if (err) {
+			snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
+			err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
+			if (err)
+				goto out;
+		}
+		if ((rdev->mc_fw->size != mc_req_size) &&
+		    (rdev->mc_fw->size != mc2_req_size)){
 			printk(KERN_ERR
 			       "cik_mc: Bogus length %zu in firmware \"%s\"\n",
 			       rdev->mc_fw->size, fw_name);
 			err = -EINVAL;
 		}
+		DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
 
 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);

@@ -61,8 +61,10 @@
 #define PITCAIRN_MC_UCODE_SIZE       7775
 #define VERDE_MC_UCODE_SIZE          7875
 #define OLAND_MC_UCODE_SIZE          7863
-#define CIK_MC_UCODE_SIZE            7866
+#define BONAIRE_MC_UCODE_SIZE        7866
+#define BONAIRE_MC2_UCODE_SIZE       7948
 #define HAWAII_MC_UCODE_SIZE         7933
+#define HAWAII_MC2_UCODE_SIZE        8091
 
 /* SDMA */
 #define CIK_SDMA_UCODE_SIZE          1050

---
 drivers/gpu/drm/radeon/ci_dpm.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
@@ -21,8 +21,10 @@
  *
  */
 
+#include <linux/firmware.h>
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_ucode.h"
 #include "cikd.h"
 #include "r600_dpm.h"
 #include "ci_dpm.h"

@@ -5106,9 +5108,11 @@ int ci_dpm_init(struct radeon_device *rd
 	pi->mclk_dpm_key_disabled = 0;
 	pi->pcie_dpm_key_disabled = 0;
 
-	/* mclk dpm is unstable on some R7 260X cards */
-	if (rdev->pdev->device == 0x6658)
+	/* mclk dpm is unstable on some R7 260X cards with the old mc ucode */
+	if ((rdev->pdev->device == 0x6658) &&
+	    (rdev->mc_fw->size == (BONAIRE_MC_UCODE_SIZE * 4))) {
 		pi->mclk_dpm_key_disabled = 1;
+	}
 
 	pi->caps_sclk_ds = true;
 

---
 drivers/gpu/drm/radeon/si.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
@@ -1472,11 +1472,13 @@ int si_mc_load_microcode(struct radeon_d
 	const __be32 *fw_data;
 	u32 running, blackout = 0;
 	u32 *io_mc_regs;
-	int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
+	int i, regs_size, ucode_size;
 
 	if (!rdev->mc_fw)
 		return -EINVAL;
 
+	ucode_size = rdev->mc_fw->size / 4;
+
 	switch (rdev->family) {
 	case CHIP_TAHITI:
 		io_mc_regs = (u32 *)&tahiti_io_mc_regs;

---
 drivers/gpu/drm/radeon/cik.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
@@ -1704,11 +1704,13 @@ int ci_mc_load_microcode(struct radeon_d
 	const __be32 *fw_data;
 	u32 running, blackout = 0;
 	u32 *io_mc_regs;
-	int i, regs_size, ucode_size = rdev->mc_fw->size / 4;
+	int i, regs_size, ucode_size;
 
 	if (!rdev->mc_fw)
 		return -EINVAL;
 
+	ucode_size = rdev->mc_fw->size / 4;
+
 	switch (rdev->family) {
 	case CHIP_BONAIRE:
 		io_mc_regs = (u32 *)&bonaire_io_mc_regs;

---
 drivers/gpu/drm/radeon/radeon_pm.c |   21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)
@@ -603,7 +603,6 @@ static const struct attribute_group *hwm
 static int radeon_hwmon_init(struct radeon_device *rdev)
 {
 	int err = 0;
-	struct device *hwmon_dev;
 
 	switch (rdev->pm.int_thermal_type) {
 	case THERMAL_TYPE_RV6XX:

@@ -616,11 +615,11 @@ static int radeon_hwmon_init(struct rade
 	case THERMAL_TYPE_KV:
 		if (rdev->asic->pm.get_temperature == NULL)
 			return err;
-		hwmon_dev = hwmon_device_register_with_groups(rdev->dev,
-							      "radeon", rdev,
-							      hwmon_groups);
-		if (IS_ERR(hwmon_dev)) {
-			err = PTR_ERR(hwmon_dev);
+		rdev->pm.int_hwmon_dev = hwmon_device_register_with_groups(rdev->dev,
+									   "radeon", rdev,
+									   hwmon_groups);
+		if (IS_ERR(rdev->pm.int_hwmon_dev)) {
+			err = PTR_ERR(rdev->pm.int_hwmon_dev);
 			dev_err(rdev->dev,
 				"Unable to register hwmon device: %d\n", err);
 		}

@@ -632,6 +631,12 @@ static int radeon_hwmon_init(struct rade
 	return err;
 }
 
+static void radeon_hwmon_fini(struct radeon_device *rdev)
+{
+	if (rdev->pm.int_hwmon_dev)
+		hwmon_device_unregister(rdev->pm.int_hwmon_dev);
+}
+
 static void radeon_dpm_thermal_work_handler(struct work_struct *work)
 {
 	struct radeon_device *rdev =

@@ -1331,6 +1336,8 @@ static void radeon_pm_fini_old(struct ra
 		device_remove_file(rdev->dev, &dev_attr_power_method);
 	}
 
+	radeon_hwmon_fini(rdev);
+
 	if (rdev->pm.power_state)
 		kfree(rdev->pm.power_state);
 }

@@ -1350,6 +1357,8 @@ static void radeon_pm_fini_dpm(struct ra
 	}
 	radeon_dpm_fini(rdev);
 
+	radeon_hwmon_fini(rdev);
+
 	if (rdev->pm.power_state)
 		kfree(rdev->pm.power_state);
 }

---
 drivers/gpu/drm/radeon/r600_dpm.c  |   35 +++++++++++++++++++----------------
 drivers/gpu/drm/radeon/radeon_pm.c |   28 ++++++++++++++++------------
 2 files changed, 35 insertions(+), 28 deletions(-)
@@ -158,16 +158,18 @@ u32 r600_dpm_get_vblank_time(struct rade
 	u32 line_time_us, vblank_lines;
 	u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		radeon_crtc = to_radeon_crtc(crtc);
-		if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-			line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
-				radeon_crtc->hw_mode.clock;
-			vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
-				radeon_crtc->hw_mode.crtc_vdisplay +
-				(radeon_crtc->v_border * 2);
-			vblank_time_us = vblank_lines * line_time_us;
-			break;
+	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
+		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+			radeon_crtc = to_radeon_crtc(crtc);
+			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+				line_time_us = (radeon_crtc->hw_mode.crtc_htotal * 1000) /
+					radeon_crtc->hw_mode.clock;
+				vblank_lines = radeon_crtc->hw_mode.crtc_vblank_end -
+					radeon_crtc->hw_mode.crtc_vdisplay +
+					(radeon_crtc->v_border * 2);
+				vblank_time_us = vblank_lines * line_time_us;
+				break;
+			}
 		}
 	}
 

@@ -181,14 +183,15 @@ u32 r600_dpm_get_vrefresh(struct radeon_
 	struct radeon_crtc *radeon_crtc;
 	u32 vrefresh = 0;
 
-	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-		radeon_crtc = to_radeon_crtc(crtc);
-		if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-			vrefresh = radeon_crtc->hw_mode.vrefresh;
-			break;
+	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
+		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+			radeon_crtc = to_radeon_crtc(crtc);
+			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
+				vrefresh = radeon_crtc->hw_mode.vrefresh;
+				break;
+			}
 		}
 	}
-
 	return vrefresh;
 }
 

@@ -1384,12 +1384,14 @@ static void radeon_pm_compute_clocks_old
 
 	rdev->pm.active_crtcs = 0;
 	rdev->pm.active_crtc_count = 0;
-	list_for_each_entry(crtc,
-		&ddev->mode_config.crtc_list, head) {
-		radeon_crtc = to_radeon_crtc(crtc);
-		if (radeon_crtc->enabled) {
-			rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
-			rdev->pm.active_crtc_count++;
+	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
+		list_for_each_entry(crtc,
+				    &ddev->mode_config.crtc_list, head) {
+			radeon_crtc = to_radeon_crtc(crtc);
+			if (radeon_crtc->enabled) {
+				rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
+				rdev->pm.active_crtc_count++;
+			}
 		}
 	}
 

@@ -1456,12 +1458,14 @@ static void radeon_pm_compute_clocks_dpm
 	/* update active crtc counts */
 	rdev->pm.dpm.new_active_crtcs = 0;
 	rdev->pm.dpm.new_active_crtc_count = 0;
-	list_for_each_entry(crtc,
-		&ddev->mode_config.crtc_list, head) {
-		radeon_crtc = to_radeon_crtc(crtc);
-		if (crtc->enabled) {
-			rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id);
-			rdev->pm.dpm.new_active_crtc_count++;
+	if (rdev->num_crtc && rdev->mode_info.mode_config_initialized) {
+		list_for_each_entry(crtc,
+				    &ddev->mode_config.crtc_list, head) {
+			radeon_crtc = to_radeon_crtc(crtc);
+			if (crtc->enabled) {
+				rdev->pm.dpm.new_active_crtcs |= (1 << radeon_crtc->crtc_id);
+				rdev->pm.dpm.new_active_crtc_count++;
+			}
 		}
 	}
 

---
 drivers/gpu/drm/radeon/radeon_kms.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
@@ -107,11 +107,9 @@ int radeon_driver_load_kms(struct drm_de
 		flags |= RADEON_IS_PCI;
 	}
 
-	if (radeon_runtime_pm == 1)
-		flags |= RADEON_IS_PX;
-	else if ((radeon_runtime_pm == -1) &&
-		 radeon_has_atpx() &&
-		 ((flags & RADEON_IS_IGP) == 0))
+	if ((radeon_runtime_pm != 0) &&
+	    radeon_has_atpx() &&
+	    ((flags & RADEON_IS_IGP) == 0))
 		flags |= RADEON_IS_PX;
 
 	/* radeon_device_init should report only fatal error

---
 drivers/gpu/drm/radeon/radeon_pm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1240,6 +1240,7 @@ int radeon_pm_init(struct radeon_device
 	case CHIP_RV670:
 	case CHIP_RS780:
 	case CHIP_RS880:
+	case CHIP_RV770:
 	case CHIP_BARTS:
 	case CHIP_TURKS:
 	case CHIP_CAICOS:

@@ -1256,7 +1257,6 @@ int radeon_pm_init(struct radeon_device
 		else
 			rdev->pm.pm_method = PM_METHOD_PROFILE;
 		break;
-	case CHIP_RV770:
 	case CHIP_RV730:
 	case CHIP_RV710:
 	case CHIP_RV740:

---
 include/uapi/drm/tegra_drm.h |    1 -
 1 file changed, 1 deletion(-)
@@ -114,7 +114,6 @@ struct drm_tegra_submit {
 	__u32 num_waitchks;
 	__u32 waitchk_mask;
 	__u32 timeout;
-	__u32 pad;
 	__u64 syncpts;
 	__u64 cmdbufs;
 	__u64 relocs;

---
 drivers/clk/tegra/clk-pll.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1718,7 +1718,7 @@ struct clk *tegra_clk_register_plle_tegr
 					"pll_re_vco");
 	} else {
 		val_aux &= ~(PLLE_AUX_PLLRE_SEL | PLLE_AUX_PLLP_SEL);
-		pll_writel(val, pll_params->aux_reg, pll);
+		pll_writel(val_aux, pll_params->aux_reg, pll);
 	}
 
 	clk = _tegra_clk_register_pll(pll, name, parent_name, flags,

---
 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
@@ -661,6 +661,7 @@ static int inv_mpu_probe(struct i2c_clie
 {
 	struct inv_mpu6050_state *st;
 	struct iio_dev *indio_dev;
+	struct inv_mpu6050_platform_data *pdata;
 	int result;
 
 	if (!i2c_check_functionality(client->adapter,

@@ -673,8 +674,10 @@ static int inv_mpu_probe(struct i2c_clie
 
 	st = iio_priv(indio_dev);
 	st->client = client;
-	st->plat_data = *(struct inv_mpu6050_platform_data
-				*)dev_get_platdata(&client->dev);
+	pdata = (struct inv_mpu6050_platform_data
+			*)dev_get_platdata(&client->dev);
+	if (pdata)
+		st->plat_data = *pdata;
 	/* power is turned on inside check chip type*/
 	result = inv_check_and_setup_chip(st, id);
 	if (result)

---
 drivers/usb/host/ehci-fsl.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -248,7 +248,8 @@ static int ehci_fsl_setup_phy(struct usb
 		break;
 	}
 
-	if (pdata->have_sysif_regs && pdata->controller_ver &&
+	if (pdata->have_sysif_regs &&
+	    pdata->controller_ver > FSL_USB_VER_1_6 &&
 	    (phy_mode == FSL_USB2_PHY_ULPI)) {
 		/* check PHY_CLK_VALID to get phy clk valid */
 		if (!(spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &

---
 drivers/usb/gadget/at91_udc.c |   10 ----------
 1 file changed, 10 deletions(-)
@@ -1709,16 +1709,6 @@ static int at91udc_probe(struct platform
 		return -ENODEV;
 	}
 
-	if (pdev->num_resources != 2) {
-		DBG("invalid num_resources\n");
-		return -ENODEV;
-	}
-	if ((pdev->resource[0].flags != IORESOURCE_MEM)
-			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
-		DBG("invalid resource type\n");
-		return -ENODEV;
-	}
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		return -ENXIO;

---
 drivers/usb/storage/shuttle_usbat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1851,7 +1851,7 @@ static int usbat_probe(struct usb_interf
 	us->transport_name = "Shuttle USBAT";
 	us->transport = usbat_flash_transport;
 	us->transport_reset = usb_stor_CB_reset;
-	us->max_lun = 1;
+	us->max_lun = 0;
 
 	result = usb_stor_probe2(us);
 	return result;

---
 drivers/usb/storage/unusual_devs.h |    7 +++++++
 1 file changed, 7 insertions(+)
@@ -234,6 +234,13 @@ UNUSUAL_DEV(  0x0421, 0x0495, 0x0370, 0x
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_MAX_SECTORS_64 ),
 
+/* Patch submitted by Victor A. Santos <[email protected]> */
+UNUSUAL_DEV(  0x0421, 0x05af, 0x0742, 0x0742,
+		"Nokia",
+		"305",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64),
+
 /* Patch submitted by Mikhail Zolotaryov <[email protected]> */
 UNUSUAL_DEV(  0x0421, 0x06aa, 0x1110, 0x1110,
 		"Nokia",

---
 drivers/usb/storage/unusual_devs.h |    7 +++++++
 1 file changed, 7 insertions(+)
@@ -234,6 +234,13 @@ UNUSUAL_DEV(  0x0421, 0x0495, 0x0370, 0x
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_MAX_SECTORS_64 ),
 
+/* Reported by Daniele Forsi <[email protected]> */
+UNUSUAL_DEV(  0x0421, 0x04b9, 0x0350, 0x0350,
+		"Nokia",
+		"5300",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
 /* Patch submitted by Victor A. Santos <[email protected]> */
 UNUSUAL_DEV(  0x0421, 0x05af, 0x0742, 0x0742,
 		"Nokia",

---
 drivers/net/wireless/rt2x00/rt2x00mac.c |   22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)
@@ -621,20 +621,18 @@ void rt2x00mac_bss_info_changed(struct i
 				      bss_conf->bssid);
 
 	/*
-	 * Update the beacon. This is only required on USB devices. PCI
-	 * devices fetch beacons periodically.
-	 */
-	if (changes & BSS_CHANGED_BEACON && rt2x00_is_usb(rt2x00dev))
-		rt2x00queue_update_beacon(rt2x00dev, vif);
-
-	/*
 	 * Start/stop beaconing.
 	 */
 	if (changes & BSS_CHANGED_BEACON_ENABLED) {
 		if (!bss_conf->enable_beacon && intf->enable_beacon) {
-			rt2x00queue_clear_beacon(rt2x00dev, vif);
 			rt2x00dev->intf_beaconing--;
 			intf->enable_beacon = false;
+			/*
+			 * Clear beacon in the H/W for this vif. This is needed
+			 * to disable beaconing on this particular interface
+			 * and keep it running on other interfaces.
+			 */
+			rt2x00queue_clear_beacon(rt2x00dev, vif);
 
 			if (rt2x00dev->intf_beaconing == 0) {
 				/*

@@ -645,11 +643,15 @@ void rt2x00mac_bss_info_changed(struct i
 				rt2x00queue_stop_queue(rt2x00dev->bcn);
 				mutex_unlock(&intf->beacon_skb_mutex);
 			}
-
-
 		} else if (bss_conf->enable_beacon && !intf->enable_beacon) {
 			rt2x00dev->intf_beaconing++;
 			intf->enable_beacon = true;
+			/*
+			 * Upload beacon to the H/W. This is only required on
+			 * USB devices. PCI devices fetch beacons periodically.
+			 */
+			if (rt2x00_is_usb(rt2x00dev))
+				rt2x00queue_update_beacon(rt2x00dev, vif);
 
 			if (rt2x00dev->intf_beaconing == 1) {
 				/*

---
 sound/usb/card.h     |    1 +
 sound/usb/endpoint.c |   15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)
@@ -92,6 +92,7 @@ struct snd_usb_endpoint {
 	unsigned int curframesize;      /* current packet size in frames (for capture) */
 	unsigned int syncmaxsize;	/* sync endpoint packet size */
 	unsigned int fill_max:1;	/* fill max packet size always */
+	unsigned int udh01_fb_quirk:1;	/* corrupted feedback data */
 	unsigned int datainterval;      /* log_2 of data packet interval */
 	unsigned int syncinterval;	/* P for adaptive mode, 0 otherwise */
 	unsigned char silence_value;

@@ -469,6 +469,10 @@ struct snd_usb_endpoint *snd_usb_add_end
 			ep->syncinterval = 3;
 
 		ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
+
+		if (chip->usb_id == USB_ID(0x0644, 0x8038) /* TEAC UD-H01 */ &&
+		    ep->syncmaxsize == 4)
+			ep->udh01_fb_quirk = 1;
 	}
 
 	list_add_tail(&ep->list, &chip->ep_list);

@@ -1099,7 +1103,16 @@ void snd_usb_handle_sync_urb(struct snd_
 	if (f == 0)
 		return;
 
-	if (unlikely(ep->freqshift == INT_MIN)) {
+	if (unlikely(sender->udh01_fb_quirk)) {
+		/*
+		 * The TEAC UD-H01 firmware sometimes changes the feedback value
+		 * by +/- 0x1.0000.
+		 */
+		if (f < ep->freqn - 0x8000)
+			f += 0x10000;
+		else if (f > ep->freqn + 0x8000)
+			f -= 0x10000;
+	} else if (unlikely(ep->freqshift == INT_MIN)) {
 		/*
 		 * The first time we see a feedback value, determine its format
 		 * by shifting it left or right until it matches the nominal

---
 net/bluetooth/hci_event.c |    6 ++++++
 1 file changed, 6 insertions(+)
@@ -3006,6 +3006,12 @@ static void hci_key_refresh_complete_evt
 	if (!conn)
 		goto unlock;
 
+	/* For BR/EDR the necessary steps are taken through the
+	 * auth_complete event.
+	 */
+	if (conn->type != LE_LINK)
+		goto unlock;
+
 	if (!ev->status)
 		conn->sec_level = conn->pending_sec_level;
 

---
 net/bluetooth/hci_conn.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
@@ -752,14 +752,17 @@ static int hci_conn_auth(struct hci_conn
 	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
 		struct hci_cp_auth_requested cp;
 
-		/* encrypt must be pending if auth is also pending */
-		set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
-
 		cp.handle = cpu_to_le16(conn->handle);
 		hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
 			     sizeof(cp), &cp);
+
+		/* If we're already encrypted set the REAUTH_PEND flag,
+		 * otherwise set the ENCRYPT_PEND.
+		 */
 		if (conn->key_type != 0xff)
 			set_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
+		else
+			set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
 	}
 
 	return 0;

T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=03 Dev#=  3 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=04ca ProdID=3007 Rev= 0.01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
---
 drivers/bluetooth/ath3k.c |    2 ++
 drivers/bluetooth/btusb.c |    1 +
 2 files changed, 3 insertions(+)
@@ -82,6 +82,7 @@ static const struct usb_device_id ath3k_
 	{ USB_DEVICE(0x04CA, 0x3004) },
 	{ USB_DEVICE(0x04CA, 0x3005) },
 	{ USB_DEVICE(0x04CA, 0x3006) },
+	{ USB_DEVICE(0x04CA, 0x3007) },
 	{ USB_DEVICE(0x04CA, 0x3008) },
 	{ USB_DEVICE(0x04CA, 0x300b) },
 	{ USB_DEVICE(0x13d3, 0x3362) },

@@ -127,6 +128,7 @@ static const struct usb_device_id ath3k_
 	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },

@@ -149,6 +149,7 @@ static const struct usb_device_id blackl
 	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },

---
 drivers/bluetooth/btusb.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
@@ -1479,10 +1479,8 @@ static int btusb_probe(struct usb_interf
 	if (id->driver_info & BTUSB_BCM92035)
 		hdev->setup = btusb_setup_bcm92035;
 
-	if (id->driver_info & BTUSB_INTEL) {
-		usb_enable_autosuspend(data->udev);
+	if (id->driver_info & BTUSB_INTEL)
 		hdev->setup = btusb_setup_intel;
-	}
 
 	/* Interface numbers are hardcoded in the specification */
 	data->isoc = usb_ifnum_to_if(data->udev, 1);

---
 fs/posix_acl.c |    6 ++++++
 1 file changed, 6 insertions(+)
@@ -246,6 +246,12 @@ posix_acl_equiv_mode(const struct posix_
 	umode_t mode = 0;
 	int not_equiv = 0;
 
+	/*
+	 * A null ACL can always be presented as mode bits.
+	 */
+	if (!acl)
+		return 0;
+
 	FOREACH_ACL_ENTRY(pa, acl, pe) {
 		switch (pa->e_tag) {
 			case ACL_USER_OBJ:

---
 fs/affs/super.c |    2 --
 1 file changed, 2 deletions(-)
@@ -336,8 +336,6 @@ static int affs_fill_super(struct super_
 				&blocksize,&sbi->s_prefix,
 				sbi->s_volume, &mount_flags)) {
 		printk(KERN_ERR "AFFS: Error parsing options\n");
-		kfree(sbi->s_prefix);
-		kfree(sbi);
 		return -EINVAL;
 	}
 	/* N.B. after this point s_prefix must be released */

---
 mm/page-writeback.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
@@ -593,14 +593,14 @@ unsigned long bdi_dirty_limit(struct bac
  * (5) the closer to setpoint, the smaller |df/dx| (and the reverse)
  *     => fast response on large errors; small oscillation near setpoint
  */
-static inline long long pos_ratio_polynom(unsigned long setpoint,
+static long long pos_ratio_polynom(unsigned long setpoint,
 					  unsigned long dirty,
 					  unsigned long limit)
 {
 	long long pos_ratio;
 	long x;
 
-	x = div_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT,
+	x = div64_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT,
 		    limit - setpoint + 1);
 	pos_ratio = x;
 	pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT;

@@ -842,7 +842,7 @@ static unsigned long bdi_position_ratio(
 	x_intercept = bdi_setpoint + span;
 
 	if (bdi_dirty < x_intercept - span / 4) {
-		pos_ratio = div_u64(pos_ratio * (x_intercept - bdi_dirty),
+		pos_ratio = div64_u64(pos_ratio * (x_intercept - bdi_dirty),
 				    x_intercept - bdi_setpoint + 1);
 	} else
 		pos_ratio /= 4;

---
 mm/compaction.c |   22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)
@@ -666,16 +666,20 @@ static void isolate_freepages(struct zon
 				struct compact_control *cc)
 {
 	struct page *page;
-	unsigned long high_pfn, low_pfn, pfn, z_end_pfn, end_pfn;
+	unsigned long high_pfn, low_pfn, pfn, z_end_pfn;
 	int nr_freepages = cc->nr_freepages;
 	struct list_head *freelist = &cc->freepages;
 
 	/*
 	 * Initialise the free scanner. The starting point is where we last
-	 * scanned from (or the end of the zone if starting). The low point
-	 * is the end of the pageblock the migration scanner is using.
+	 * successfully isolated from, zone-cached value, or the end of the
+	 * zone when isolating for the first time. We need this aligned to
+	 * the pageblock boundary, because we do pfn -= pageblock_nr_pages
+	 * in the for loop.
+	 * The low boundary is the end of the pageblock the migration scanner
+	 * is using.
 	 */
-	pfn = cc->free_pfn;
+	pfn = cc->free_pfn & ~(pageblock_nr_pages-1);
 	low_pfn = ALIGN(cc->migrate_pfn + 1, pageblock_nr_pages);
 
 	/*

@@ -695,6 +699,7 @@ static void isolate_freepages(struct zon
 	for (; pfn >= low_pfn && cc->nr_migratepages > nr_freepages;
 					pfn -= pageblock_nr_pages) {
 		unsigned long isolated;
+		unsigned long end_pfn;
 
 		/*
 		 * This can iterate a massively long zone without finding any

@@ -729,13 +734,10 @@ static void isolate_freepages(struct zon
 		isolated = 0;
 
 		/*
-		 * As pfn may not start aligned, pfn+pageblock_nr_page
-		 * may cross a MAX_ORDER_NR_PAGES boundary and miss
-		 * a pfn_valid check. Ensure isolate_freepages_block()
-		 * only scans within a pageblock
+		 * Take care when isolating in last pageblock of a zone which
+		 * ends in the middle of a pageblock.
 		 */
-		end_pfn = ALIGN(pfn + 1, pageblock_nr_pages);
-		end_pfn = min(end_pfn, z_end_pfn);
+		end_pfn = min(pfn + pageblock_nr_pages, z_end_pfn);
 		isolated = isolate_freepages_block(cc, pfn, end_pfn,
 						   freelist, false);
 		nr_freepages += isolated;

---
 mm/vmscan.c |   18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
@@ -1916,6 +1916,24 @@ static void get_scan_count(struct lruvec
 	}
 
 	/*
+	 * Prevent the reclaimer from falling into the cache trap: as
+	 * cache pages start out inactive, every cache fault will tip
+	 * the scan balance towards the file LRU.  And as the file LRU
+	 * shrinks, so does the window for rotation from references.
+	 * This means we have a runaway feedback loop where a tiny
+	 * thrashing file LRU becomes infinitely more attractive than
+	 * anon pages.  Try to detect this based on file LRU size.
+	 */
+	if (global_reclaim(sc)) {
+		unsigned long free = zone_page_state(zone, NR_FREE_PAGES);
+
+		if (unlikely(file + free <= high_wmark_pages(zone))) {
+			scan_balance = SCAN_ANON;
+			goto out;
+		}
+	}
+
+	/*
 	 * There is enough inactive page cache, do not reclaim
 	 * anything from the anonymous working set right now.
 	 */

	/*
	 * If it's foreseeable that reclaiming the file cache won't be
	 * enough to get the zone back into a desirable shape, we have
	 * to swap.  Better start now and leave the - probably heavily
	 * thrashing - remaining file pages alone.
	 */
	if (global_reclaim(sc)) {
		free = zone_page_state(zone, NR_FREE_PAGES);
		if (unlikely(file + free <= high_wmark_pages(zone))) {
			scan_balance = SCAN_ANON;
			goto out;
		}
	}

	/*
	 * Prevent the reclaimer from falling into the cache trap: as
	 * cache pages start out inactive, every cache fault will tip
	 * the scan balance towards the file LRU.  And as the file LRU
	 * shrinks, so does the window for rotation from references.
	 * This means we have a runaway feedback loop where a tiny
	 * thrashing file LRU becomes infinitely more attractive than
	 * anon pages.  Try to detect this based on file LRU size.
	 */
	if (global_reclaim(sc)) {
		unsigned long free = zone_page_state(zone, NR_FREE_PAGES);

		if (unlikely(file + free <= high_wmark_pages(zone))) {
			scan_balance = SCAN_ANON;
			goto out;
		}
	}
Ben Hutchings
Never attribute to conspiracy what can adequately be explained by stupidity.
	/*
	 * If it's foreseeable that reclaiming the file cache won't be
	 * enough to get the zone back into a desirable shape, we have
	 * to swap.  Better start now and leave the - probably heavily
	 * thrashing - remaining file pages alone.
	 */
	if (global_reclaim(sc)) {
		free = zone_page_state(zone, NR_FREE_PAGES);
		if (unlikely(file + free <= high_wmark_pages(zone))) {
			scan_balance = SCAN_ANON;
			goto out;
		}
	}

	/*
	 * Prevent the reclaimer from falling into the cache trap: as
	 * cache pages start out inactive, every cache fault will tip
	 * the scan balance towards the file LRU.  And as the file LRU
	 * shrinks, so does the window for rotation from references.
	 * This means we have a runaway feedback loop where a tiny
	 * thrashing file LRU becomes infinitely more attractive than
	 * anon pages.  Try to detect this based on file LRU size.
	 */
	if (global_reclaim(sc)) {
		unsigned long free = zone_page_state(zone, NR_FREE_PAGES);

		if (unlikely(file + free <= high_wmark_pages(zone))) {
			scan_balance = SCAN_ANON;
			goto out;
		}
	}
---
 arch/arm/mach-orion5x/common.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -21,7 +21,7 @@ struct mv_sata_platform_data;
 #define ORION_MBUS_DEVBUS_BOOT_ATTR   0x0f
 #define ORION_MBUS_DEVBUS_TARGET(cs)  0x01
 #define ORION_MBUS_DEVBUS_ATTR(cs)    (~(1 << cs))
-#define ORION_MBUS_SRAM_TARGET        0x00
+#define ORION_MBUS_SRAM_TARGET        0x09
 #define ORION_MBUS_SRAM_ATTR          0x00
 
 /*

---
 arch/arm/boot/dts/kirkwood-mv88f6281gtw-ge.dts |   18 ++++++++++--------
 arch/arm/boot/dts/kirkwood-nsa310-common.dtsi  |   18 ++++++++++--------
 2 files changed, 20 insertions(+), 16 deletions(-)
@@ -30,6 +30,16 @@
 		bootargs = "console=ttyS0,115200n8 earlyprintk";
 	};
 
+	mbus {
+		pcie-controller {
+			status = "okay";
+
+			pcie@1,0 {
+				status = "okay";
+			};
+		};
+        };
+
 	ocp@f1000000 {
 		pinctrl@10000 {
 			pmx_usb_led: pmx-usb-led {

@@ -73,14 +83,6 @@
 		ehci@50000 {
 			status = "okay";
 		};
-
-		pcie-controller {
-			status = "okay";
-
-			pcie@1,0 {
-				status = "okay";
-			};
-		};
 	};
 
 	gpio-leds {

@@ -4,6 +4,16 @@
 / {
 	model = "ZyXEL NSA310";
 
+	mbus {
+		pcie-controller {
+			status = "okay";
+
+			pcie@1,0 {
+				status = "okay";
+			};
+		};
+	};
+
 	ocp@f1000000 {
 		pinctrl: pinctrl@10000 {
 

@@ -26,14 +36,6 @@
 			status = "okay";
 			nr-ports = <2>;
 		};
-
-		pcie-controller {
-			status = "okay";
-
-			pcie@1,0 {
-				status = "okay";
-			};
-		};
 	};
 
 	gpio_poweroff {

---
 arch/arm/boot/dts/imx53.dtsi |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -87,7 +87,7 @@
 		ipu: ipu@18000000 {
 			#crtc-cells = <1>;
 			compatible = "fsl,imx53-ipu";
-			reg = <0x18000000 0x080000000>;
+			reg = <0x18000000 0x08000000>;
 			interrupts = <11 10>;
 			clocks = <&clks 59>, <&clks 110>, <&clks 61>;
 			clock-names = "bus", "di0", "di1";

---
 Documentation/devicetree/bindings/dma/ti-edma.txt |    4 -
 arch/arm/boot/dts/am33xx.dtsi                     |    2 
 arch/arm/common/edma.c                            |   48 ++++++----------------
 3 files changed, 18 insertions(+), 36 deletions(-)
@@ -29,6 +29,6 @@ edma: edma@49000000 {
 	dma-channels = <64>;
 	ti,edma-regions = <4>;
 	ti,edma-slots = <256>;
-	ti,edma-xbar-event-map = <1 12
-				  2 13>;
+	ti,edma-xbar-event-map = /bits/ 16 <1 12
+					    2 13>;
 };

@@ -140,7 +140,7 @@
 			compatible = "ti,edma3";
 			ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
 			reg =	<0x49000000 0x10000>,
-				<0x44e10f90 0x10>;
+				<0x44e10f90 0x40>;
 			interrupts = <12 13 14>;
 			#dma-cells = <1>;
 			dma-channels = <64>;

---
 arch/arm/boot/dts/armada-xp-gp.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -49,7 +49,7 @@
 			/* Device Bus parameters are required */
 
 			/* Read parameters */
-			devbus,bus-width    = <8>;
+			devbus,bus-width    = <16>;
 			devbus,turn-off-ps  = <60000>;
 			devbus,badr-skew-ps = <0>;
 			devbus,acc-first-ps = <124000>;

---
 arch/arm/boot/dts/armada-xp-db.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -40,7 +40,7 @@
 			/* Device Bus parameters are required */
 
 			/* Read parameters */
-			devbus,bus-width    = <8>;
+			devbus,bus-width    = <16>;
 			devbus,turn-off-ps  = <60000>;
 			devbus,badr-skew-ps = <0>;
 			devbus,acc-first-ps = <124000>;

---
 arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -37,7 +37,7 @@
 			/* Device Bus parameters are required */
 
 			/* Read parameters */
-			devbus,bus-width    = <8>;
+			devbus,bus-width    = <16>;
 			devbus,turn-off-ps  = <60000>;
 			devbus,badr-skew-ps = <0>;
 			devbus,acc-first-ps = <124000>;

---
 arch/arm/boot/dts/ste-ccu8540.dts |    1 +
 1 file changed, 1 insertion(+)
@@ -18,6 +18,7 @@
 	compatible = "st-ericsson,ccu8540", "st-ericsson,u8540";
 
 	memory at 0 {
+		device_type = "memory";
 		reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>;
 	};
 

---
 arch/arm/kernel/crash_dump.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -39,7 +39,7 @@ ssize_t copy_oldmem_page(unsigned long p
 	if (!csize)
 		return 0;
 
-	vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+	vaddr = ioremap(__pfn_to_phys(pfn), PAGE_SIZE);
 	if (!vaddr)
 		return -ENOMEM;
 

---
 drivers/net/wireless/rtlwifi/rtl8192cu/hw.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1001,7 +1001,7 @@ int rtl92cu_hw_init(struct ieee80211_hw
 	err = _rtl92cu_init_mac(hw);
 	if (err) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "init mac failed!\n");
-		return err;
+		goto exit;
 	}
 	err = rtl92c_download_fw(hw);
 	if (err) {

---
 drivers/gpu/drm/nouveau/nouveau_acpi.c |    3 ---
 1 file changed, 3 deletions(-)
@@ -389,9 +389,6 @@ bool nouveau_acpi_rom_supported(struct p
 	acpi_status status;
 	acpi_handle dhandle, rom_handle;
 
-	if (!nouveau_dsm_priv.dsm_detected && !nouveau_dsm_priv.optimus_detected)
-		return false;
-
 	dhandle = ACPI_HANDLE(&pdev->dev);
 	if (!dhandle)
 		return false;

---
 drivers/gpu/drm/nouveau/nouveau_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -762,9 +762,9 @@ nouveau_crtc_page_flip(struct drm_crtc *
 	}
 
 	ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
-	mutex_unlock(&chan->cli->mutex);
 	if (ret)
 		goto fail_unreserve;
+	mutex_unlock(&chan->cli->mutex);
 
 	/* Update the crtc struct and cleanup */
 	crtc->fb = fb;

---
 drivers/gpu/drm/i915/intel_uncore.c |    2 ++
 1 file changed, 2 insertions(+)
@@ -177,6 +177,8 @@ static void vlv_force_wake_reset(struct
 {
 	__raw_i915_write32(dev_priv, FORCEWAKE_VLV,
 			   _MASKED_BIT_DISABLE(0xffff));
+	__raw_i915_write32(dev_priv, FORCEWAKE_MEDIA_VLV,
+			   _MASKED_BIT_DISABLE(0xffff));
 	/* something from same cacheline, but !FORCEWAKE_VLV */
 	__raw_posting_read(dev_priv, FORCEWAKE_ACK_VLV);
 }

---
 drivers/gpu/drm/i915/intel_panel.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
@@ -501,6 +501,7 @@ void intel_panel_set_backlight(struct in
 	enum pipe pipe = intel_get_pipe_from_connector(connector);
 	u32 freq;
 	unsigned long flags;
+	u64 n;
 
 	if (!panel->backlight.present || pipe == INVALID_PIPE)
 		return;

@@ -511,10 +512,9 @@ void intel_panel_set_backlight(struct in
 
 	/* scale to hardware max, but be careful to not overflow */
 	freq = panel->backlight.max;
-	if (freq < max)
-		level = level * freq / max;
-	else
-		level = freq / max * level;
+	n = (u64)level * freq;
+	do_div(n, max);
+	level = n;
 
 	panel->backlight.level = level;
 	if (panel->backlight.device)

---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1776,7 +1776,7 @@ int i40e_vc_process_vf_msg(struct i40e_p
 			   u32 v_retval, u8 *msg, u16 msglen)
 {
 	struct i40e_hw *hw = &pf->hw;
-	int local_vf_id = vf_id - hw->func_caps.vf_base_id;
+	unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
 	struct i40e_vf *vf;
 	int ret;
 

---
 drivers/net/ethernet/intel/igb/igb_main.c |    6 ++++++
 1 file changed, 6 insertions(+)
@@ -1014,6 +1014,12 @@ static void igb_reset_q_vector(struct ig
 {
 	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
 
+	/* Coming from igb_set_interrupt_capability, the vectors are not yet
+	 * allocated. So, q_vector is NULL so we should stop here.
+	 */
+	if (!q_vector)
+		return;
+
 	if (q_vector->tx.ring)
 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;
 

[   42.659791] ------------[ cut here ]------------
[   42.715032] WARNING: CPU: 7 PID: 0 at net/sched/sch_generic.c:264 dev_watchdog+0x15c/0x1fb()
[   42.848263] NETDEV WATCHDOG: eth0 (igb): transmit queue 0 timed out
[   42.923253] Modules linked in:
[   42.959875] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 3.14.0-rc2-mptcp #437
[   43.043184] Hardware name: HP ProLiant DL165 G7, BIOS O37 01/26/2011
[   43.119215]  0000000000000108 ffff88023fdc3da8 ffffffff81487847 0000000000000108
[   43.208165]  ffff88023fdc3df8 ffff88023fdc3de8 ffffffff81034e7d ffff88023fdc3dd8
[   43.297120]  ffffffff813fff10 ffff880236018000 ffff880236b178c0 0000000000000008
[   43.386071] Call Trace:
[   43.415303]  <IRQ>  [<ffffffff81487847>] dump_stack+0x49/0x62
[   43.484174]  [<ffffffff81034e7d>] warn_slowpath_common+0x77/0x91
[   43.556049]  [<ffffffff813fff10>] ? dev_watchdog+0x15c/0x1fb
[   43.623759]  [<ffffffff81034f2b>] warn_slowpath_fmt+0x41/0x43
[   43.692511]  [<ffffffff813fff10>] dev_watchdog+0x15c/0x1fb
[   43.758141]  [<ffffffff813ffdb4>] ? __netdev_watchdog_up+0x64/0x64
[   43.832091]  [<ffffffff8103cd04>] call_timer_fn+0x17/0x6f
[   43.896682]  [<ffffffff8103cebe>] run_timer_softirq+0x162/0x1a2
[   43.967511]  [<ffffffff81038520>] __do_softirq+0xcd/0x1cc
[   44.032104]  [<ffffffff81038689>] irq_exit+0x3a/0x48
[   44.091492]  [<ffffffff81026d43>] smp_apic_timer_interrupt+0x43/0x50
[   44.167525]  [<ffffffff8148c24a>] apic_timer_interrupt+0x6a/0x70
[   44.239392]  <EOI>  [<ffffffff8100992c>] ? default_idle+0x6/0x8
[   44.310343]  [<ffffffff81009b31>] arch_cpu_idle+0x13/0x18
[   44.374934]  [<ffffffff81066126>] cpu_startup_entry+0xa7/0x101
[   44.444724]  [<ffffffff81025660>] start_secondary+0x1b2/0x1b7
[   44.513472] ---[ end trace a5a075fd4e7f854f ]---
[   44.568753] igb 0000:04:00.0 eth0: Reset adapter
[   46.206945] random: nonblocking pool is initialized
[   46.465670] irq 44: nobody cared (try booting with the "irqpoll" option)
[   46.545862] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G        W    3.14.0-rc2-mptcp #437
[   46.640610] Hardware name: HP ProLiant DL165 G7, BIOS O37 01/26/2011
[   46.716641]  ffff8802363f8c84 ffff88023fdc3e38 ffffffff81487847 00000000a03cdb6d
[   46.805598]  ffff8802363f8c00 ffff88023fdc3e68 ffffffff81068489 0000007f81825400
[   46.894539]  ffff8802363f8c00 0000000000000000 0000000000000000 ffff88023fdc3ea8
[   46.983484] Call Trace:
[   47.012714]  <IRQ>  [<ffffffff81487847>] dump_stack+0x49/0x62
[   47.081585]  [<ffffffff81068489>] __report_bad_irq+0x35/0xc1
[   47.149295]  [<ffffffff81068683>] note_interrupt+0x16e/0x1ea
[   47.217006]  [<ffffffff8106679e>] handle_irq_event_percpu+0x116/0x12e
[   47.294075]  [<ffffffff810667e9>] handle_irq_event+0x33/0x4f
[   47.361787]  [<ffffffff81068c95>] handle_fasteoi_irq+0x83/0xd1
[   47.431577]  [<ffffffff81003d5b>] handle_irq+0x1f/0x28
[   47.493047]  [<ffffffff81003567>] do_IRQ+0x4e/0xd4
[   47.550358]  [<ffffffff8148b06a>] common_interrupt+0x6a/0x6a
[   47.618066]  <EOI>  [<ffffffff8100992c>] ? default_idle+0x6/0x8
[   47.689016]  [<ffffffff81009b31>] arch_cpu_idle+0x13/0x18
[   47.753605]  [<ffffffff81066126>] cpu_startup_entry+0xa7/0x101
[   47.823397]  [<ffffffff81025660>] start_secondary+0x1b2/0x1b7
[   47.892146] handlers:
[   47.919301] [<ffffffff812fbd7d>] igb_intr
---
 drivers/net/ethernet/intel/igb/igb_main.c |    1 +
 1 file changed, 1 insertion(+)
@@ -1127,6 +1127,7 @@ static void igb_set_interrupt_capability
 
 	/* If we can't do MSI-X, try MSI */
 msi_only:
+	adapter->flags &= ~IGB_FLAG_HAS_MSIX;
 #ifdef CONFIG_PCI_IOV
 	/* disable SR-IOV for non MSI-X configurations */
 	if (adapter->vf_data) {

---
 drivers/leds/leds-pwm.c |   23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)
@@ -84,6 +84,15 @@ static inline size_t sizeof_pwm_leds_pri
 		      (sizeof(struct led_pwm_data) * num_leds);
 }
 
+static void led_pwm_cleanup(struct led_pwm_priv *priv)
+{
+	while (priv->num_leds--) {
+		led_classdev_unregister(&priv->leds[priv->num_leds].cdev);
+		if (priv->leds[priv->num_leds].can_sleep)
+			cancel_work_sync(&priv->leds[priv->num_leds].work);
+	}
+}
+
 static int led_pwm_create_of(struct platform_device *pdev,
 			     struct led_pwm_priv *priv)
 {

@@ -131,8 +140,7 @@ static int led_pwm_create_of(struct plat
 
 	return 0;
 err:
-	while (priv->num_leds--)
-		led_classdev_unregister(&priv->leds[priv->num_leds].cdev);
+	led_pwm_cleanup(priv);
 
 	return ret;
 }

@@ -200,8 +208,8 @@ static int led_pwm_probe(struct platform
 	return 0;
 
 err:
-	while (i--)
-		led_classdev_unregister(&priv->leds[i].cdev);
+	priv->num_leds = i;
+	led_pwm_cleanup(priv);
 
 	return ret;
 }

@@ -209,13 +217,8 @@ err:
 static int led_pwm_remove(struct platform_device *pdev)
 {
 	struct led_pwm_priv *priv = platform_get_drvdata(pdev);
-	int i;
 
-	for (i = 0; i < priv->num_leds; i++) {
-		led_classdev_unregister(&priv->leds[i].cdev);
-		if (priv->leds[i].can_sleep)
-			cancel_work_sync(&priv->leds[i].work);
-	}
+	led_pwm_cleanup(priv);
 
 	return 0;
 }

	__dev_change_flags()
		__dev_open()
			ASSERT_RTNL() <-- Assert rtnl lock
			ops->ndo_open()
	ieee80211_do_open()
		drv_start()
			local->ops->start()
	brcms_remove()
		ieee80211_unregister_hw()
			rtnl_lock() <-- Here we deadlock
---
 drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c |   14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)
@@ -426,6 +426,12 @@ static int brcms_ops_start(struct ieee80
 	bool blocked;
 	int err;
 
+	if (!wl->ucode.bcm43xx_bomminor) {
+		err = brcms_request_fw(wl, wl->wlc->hw->d11core);
+		if (err)
+			return -ENOENT;
+	}
+
 	ieee80211_wake_queues(hw);
 	spin_lock_bh(&wl->lock);
 	blocked = brcms_rfkill_set_hw_state(wl);

@@ -433,14 +439,6 @@ static int brcms_ops_start(struct ieee80
 	if (!blocked)
 		wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
 
-	if (!wl->ucode.bcm43xx_bomminor) {
-		err = brcms_request_fw(wl, wl->wlc->hw->d11core);
-		if (err) {
-			brcms_remove(wl->wlc->hw->d11core);
-			return -ENOENT;
-		}
-	}
-
 	spin_lock_bh(&wl->lock);
 	/* avoid acknowledging frames before a non-monitor device is added */
 	wl->mute_tx = true;

---
 Documentation/ja_JP/HOWTO                   |    2 +-
 Documentation/ja_JP/stable_kernel_rules.txt |    6 +++---
 Documentation/zh_CN/HOWTO                   |    2 +-
 Documentation/zh_CN/stable_kernel_rules.txt |    2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)
@@ -315,7 +315,7 @@ Andrew Morton が Linux-kernel メーリ
 もし、3.x.y カーネルが存在しない場合には、番号が一番大きい 3.x が
 最新の安定版カーネルです。
 
-3.x.y は "stable" チーム <[email protected]> でメンテされており、必
+3.x.y は "stable" チーム <[email protected]> でメンテされており、必
 要に応じてリリースされます。通常のリリース期間は 2週間毎ですが、差し迫っ
 た問題がなければもう少し長くなることもあります。セキュリティ関連の問題
 の場合はこれに対してだいたいの場合、すぐにリリースがされます。

@@ -50,16 +50,16 @@ linux-2.6.29/Documentation/stable_kernel
 
 -stable ツリーにパッチを送付する手続き-
 
- - 上記の規則に従っているかを確認した後に、[email protected] にパッチ
+ - 上記の規則に従っているかを確認した後に、[email protected] にパッチ
    を送る。
  - 送信者はパッチがキューに受け付けられた際には ACK を、却下された場合
    には NAK を受け取る。この反応は開発者たちのスケジュールによって、数
    日かかる場合がある。
  - もし受け取られたら、パッチは他の開発者たちと関連するサブシステムの
    メンテナーによるレビューのために -stable キューに追加される。
- - パッチに [email protected] のアドレスが付加されているときには、それ
+ - パッチに [email protected] のアドレスが付加されているときには、それ
    が Linus のツリーに入る時に自動的に stable チームに email される。
- - セキュリティパッチはこのエイリアス ([email protected]) に送られるべ
+ - セキュリティパッチはこのエイリアス ([email protected]) に送られるべ
    きではなく、代わりに [email protected] のアドレスに送られる。
 
 レビューサイクル-

@@ -237,7 +237,7 @@ kernel.org网站的pub/linux/kernel/v2.6
 如果没有2.6.x.y版本内核存在，那么最新的2.6.x版本内核就相当于是当前的稳定
 版内核。
 
-2.6.x.y版本由“稳定版”小组（邮件地址<[email protected]>）维护，一般隔周发
+2.6.x.y版本由“稳定版”小组（邮件地址<[email protected]>）维护，一般隔周发
 布新版本。
 
 内核源码中的Documentation/stable_kernel_rules.txt文件具体描述了可被稳定

@@ -42,7 +42,7 @@ Documentation/stable_kernel_rules.txt �
 
 向稳定版代码树提交补丁的过程：
 
-  - 在确认了补丁符合以上的规则后，将补丁发送到[email protected]。
+  - 在确认了补丁符合以上的规则后，将补丁发送到[email protected]。
   - 如果补丁被接受到队列里，发送者会收到一个ACK回复，如果没有被接受，收
     到的是NAK回复。回复需要几天的时间，这取决于开发者的时间安排。
   - 被接受的补丁会被加到稳定版本队列里，等待其他开发者的审查。

	c 12:34 rw
	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW) {
		if (behavior == DEVCG_DEFAULT_ALLOW) {
			/* the exception will deny access to certain devices */
			return true;
	behavior: allow
	exception: c 12:34 rw
	# mkdir new_group
	# cd new_group
	# echo $$ >tasks
	# echo "c 1:3 w" >devices.deny
	# echo >/dev/null
	# echo $?
	0
	list_for_each_entry_rcu(ex, &dev_cgroup->exceptions, list) {
		if ((refex->type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
			continue;
		if ((refex->type & DEV_CHAR) && !(ex->type & DEV_CHAR))
			continue;
		if (ex->major != ~0 && ex->major != refex->major)
			continue;
		if (ex->minor != ~0 && ex->minor != refex->minor)
			continue;
		if (refex->access & (~ex->access))
			continue;
		match = true;
		break;
	}
	New exception		Existing	match?	notes
	b 12:34 rwm		b 12:34 rwm	yes
	b 12:34 r		b *:34 rw	yes
	b 12:34 rw		b 12:34 w	no	extra "r"
	b *:34 rw		b 12:34 rw	no	too broad "*"
	b *:34 rw		b *:34 rwm	yes
	New exception	Existing in A	match?	outcome
	b 12:34 rw	b 12:34 r	no	exception is accepted
	Access		Exception	match?
	b 12:34 rw	b 12:34 r	no
---
 security/device_cgroup.c |  162 +++++++++++++++++++++++++++++++++++------------
 1 file changed, 122 insertions(+), 40 deletions(-)
@@ -308,57 +308,139 @@ static int devcgroup_seq_show(struct seq
 }
 
 /**
- * may_access - verifies if a new exception is part of what is allowed
- *		by a dev cgroup based on the default policy +
- *		exceptions. This is used to make sure a child cgroup
- *		won't have more privileges than its parent or to
- *		verify if a certain access is allowed.
- * @dev_cgroup: dev cgroup to be tested against
- * @refex: new exception
- * @behavior: behavior of the exception
+ * match_exception	- iterates the exception list trying to match a rule
+ * 			  based on type, major, minor and access type. It is
+ * 			  considered a match if an exception is found that
+ * 			  will contain the entire range of provided parameters.
+ * @exceptions: list of exceptions
+ * @type: device type (DEV_BLOCK or DEV_CHAR)
+ * @major: device file major number, ~0 to match all
+ * @minor: device file minor number, ~0 to match all
+ * @access: permission mask (ACC_READ, ACC_WRITE, ACC_MKNOD)
+ *
+ * returns: true in case it matches an exception completely
  */
-static bool may_access(struct dev_cgroup *dev_cgroup,
-		       struct dev_exception_item *refex,
-		       enum devcg_behavior behavior)
+static bool match_exception(struct list_head *exceptions, short type,
+			    u32 major, u32 minor, short access)
 {
 	struct dev_exception_item *ex;
-	bool match = false;
 
-	rcu_lockdep_assert(rcu_read_lock_held() ||
-			   lockdep_is_held(&devcgroup_mutex),
-			   "device_cgroup::may_access() called without proper synchronization");
+	list_for_each_entry_rcu(ex, exceptions, list) {
+		if ((type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
+			continue;
+		if ((type & DEV_CHAR) && !(ex->type & DEV_CHAR))
+			continue;
+		if (ex->major != ~0 && ex->major != major)
+			continue;
+		if (ex->minor != ~0 && ex->minor != minor)
+			continue;
+		/* provided access cannot have more than the exception rule */
+		if (access & (~ex->access))
+			continue;
+		return true;
+	}
+	return false;
+}
+
+/**
+ * match_exception_partial - iterates the exception list trying to match a rule
+ * 			     based on type, major, minor and access type. It is
+ * 			     considered a match if an exception's range is
+ * 			     found to contain *any* of the devices specified by
+ * 			     provided parameters. This is used to make sure no
+ * 			     extra access is being granted that is forbidden by
+ * 			     any of the exception list.
+ * @exceptions: list of exceptions
+ * @type: device type (DEV_BLOCK or DEV_CHAR)
+ * @major: device file major number, ~0 to match all
+ * @minor: device file minor number, ~0 to match all
+ * @access: permission mask (ACC_READ, ACC_WRITE, ACC_MKNOD)
+ *
+ * returns: true in case the provided range mat matches an exception completely
+ */
+static bool match_exception_partial(struct list_head *exceptions, short type,
+				    u32 major, u32 minor, short access)
+{
+	struct dev_exception_item *ex;
 
-	list_for_each_entry_rcu(ex, &dev_cgroup->exceptions, list) {
-		if ((refex->type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
+	list_for_each_entry_rcu(ex, exceptions, list) {
+		if ((type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
 			continue;
-		if ((refex->type & DEV_CHAR) && !(ex->type & DEV_CHAR))
+		if ((type & DEV_CHAR) && !(ex->type & DEV_CHAR))
 			continue;
-		if (ex->major != ~0 && ex->major != refex->major)
+		/*
+		 * We must be sure that both the exception and the provided
+		 * range aren't masking all devices
+		 */
+		if (ex->major != ~0 && major != ~0 && ex->major != major)
 			continue;
-		if (ex->minor != ~0 && ex->minor != refex->minor)
+		if (ex->minor != ~0 && minor != ~0 && ex->minor != minor)
 			continue;
-		if (refex->access & (~ex->access))
+		/*
+		 * In order to make sure the provided range isn't matching
+		 * an exception, all its access bits shouldn't match the
+		 * exception's access bits
+		 */
+		if (!(access & ex->access))
 			continue;
-		match = true;
-		break;
+		return true;
 	}
+	return false;
+}
+
+/**
+ * verify_new_ex - verifies if a new exception is part of what is allowed
+ *		   by a dev cgroup based on the default policy +
+ *		   exceptions. This is used to make sure a child cgroup
+ *		   won't have more privileges than its parent
+ * @dev_cgroup: dev cgroup to be tested against
+ * @refex: new exception
+ * @behavior: behavior of the exception's dev_cgroup
+ */
+static bool verify_new_ex(struct dev_cgroup *dev_cgroup,
+		          struct dev_exception_item *refex,
+		          enum devcg_behavior behavior)
+{
+	bool match = false;
+
+	rcu_lockdep_assert(rcu_read_lock_held() ||
+			   lockdep_is_held(&devcgroup_mutex),
+			   "device_cgroup:verify_new_ex called without proper synchronization");
 
 	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW) {
 		if (behavior == DEVCG_DEFAULT_ALLOW) {
-			/* the exception will deny access to certain devices */
+			/*
+			 * new exception in the child doesn't matter, only
+			 * adding extra restrictions
+			 */
 			return true;
 		} else {
-			/* the exception will allow access to certain devices */
+			/*
+			 * new exception in the child will add more devices
+			 * that can be acessed, so it can't match any of
+			 * parent's exceptions, even slightly
+			 */
+			match = match_exception_partial(&dev_cgroup->exceptions,
+							refex->type,
+							refex->major,
+							refex->minor,
+							refex->access);
+
 			if (match)
-				/*
-				 * a new exception allowing access shouldn't
-				 * match an parent's exception
-				 */
 				return false;
 			return true;
 		}
 	} else {
-		/* only behavior == DEVCG_DEFAULT_DENY allowed here */
+		/*
+		 * Only behavior == DEVCG_DEFAULT_DENY allowed here, therefore
+		 * the new exception will add access to more devices and must
+		 * be contained completely in an parent's exception to be
+		 * allowed
+		 */
+		match = match_exception(&dev_cgroup->exceptions, refex->type,
+					refex->major, refex->minor,
+					refex->access);
+
 		if (match)
 			/* parent has an exception that matches the proposed */
 			return true;

@@ -380,7 +462,7 @@ static int parent_has_perm(struct dev_cg
 
 	if (!parent)
 		return 1;
-	return may_access(parent, ex, childcg->behavior);
+	return verify_new_ex(parent, ex, childcg->behavior);
 }
 
 /**

@@ -708,18 +790,18 @@ static int __devcgroup_check_permission(
 				        short access)
 {
 	struct dev_cgroup *dev_cgroup;
-	struct dev_exception_item ex;
-	int rc;
-
-	memset(&ex, 0, sizeof(ex));
-	ex.type = type;
-	ex.major = major;
-	ex.minor = minor;
-	ex.access = access;
+	bool rc;
 
 	rcu_read_lock();
 	dev_cgroup = task_devcgroup(current);
-	rc = may_access(dev_cgroup, &ex, dev_cgroup->behavior);
+	if (dev_cgroup->behavior == DEVCG_DEFAULT_ALLOW)
+		/* Can't match any of the exceptions, even partially */
+		rc = !match_exception_partial(&dev_cgroup->exceptions,
+					      type, major, minor, access);
+	else
+		/* Need to match completely one exception to be allowed */
+		rc = match_exception(&dev_cgroup->exceptions, type, major,
+				     minor, access);
 	rcu_read_unlock();
 
 	if (!rc)

	# echo 'a' >A/devices.allow
	# echo 'c 1:3 rw' >A/devices.deny
	# echo $$ >A/B/tasks
	# echo >/dev/null
	-bash: /dev/null: Operation not permitted
	# echo 'c 1:3 w' >A/B/devices.allow
	# echo >/dev/null
	#
---
 security/device_cgroup.c |   41 ++++++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)
@@ -466,6 +466,37 @@ static int parent_has_perm(struct dev_cg
 }
 
 /**
+ * parent_allows_removal - verify if it's ok to remove an exception
+ * @childcg: child cgroup from where the exception will be removed
+ * @ex: exception being removed
+ *
+ * When removing an exception in cgroups with default ALLOW policy, it must
+ * be checked if removing it will give the child cgroup more access than the
+ * parent.
+ *
+ * Return: true if it's ok to remove exception, false otherwise
+ */
+static bool parent_allows_removal(struct dev_cgroup *childcg,
+				  struct dev_exception_item *ex)
+{
+	struct dev_cgroup *parent = css_to_devcgroup(css_parent(&childcg->css));
+
+	if (!parent)
+		return true;
+
+	/* It's always allowed to remove access to devices */
+	if (childcg->behavior == DEVCG_DEFAULT_DENY)
+		return true;
+
+	/*
+	 * Make sure you're not removing part or a whole exception existing in
+	 * the parent cgroup
+	 */
+	return !match_exception_partial(&parent->exceptions, ex->type,
+					ex->major, ex->minor, ex->access);
+}
+
+/**
  * may_allow_all - checks if it's possible to change the behavior to
  *		   allow based on parent's rules.
  * @parent: device cgroup's parent

@@ -700,17 +731,21 @@ static int devcgroup_update_access(struc
 
 	switch (filetype) {
 	case DEVCG_ALLOW:
-		if (!parent_has_perm(devcgroup, &ex))
-			return -EPERM;
 		/*
 		 * If the default policy is to allow by default, try to remove
 		 * an matching exception instead. And be silent about it: we
 		 * don't want to break compatibility
 		 */
 		if (devcgroup->behavior == DEVCG_DEFAULT_ALLOW) {
+			/* Check if the parent allows removing it first */
+			if (!parent_allows_removal(devcgroup, &ex))
+				return -EPERM;
 			dev_exception_rm(devcgroup, &ex);
-			return 0;
+			break;
 		}
+
+		if (!parent_has_perm(devcgroup, &ex))
+			return -EPERM;
 		rc = dev_exception_add(devcgroup, &ex);
 		break;
 	case DEVCG_DENY:

---
 crypto/crypto_wq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -33,7 +33,7 @@ static void __exit crypto_wq_exit(void)
 	destroy_workqueue(kcrypto_wq);
 }
 
-module_init(crypto_wq_init);
+subsys_initcall(crypto_wq_init);
 module_exit(crypto_wq_exit);
 
 MODULE_LICENSE("GPL");

---
 drivers/clk/versatile/clk-vexpress-osc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -102,7 +102,7 @@ void __init vexpress_osc_of_setup(struct
 
 	osc = kzalloc(sizeof(*osc), GFP_KERNEL);
 	if (!osc)
-		goto error;
+		return;
 
 	osc->func = vexpress_config_func_get_by_node(node);
 	if (!osc->func) {

---
 Documentation/i2c/busses/i2c-i801 |    1 +
 drivers/i2c/busses/Kconfig        |    1 +
 drivers/i2c/busses/i2c-i801.c     |    3 +++
 3 files changed, 5 insertions(+)
@@ -26,6 +26,7 @@ Supported adapters:
   * Intel Wellsburg (PCH)
   * Intel Coleto Creek (PCH)
   * Intel Wildcat Point-LP (PCH)
+  * Intel BayTrail (SOC)
    Datasheets: Publicly available at the Intel website
 
 On Intel Patsburg and later chipsets, both the normal host SMBus controller

@@ -110,6 +110,7 @@ config I2C_I801
 	    Wellsburg (PCH)
 	    Coleto Creek (PCH)
 	    Wildcat Point-LP (PCH)
+	    BayTrail (SOC)
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.

@@ -60,6 +60,7 @@
   Wellsburg (PCH) MS    0x8d7f     32     hard     yes     yes     yes
   Coleto Creek (PCH)    0x23b0     32     hard     yes     yes     yes
   Wildcat Point-LP (PCH)   0x9ca2     32     hard     yes     yes     yes
+  BayTrail (SOC)        0x0f12     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no

@@ -161,6 +162,7 @@
 				 STATUS_ERROR_FLAGS)
 
 /* Older devices have their ID defined in <linux/pci_ids.h> */
+#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS	0x0f12
 #define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS	0x1c22
 #define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS	0x1d22
 /* Patsburg also has three 'Integrated Device Function' SMBus controllers */

@@ -822,6 +824,7 @@ static DEFINE_PCI_DEVICE_TABLE(i801_ids)
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS) },
 	{ 0, }
 };
 

---
 drivers/input/serio/serio.c |   14 ++++++++++++++
 include/linux/serio.h       |    1 +
 2 files changed, 15 insertions(+)
@@ -451,6 +451,13 @@ static ssize_t serio_set_bind_mode(struc
 	return retval;
 }
 
+static ssize_t firmware_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct serio *serio = to_serio_port(dev);
+
+	return sprintf(buf, "%s\n", serio->firmware_id);
+}
+
 static DEVICE_ATTR_RO(type);
 static DEVICE_ATTR_RO(proto);
 static DEVICE_ATTR_RO(id);

@@ -473,12 +480,14 @@ static DEVICE_ATTR_RO(modalias);
 static DEVICE_ATTR_WO(drvctl);
 static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL);
 static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode);
+static DEVICE_ATTR_RO(firmware_id);
 
 static struct attribute *serio_device_attrs[] = {
 	&dev_attr_modalias.attr,
 	&dev_attr_description.attr,
 	&dev_attr_drvctl.attr,
 	&dev_attr_bind_mode.attr,
+	&dev_attr_firmware_id.attr,
 	NULL
 };
 

@@ -921,9 +930,14 @@ static int serio_uevent(struct device *d
 	SERIO_ADD_UEVENT_VAR("SERIO_PROTO=%02x", serio->id.proto);
 	SERIO_ADD_UEVENT_VAR("SERIO_ID=%02x", serio->id.id);
 	SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
+
 	SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
 				serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
 
+	if (serio->firmware_id[0])
+		SERIO_ADD_UEVENT_VAR("SERIO_FIRMWARE_ID=%s",
+				     serio->firmware_id);
+
 	return 0;
 }
 #undef SERIO_ADD_UEVENT_VAR

@@ -23,6 +23,7 @@ struct serio {
 
 	char name[32];
 	char phys[32];
+	char firmware_id[128];
 
 	bool manual_bind;
 

---
 drivers/input/serio/i8042-x86ia64io.h |   15 +++++++++++++++
 drivers/input/serio/i8042.c           |    6 ++++++
 2 files changed, 21 insertions(+)
@@ -702,6 +702,17 @@ static int i8042_pnp_aux_irq;
 static char i8042_pnp_kbd_name[32];
 static char i8042_pnp_aux_name[32];
 
+static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
+{
+	strlcpy(dst, "PNP:", dst_size);
+
+	while (id) {
+		strlcat(dst, " ", dst_size);
+		strlcat(dst, id->id, dst_size);
+		id = id->next;
+	}
+}
+
 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
 {
 	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)

@@ -718,6 +729,8 @@ static int i8042_pnp_kbd_probe(struct pn
 		strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
 		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 	}
+	i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
+			       sizeof(i8042_kbd_firmware_id));
 
 	/* Keyboard ports are always supposed to be wakeup-enabled */
 	device_set_wakeup_enable(&dev->dev, true);

@@ -742,6 +755,8 @@ static int i8042_pnp_aux_probe(struct pn
 		strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
 		strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
 	}
+	i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
+			       sizeof(i8042_aux_firmware_id));
 
 	i8042_pnp_aux_devices++;
 	return 0;

@@ -87,6 +87,8 @@ MODULE_PARM_DESC(debug, "Turn i8042 debu
 #endif
 
 static bool i8042_bypass_aux_irq_test;
+static char i8042_kbd_firmware_id[128];
+static char i8042_aux_firmware_id[128];
 
 #include "i8042.h"
 

@@ -1218,6 +1220,8 @@ static int __init i8042_create_kbd_port(
 	serio->dev.parent	= &i8042_platform_device->dev;
 	strlcpy(serio->name, "i8042 KBD port", sizeof(serio->name));
 	strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));
+	strlcpy(serio->firmware_id, i8042_kbd_firmware_id,
+		sizeof(serio->firmware_id));
 
 	port->serio = serio;
 	port->irq = I8042_KBD_IRQ;

@@ -1244,6 +1248,8 @@ static int __init i8042_create_aux_port(
 	if (idx < 0) {
 		strlcpy(serio->name, "i8042 AUX port", sizeof(serio->name));
 		strlcpy(serio->phys, I8042_AUX_PHYS_DESC, sizeof(serio->phys));
+		strlcpy(serio->firmware_id, i8042_aux_firmware_id,
+			sizeof(serio->firmware_id));
 		serio->close = i8042_port_close;
 	} else {
 		snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", idx);

---
 include/uapi/linux/input.h |    1 +
 1 file changed, 1 insertion(+)
@@ -164,6 +164,7 @@ struct input_keymap_entry {
 #define INPUT_PROP_DIRECT		0x01	/* direct input devices */
 #define INPUT_PROP_BUTTONPAD		0x02	/* has button(s) under pad */
 #define INPUT_PROP_SEMI_MT		0x03	/* touch rectangle only */
+#define INPUT_PROP_TOPBUTTONPAD		0x04	/* softbuttons at top of pad */
 
 #define INPUT_PROP_MAX			0x1f
 #define INPUT_PROP_CNT			(INPUT_PROP_MAX + 1)

---
 drivers/input/mouse/synaptics.c |   55 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 53 insertions(+), 2 deletions(-)
@@ -117,6 +117,44 @@ void synaptics_reset(struct psmouse *psm
 }
 
 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+/* This list has been kindly provided by Synaptics. */
+static const char * const topbuttonpad_pnp_ids[] = {
+	"LEN0017",
+	"LEN0018",
+	"LEN0019",
+	"LEN0023",
+	"LEN002A",
+	"LEN002B",
+	"LEN002C",
+	"LEN002D",
+	"LEN002E",
+	"LEN0033", /* Helix */
+	"LEN0034", /* T431s, T540, X1 Carbon 2nd */
+	"LEN0035", /* X240 */
+	"LEN0036", /* T440 */
+	"LEN0037",
+	"LEN0038",
+	"LEN0041",
+	"LEN0042", /* Yoga */
+	"LEN0045",
+	"LEN0046",
+	"LEN0047",
+	"LEN0048",
+	"LEN0049",
+	"LEN2000",
+	"LEN2001",
+	"LEN2002",
+	"LEN2003",
+	"LEN2004", /* L440 */
+	"LEN2005",
+	"LEN2006",
+	"LEN2007",
+	"LEN2008",
+	"LEN2009",
+	"LEN200A",
+	"LEN200B",
+	NULL
+};
 
 /*****************************************************************************
  *	Synaptics communications functions

@@ -1255,8 +1293,10 @@ static void set_abs_position_params(stru
 	input_abs_set_res(dev, y_code, priv->y_res);
 }
 
-static void set_input_params(struct input_dev *dev, struct synaptics_data *priv)
+static void set_input_params(struct psmouse *psmouse,
+			     struct synaptics_data *priv)
 {
+	struct input_dev *dev = psmouse->dev;
 	int i;
 
 	/* Things that apply to both modes */

@@ -1325,6 +1365,17 @@ static void set_input_params(struct inpu
 
 	if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
 		__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
+		/* See if this buttonpad has a top button area */
+		if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
+			for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
+				if (strstr(psmouse->ps2dev.serio->firmware_id,
+					   topbuttonpad_pnp_ids[i])) {
+					__set_bit(INPUT_PROP_TOPBUTTONPAD,
+						  dev->propbit);
+					break;
+				}
+			}
+		}
 		/* Clickpads report only left button */
 		__clear_bit(BTN_RIGHT, dev->keybit);
 		__clear_bit(BTN_MIDDLE, dev->keybit);

@@ -1643,7 +1694,7 @@ static int __synaptics_init(struct psmou
 		     priv->capabilities, priv->ext_cap, priv->ext_cap_0c,
 		     priv->board_id, priv->firmware_id);
 
-	set_input_params(psmouse->dev, priv);
+	set_input_params(psmouse, priv);
 
 	/*
 	 * Encode touchpad model so that it can be used to set

---
 drivers/net/ethernet/intel/e1000e/netdev.c |   20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)
@@ -2976,11 +2976,21 @@ static void e1000_setup_rctl(struct e100
 	u32 rctl, rfctl;
 	u32 pages = 0;
 
-	/* Workaround Si errata on PCHx - configure jumbo frame flow */
-	if ((hw->mac.type >= e1000_pch2lan) &&
-	    (adapter->netdev->mtu > ETH_DATA_LEN) &&
-	    e1000_lv_jumbo_workaround_ich8lan(hw, true))
-		e_dbg("failed to enable jumbo frame workaround mode\n");
+	/* Workaround Si errata on PCHx - configure jumbo frame flow.
+	 * If jumbo frames not set, program related MAC/PHY registers
+	 * to h/w defaults
+	 */
+	if (hw->mac.type >= e1000_pch2lan) {
+		s32 ret_val;
+
+		if (adapter->netdev->mtu > ETH_DATA_LEN)
+			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
+		else
+			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
+
+		if (ret_val)
+			e_dbg("failed to enable|disable jumbo frame workaround mode\n");
+	}
 
 	/* Program MC offset vector base */
 	rctl = er32(RCTL);

---
 fs/ceph/dir.c   |    9 +++----
 fs/ceph/inode.c |   71 ++++++++++++--------------------------------------------
 fs/ceph/super.h |    1 
 3 files changed, 21 insertions(+), 60 deletions(-)
@@ -446,7 +446,6 @@ more:
 	if (atomic_read(&ci->i_release_count) == fi->dir_release_count) {
 		dout(" marking %p complete\n", inode);
 		__ceph_dir_set_complete(ci, fi->dir_release_count);
-		ci->i_max_offset = ctx->pos;
 	}
 	spin_unlock(&ci->i_ceph_lock);
 

@@ -932,14 +931,16 @@ static int ceph_rename(struct inode *old
 		 * to do it here.
 		 */
 
-		/* d_move screws up d_subdirs order */
-		ceph_dir_clear_complete(new_dir);
-
 		d_move(old_dentry, new_dentry);
 
 		/* ensure target dentry is invalidated, despite
 		   rehashing bug in vfs_rename_dir */
 		ceph_invalidate_dentry_lease(new_dentry);
+
+		/* d_move screws up sibling dentries' offsets */
+		ceph_dir_clear_complete(old_dir);
+		ceph_dir_clear_complete(new_dir);
+
 	}
 	ceph_mdsc_put_request(req);
 	return err;

@@ -266,7 +266,6 @@ struct ceph_inode_info {
 	struct timespec i_rctime;
 	u64 i_rbytes, i_rfiles, i_rsubdirs;
 	u64 i_files, i_subdirs;
-	u64 i_max_offset;  /* largest readdir offset, set with complete dir */
 
 	struct rb_root i_fragtree;
 	struct mutex i_fragtree_mutex;

---
 fs/autofs4/root.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -179,7 +179,7 @@ static struct dentry *autofs4_lookup_act
 		spin_lock(&active->d_lock);
 
 		/* Already gone? */
-		if (!d_count(active))
+		if ((int) d_count(active) <= 0)
 			goto next;
 
 		qstr = &active->d_name;

@@ -230,7 +230,7 @@ static struct dentry *autofs4_lookup_exp
 
 		spin_lock(&expiring->d_lock);
 
-		/* Bad luck, we've already been dentry_iput */
+		/* We've already been dentry_iput or unlinked */
 		if (!expiring->d_inode)
 			goto next;
 

---
 fs/dcache.c |    3 +--
 fs/namei.c  |    6 +++---
 2 files changed, 4 insertions(+), 5 deletions(-)
@@ -1647,8 +1647,7 @@ static void __d_instantiate(struct dentr
 	unsigned add_flags = d_flags_for_inode(inode);
 
 	spin_lock(&dentry->d_lock);
-	dentry->d_flags &= ~DCACHE_ENTRY_TYPE;
-	dentry->d_flags |= add_flags;
+	__d_set_type(dentry, add_flags);
 	if (inode)
 		hlist_add_head(&dentry->d_alias, &inode->i_dentry);
 	dentry->d_inode = inode;

@@ -1537,7 +1537,7 @@ static inline int walk_component(struct
 		inode = path->dentry->d_inode;
 	}
 	err = -ENOENT;
-	if (!inode)
+	if (!inode || d_is_negative(path->dentry))
 		goto out_path_put;
 
 	if (should_follow_link(path->dentry, follow)) {

@@ -2240,7 +2240,7 @@ mountpoint_last(struct nameidata *nd, st
 	mutex_unlock(&dir->d_inode->i_mutex);
 
 done:
-	if (!dentry->d_inode) {
+	if (!dentry->d_inode || d_is_negative(dentry)) {
 		error = -ENOENT;
 		dput(dentry);
 		goto out;

@@ -2982,7 +2982,7 @@ retry_lookup:
 finish_lookup:
 	/* we _can_ be in RCU mode here */
 	error = -ENOENT;
-	if (d_is_negative(path->dentry)) {
+	if (!inode || d_is_negative(path->dentry)) {
 		path_to_nameidata(path, nd);
 		goto out;
 	}

---
 include/trace/events/module.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -78,7 +78,7 @@ DECLARE_EVENT_CLASS(module_refcnt,
 
 	TP_fast_assign(
 		__entry->ip	= ip;
-		__entry->refcnt	= __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs);
+		__entry->refcnt	= __this_cpu_read(mod->refptr->incs) - __this_cpu_read(mod->refptr->decs);
 		__assign_str(name, mod->name);
 	),
 

---
 drivers/input/keyboard/atkbd.c |   29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)
@@ -243,6 +243,12 @@ static void (*atkbd_platform_fixup)(stru
 static void *atkbd_platform_fixup_data;
 static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
 
+/*
+ * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding
+ * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed.
+ */
+static bool atkbd_skip_deactivate;
+
 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
 				ssize_t (*handler)(struct atkbd *, char *));
 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,

@@ -768,7 +774,8 @@ static int atkbd_probe(struct atkbd *atk
  * Make sure nothing is coming from the keyboard and disturbs our
  * internal state.
  */
-	atkbd_deactivate(atkbd);
+	if (!atkbd_skip_deactivate)
+		atkbd_deactivate(atkbd);
 
 	return 0;
 }

@@ -1638,6 +1645,12 @@ static int __init atkbd_setup_scancode_f
 	return 1;
 }
 
+static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id)
+{
+	atkbd_skip_deactivate = true;
+	return 1;
+}
+
 static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
 	{
 		.matches = {

@@ -1775,6 +1788,20 @@ static const struct dmi_system_id atkbd_
 		.callback = atkbd_setup_scancode_fixup,
 		.driver_data = atkbd_oqo_01plus_scancode_fixup,
 	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"),
+		},
+		.callback = atkbd_deactivate_fixup,
+	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"),
+		},
+		.callback = atkbd_deactivate_fixup,
+	},
 	{ }
 };
 

---
 Documentation/input/elantech.txt |    5 ++++-
 drivers/input/mouse/elantech.c   |   26 +++++++++++++++++++++++++-
 drivers/input/mouse/elantech.h   |    1 +
 3 files changed, 30 insertions(+), 2 deletions(-)
@@ -504,9 +504,12 @@ byte 5:
 * reg_10
 
    bit   7   6   5   4   3   2   1   0
-         0   0   0   0   0   0   0   A
+         0   0   0   0   R   F   T   A
 
          A: 1 = enable absolute tracking
+         T: 1 = enable two finger mode auto correct
+         F: 1 = disable ABS Position Filter
+         R: 1 = enable real hardware resolution
 
 6.2 Native absolute mode 6 byte packet format
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

@@ -11,6 +11,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/dmi.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/input.h>

@@ -831,7 +832,11 @@ static int elantech_set_absolute_mode(st
 		break;
 
 	case 3:
-		etd->reg_10 = 0x0b;
+		if (etd->set_hw_resolution)
+			etd->reg_10 = 0x0b;
+		else
+			etd->reg_10 = 0x03;
+
 		if (elantech_write_reg(psmouse, 0x10, etd->reg_10))
 			rc = -1;
 

@@ -1331,6 +1336,22 @@ static int elantech_reconnect(struct psm
 }
 
 /*
+ * Some hw_version 3 models go into error state when we try to set bit 3 of r10
+ */
+static const struct dmi_system_id no_hw_res_dmi_table[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+	{
+		/* Gigabyte U2442 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "U2442"),
+		},
+	},
+#endif
+	{ }
+};
+
+/*
  * determine hardware version and set some properties according to it.
  */
 static int elantech_set_properties(struct elantech_data *etd)

@@ -1389,6 +1410,9 @@ static int elantech_set_properties(struc
 	 */
 	etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
 
+	/* Enable real hardware resolution on hw_version 3 ? */
+	etd->set_hw_resolution = !dmi_check_system(no_hw_res_dmi_table);
+
 	return 0;
 }
 

@@ -130,6 +130,7 @@ struct elantech_data {
 	bool jumpy_cursor;
 	bool reports_pressure;
 	bool crc_enabled;
+	bool set_hw_resolution;
 	unsigned char hw_version;
 	unsigned int fw_version;
 	unsigned int single_finger_reports;

---
 drivers/input/mouse/synaptics.c |    8 ++++++++
 1 file changed, 8 insertions(+)
@@ -1614,6 +1614,14 @@ static const struct dmi_system_id min_ma
 		.driver_data = (int []){1024, 5112, 2024, 4832},
 	},
 	{
+		/* Lenovo ThinkPad W540 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W540"),
+		},
+		.driver_data = (int []){1024, 5112, 2024, 4832},
+	},
+	{
 		/* Lenovo Yoga S1 */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),

---
 drivers/input/mouse/synaptics.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1603,7 +1603,7 @@ static const struct dmi_system_id min_ma
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
 			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T540"),
 		},
-		.driver_data = (int []){1024, 5056, 2058, 4832},
+		.driver_data = (int []){1024, 5112, 2024, 4832},
 	},
 	{
 		/* Lenovo ThinkPad L540 */

---
 drivers/input/mouse/synaptics.c |   25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)
@@ -156,6 +156,18 @@ static const char * const topbuttonpad_p
 	NULL
 };
 
+static bool matches_pnp_id(struct psmouse *psmouse, const char * const ids[])
+{
+	int i;
+
+	if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4))
+		for (i = 0; ids[i]; i++)
+			if (strstr(psmouse->ps2dev.serio->firmware_id, ids[i]))
+				return true;
+
+	return false;
+}
+
 /*****************************************************************************
  *	Synaptics communications functions
  ****************************************************************************/

@@ -1365,17 +1377,8 @@ static void set_input_params(struct psmo
 
 	if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) {
 		__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
-		/* See if this buttonpad has a top button area */
-		if (!strncmp(psmouse->ps2dev.serio->firmware_id, "PNP:", 4)) {
-			for (i = 0; topbuttonpad_pnp_ids[i]; i++) {
-				if (strstr(psmouse->ps2dev.serio->firmware_id,
-					   topbuttonpad_pnp_ids[i])) {
-					__set_bit(INPUT_PROP_TOPBUTTONPAD,
-						  dev->propbit);
-					break;
-				}
-			}
-		}
+		if (matches_pnp_id(psmouse, topbuttonpad_pnp_ids))
+			__set_bit(INPUT_PROP_TOPBUTTONPAD, dev->propbit);
 		/* Clickpads report only left button */
 		__clear_bit(BTN_RIGHT, dev->keybit);
 		__clear_bit(BTN_MIDDLE, dev->keybit);

---
 drivers/input/mouse/synaptics.c |  149 +++++++++-------------------------------
 1 file changed, 36 insertions(+), 113 deletions(-)
@@ -117,6 +117,31 @@ void synaptics_reset(struct psmouse *psm
 }
 
 #ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+struct min_max_quirk {
+	const char * const *pnp_ids;
+	int x_min, x_max, y_min, y_max;
+};
+
+static const struct min_max_quirk min_max_pnpid_table[] = {
+	{
+		(const char * const []){"LEN0033", NULL},
+		1024, 5052, 2258, 4832
+	},
+	{
+		(const char * const []){"LEN0035", "LEN0042", NULL},
+		1232, 5710, 1156, 4696
+	},
+	{
+		(const char * const []){"LEN0034", "LEN0036", "LEN2004", NULL},
+		1024, 5112, 2024, 4832
+	},
+	{
+		(const char * const []){"LEN2001", NULL},
+		1024, 5022, 2508, 4832
+	},
+	{ }
+};
+
 /* This list has been kindly provided by Synaptics. */
 static const char * const topbuttonpad_pnp_ids[] = {
 	"LEN0017",

@@ -129,7 +154,7 @@ static const char * const topbuttonpad_p
 	"LEN002D",
 	"LEN002E",
 	"LEN0033", /* Helix */
-	"LEN0034", /* T431s, T540, X1 Carbon 2nd */
+	"LEN0034", /* T431s, L440, L540, T540, W540, X1 Carbon 2nd */
 	"LEN0035", /* X240 */
 	"LEN0036", /* T440 */
 	"LEN0037",

@@ -142,7 +167,7 @@ static const char * const topbuttonpad_p
 	"LEN0048",
 	"LEN0049",
 	"LEN2000",
-	"LEN2001",
+	"LEN2001", /* Edge E431 */
 	"LEN2002",
 	"LEN2003",
 	"LEN2004", /* L440 */

@@ -316,20 +341,20 @@ static int synaptics_identify(struct psm
  * Resolution is left zero if touchpad does not support the query
  */
 
-static const int *quirk_min_max;
-
 static int synaptics_resolution(struct psmouse *psmouse)
 {
 	struct synaptics_data *priv = psmouse->private;
 	unsigned char resp[3];
+	int i;
 
-	if (quirk_min_max) {
-		priv->x_min = quirk_min_max[0];
-		priv->x_max = quirk_min_max[1];
-		priv->y_min = quirk_min_max[2];
-		priv->y_max = quirk_min_max[3];
-		return 0;
-	}
+	for (i = 0; min_max_pnpid_table[i].pnp_ids; i++)
+		if (matches_pnp_id(psmouse, min_max_pnpid_table[i].pnp_ids)) {
+			priv->x_min = min_max_pnpid_table[i].x_min;
+			priv->x_max = min_max_pnpid_table[i].x_max;
+			priv->y_min = min_max_pnpid_table[i].y_min;
+			priv->y_max = min_max_pnpid_table[i].y_max;
+			return 0;
+		}
 
 	if (SYN_ID_MAJOR(priv->identity) < 4)
 		return 0;

@@ -1550,112 +1575,10 @@ static const struct dmi_system_id olpc_d
 	{ }
 };
 
-static const struct dmi_system_id min_max_dmi_table[] __initconst = {
-#if defined(CONFIG_DMI)
-	{
-		/* Lenovo ThinkPad Helix */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix"),
-		},
-		.driver_data = (int []){1024, 5052, 2258, 4832},
-	},
-	{
-		/* Lenovo ThinkPad X240 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X240"),
-		},
-		.driver_data = (int []){1232, 5710, 1156, 4696},
-	},
-	{
-		/* Lenovo ThinkPad Edge E431 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Edge E431"),
-		},
-		.driver_data = (int []){1024, 5022, 2508, 4832},
-	},
-	{
-		/* Lenovo ThinkPad T431s */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T431"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo ThinkPad T440s */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T440"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo ThinkPad L440 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L440"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo ThinkPad T540p */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T540"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo ThinkPad L540 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L540"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo ThinkPad W540 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W540"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-	{
-		/* Lenovo Yoga S1 */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
-					"ThinkPad S1 Yoga"),
-		},
-		.driver_data = (int []){1232, 5710, 1156, 4696},
-	},
-	{
-		/* Lenovo ThinkPad X1 Carbon Haswell (3rd generation) */
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION,
-					"ThinkPad X1 Carbon 2nd"),
-		},
-		.driver_data = (int []){1024, 5112, 2024, 4832},
-	},
-#endif
-	{ }
-};
-
 void __init synaptics_module_init(void)
 {
-	const struct dmi_system_id *min_max_dmi;
-
 	impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table);
 	broken_olpc_ec = dmi_check_system(olpc_dmi_table);
-
-	min_max_dmi = dmi_first_match(min_max_dmi_table);
-	if (min_max_dmi)
-		quirk_min_max = min_max_dmi->driver_data;
 }
 
 static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode)

---
 sound/pci/hda/patch_hdmi.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
@@ -1123,8 +1123,10 @@ static void hdmi_setup_audio_infoframe(s
 					    AMP_OUT_UNMUTE);
 
 	eld = &per_pin->sink_eld;
-	if (!eld->monitor_present)
+	if (!eld->monitor_present) {
+		hdmi_set_channel_count(codec, per_pin->cvt_nid, channels);
 		return;
+	}
 
 	if (!non_pcm && per_pin->chmap_set)
 		ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);

---
 sound/pci/hda/hda_intel.c |    3 +++
 1 file changed, 3 insertions(+)
@@ -3988,6 +3988,9 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids)
 	/* Lynx Point */
 	{ PCI_DEVICE(0x8086, 0x8c20),
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+	/* 9 Series */
+	{ PCI_DEVICE(0x8086, 0x8ca0),
+	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
 	/* Wellsburg */
 	{ PCI_DEVICE(0x8086, 0x8d20),
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },

---
 fs/nfsd/nfs4state.c |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)
@@ -1078,6 +1078,18 @@ static struct nfs4_client *alloc_client(
 		return NULL;
 	}
 	clp->cl_name.len = name.len;
+	INIT_LIST_HEAD(&clp->cl_sessions);
+	idr_init(&clp->cl_stateids);
+	atomic_set(&clp->cl_refcount, 0);
+	clp->cl_cb_state = NFSD4_CB_UNKNOWN;
+	INIT_LIST_HEAD(&clp->cl_idhash);
+	INIT_LIST_HEAD(&clp->cl_openowners);
+	INIT_LIST_HEAD(&clp->cl_delegations);
+	INIT_LIST_HEAD(&clp->cl_lru);
+	INIT_LIST_HEAD(&clp->cl_callbacks);
+	INIT_LIST_HEAD(&clp->cl_revoked);
+	spin_lock_init(&clp->cl_lock);
+	rpc_init_wait_queue(&clp->cl_cb_waitq, "Backchannel slot table");
 	return clp;
 }
 

@@ -1347,7 +1359,6 @@ static struct nfs4_client *create_client
 	if (clp == NULL)
 		return NULL;
 
-	INIT_LIST_HEAD(&clp->cl_sessions);
 	ret = copy_cred(&clp->cl_cred, &rqstp->rq_cred);
 	if (ret) {
 		spin_lock(&nn->client_lock);

@@ -1355,20 +1366,9 @@ static struct nfs4_client *create_client
 		spin_unlock(&nn->client_lock);
 		return NULL;
 	}
-	idr_init(&clp->cl_stateids);
-	atomic_set(&clp->cl_refcount, 0);
-	clp->cl_cb_state = NFSD4_CB_UNKNOWN;
-	INIT_LIST_HEAD(&clp->cl_idhash);
-	INIT_LIST_HEAD(&clp->cl_openowners);
-	INIT_LIST_HEAD(&clp->cl_delegations);
-	INIT_LIST_HEAD(&clp->cl_lru);
-	INIT_LIST_HEAD(&clp->cl_callbacks);
-	INIT_LIST_HEAD(&clp->cl_revoked);
-	spin_lock_init(&clp->cl_lock);
 	nfsd4_init_callback(&clp->cl_cb_null);
 	clp->cl_time = get_seconds();
 	clear_bit(0, &clp->cl_cb_slot_busy);
-	rpc_init_wait_queue(&clp->cl_cb_waitq, "Backchannel slot table");
 	copy_verf(clp, verf);
 	rpc_copy_addr((struct sockaddr *) &clp->cl_addr, sa);
 	gen_confirm(clp);

---
 fs/nfsd/nfs4state.c |    1 +
 1 file changed, 1 insertion(+)
@@ -1107,6 +1107,7 @@ free_client(struct nfs4_client *clp)
 		WARN_ON_ONCE(atomic_read(&ses->se_ref));
 		free_session(ses);
 	}
+	rpc_destroy_wait_queue(&clp->cl_cb_waitq);
 	free_svc_cred(&clp->cl_cred);
 	kfree(clp->cl_name.data);
 	idr_destroy(&clp->cl_stateids);

[ 1610.167668] ------------[ cut here ]------------
[ 1610.168320] kernel BUG at /root/nfs/linux/fs/nfsd/nfs4acl.c:239!
[ 1610.168320] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 1610.168320] Modules linked in: nfsv4(OE) nfs(OE) nfsd(OE)
[ 1610.168320] CPU: 0 PID: 27397 Comm: nfsd Tainted: G           OE
3.15.0-rc1+ #15
[ 1610.168320] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS
VirtualBox 12/01/2006
[ 1610.168320] task: ffff88005ab653d0 ti: ffff88005a944000 task.ti:
ffff88005a944000
[ 1610.168320] RIP: 0010:[<ffffffffa034d5ed>]  [<ffffffffa034d5ed>]
_posix_to_nfsv4_one+0x3cd/0x3d0 [nfsd]
[ 1610.168320] RSP: 0018:ffff88005a945b00  EFLAGS: 00010293
[ 1610.168320] RAX: 0000000000000001 RBX: ffff88006700bac0 RCX:
0000000000000000
[ 1610.168320] RDX: 0000000000000000 RSI: ffff880067c83f00 RDI:
ffff880068233300
[ 1610.168320] RBP: ffff88005a945b48 R08: ffffffff81c64830 R09:
0000000000000000
[ 1610.168320] R10: ffff88004ea85be0 R11: 000000000000f475 R12:
ffff880068233300
[ 1610.168320] R13: 0000000000000003 R14: 0000000000000002 R15:
ffff880068233300
[ 1610.168320] FS:  0000000000000000(0000) GS:ffff880077800000(0000)
knlGS:0000000000000000
[ 1610.168320] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1610.168320] CR2: 00007f5bcbd3b0b9 CR3: 0000000001c0f000 CR4:
00000000000006f0
[ 1610.168320] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 1610.168320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 1610.168320] Stack:
[ 1610.168320]  ffffffff00000000 0000000b67c83500 000000076700bac0
0000000000000000
[ 1610.168320]  ffff88006700bac0 ffff880068233300 ffff88005a945c08
0000000000000002
[ 1610.168320]  0000000000000000 ffff88005a945b88 ffffffffa034e2d5
000000065a945b68
[ 1610.168320] Call Trace:
[ 1610.168320]  [<ffffffffa034e2d5>] nfsd4_get_nfs4_acl+0x95/0x150 [nfsd]
[ 1610.168320]  [<ffffffffa03400d6>] nfsd4_encode_fattr+0x646/0x1e70 [nfsd]
[ 1610.168320]  [<ffffffff816a6e6e>] ? kmemleak_alloc+0x4e/0xb0
[ 1610.168320]  [<ffffffffa0327962>] ?
nfsd_setuser_and_check_port+0x52/0x80 [nfsd]
[ 1610.168320]  [<ffffffff812cd4bb>] ? selinux_cred_prepare+0x1b/0x30
[ 1610.168320]  [<ffffffffa0341caa>] nfsd4_encode_getattr+0x5a/0x60 [nfsd]
[ 1610.168320]  [<ffffffffa0341e07>] nfsd4_encode_operation+0x67/0x110
[nfsd]
[ 1610.168320]  [<ffffffffa033844d>] nfsd4_proc_compound+0x21d/0x810 [nfsd]
[ 1610.168320]  [<ffffffffa0324d9b>] nfsd_dispatch+0xbb/0x200 [nfsd]
[ 1610.168320]  [<ffffffffa00850cd>] svc_process_common+0x46d/0x6d0 [sunrpc]
[ 1610.168320]  [<ffffffffa0085433>] svc_process+0x103/0x170 [sunrpc]
[ 1610.168320]  [<ffffffffa032472f>] nfsd+0xbf/0x130 [nfsd]
[ 1610.168320]  [<ffffffffa0324670>] ? nfsd_destroy+0x80/0x80 [nfsd]
[ 1610.168320]  [<ffffffff810a5202>] kthread+0xd2/0xf0
[ 1610.168320]  [<ffffffff810a5130>] ? insert_kthread_work+0x40/0x40
[ 1610.168320]  [<ffffffff816c1ebc>] ret_from_fork+0x7c/0xb0
[ 1610.168320]  [<ffffffff810a5130>] ? insert_kthread_work+0x40/0x40
[ 1610.168320] Code: 78 02 e9 e7 fc ff ff 31 c0 31 d2 31 c9 66 89 45 ce
41 8b 04 24 66 89 55 d0 66 89 4d d2 48 8d 04 80 49 8d 5c 84 04 e9 37 fd
ff ff <0f> 0b 90 0f 1f 44 00 00 55 8b 56 08 c7 07 00 00 00 00 8b 46 0c
[ 1610.168320] RIP  [<ffffffffa034d5ed>] _posix_to_nfsv4_one+0x3cd/0x3d0
[nfsd]
[ 1610.168320]  RSP <ffff88005a945b00>
[ 1610.257313] ---[ end trace 838254e3e352285b ]---
---
 fs/nfsd/nfs4acl.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)
@@ -402,8 +402,10 @@ sort_pacl(struct posix_acl *pacl)
 	 * by uid/gid. */
 	int i, j;
 
-	if (pacl->a_count <= 4)
-		return; /* no users or groups */
+	/* no users or groups */
+	if (!pacl || pacl->a_count <= 4)
+		return;
+
 	i = 1;
 	while (pacl->a_entries[i].e_tag == ACL_USER)
 		i++;

@@ -530,13 +532,12 @@ posix_state_to_acl(struct posix_acl_stat
 
 	/*
 	 * ACLs with no ACEs are treated differently in the inheritable
-	 * and effective cases: when there are no inheritable ACEs, we
-	 * set a zero-length default posix acl:
+	 * and effective cases: when there are no inheritable ACEs,
+	 * calls ->set_acl with a NULL ACL structure.
 	 */
-	if (state->empty && (flags & NFS4_ACL_TYPE_DEFAULT)) {
-		pacl = posix_acl_alloc(0, GFP_KERNEL);
-		return pacl ? pacl : ERR_PTR(-ENOMEM);
-	}
+	if (state->empty && (flags & NFS4_ACL_TYPE_DEFAULT))
+		return NULL;
+
 	/*
 	 * When there are no effective ACEs, the following will end
 	 * up setting a 3-element effective posix ACL with all

---
 fs/nfsd/nfs4state.c |    4 ++++
 1 file changed, 4 insertions(+)
@@ -4156,6 +4156,10 @@ static bool same_lockowner_ino(struct nf
 
 	if (!same_owner_str(&lo->lo_owner, owner, clid))
 		return false;
+	if (list_empty(&lo->lo_owner.so_stateids)) {
+		WARN_ON_ONCE(1);
+		return false;
+	}
 	lst = list_first_entry(&lo->lo_owner.so_stateids,
 			       struct nfs4_ol_stateid, st_perstateowner);
 	return lst->st_file->fi_inode == inode;

---
 fs/nfsd/nfs4state.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
@@ -3714,9 +3714,16 @@ out:
 static __be32
 nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp)
 {
-	if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner)))
+	struct nfs4_lockowner *lo = lockowner(stp->st_stateowner);
+
+	if (check_for_locks(stp->st_file, lo))
 		return nfserr_locks_held;
-	release_lock_stateid(stp);
+	/*
+	 * Currently there's a 1-1 lock stateid<->lockowner
+	 * correspondance, and we have to delete the lockowner when we
+	 * delete the lock stateid:
+	 */
+	unhash_lockowner(lo);
 	return nfs_ok;
 }
 

---
 kernel/workqueue.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
@@ -4093,7 +4093,8 @@ static void wq_update_unbound_numa(struc
 	if (!pwq) {
 		pr_warning("workqueue: allocation failed while updating NUMA affinity of \"%s\"\n",
 			   wq->name);
-		goto out_unlock;
+		mutex_lock(&wq->mutex);
+		goto use_dfl_pwq;
 	}
 
 	/*

---
 kernel/workqueue.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)
@@ -1909,6 +1909,12 @@ static void send_mayday(struct work_stru
 
 	/* mayday mayday mayday */
 	if (list_empty(&pwq->mayday_node)) {
+		/*
+		 * If @pwq is for an unbound wq, its base ref may be put at
+		 * any time due to an attribute change.  Pin @pwq until the
+		 * rescuer is done with it.
+		 */
+		get_pwq(pwq);
 		list_add_tail(&pwq->mayday_node, &wq->maydays);
 		wake_up_process(wq->rescuer->task);
 	}

@@ -2438,6 +2444,12 @@ repeat:
 		process_scheduled_works(rescuer);
 
 		/*
+		 * Put the reference grabbed by send_mayday().  @pool won't
+		 * go away while we're holding its lock.
+		 */
+		put_pwq(pwq);
+
+		/*
 		 * Leave this pool.  If keep_working() is %true, notify a
 		 * regular worker; otherwise, we end up with 0 concurrency
 		 * and stalling the execution.

---
 kernel/workqueue.c |   21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)
@@ -2397,6 +2397,7 @@ static int rescuer_thread(void *__rescue
 	struct worker *rescuer = __rescuer;
 	struct workqueue_struct *wq = rescuer->rescue_wq;
 	struct list_head *scheduled = &rescuer->scheduled;
+	bool should_stop;
 
 	set_user_nice(current, RESCUER_NICE_LEVEL);
 

@@ -2408,11 +2409,15 @@ static int rescuer_thread(void *__rescue
 repeat:
 	set_current_state(TASK_INTERRUPTIBLE);
 
-	if (kthread_should_stop()) {
-		__set_current_state(TASK_RUNNING);
-		rescuer->task->flags &= ~PF_WQ_WORKER;
-		return 0;
-	}
+	/*
+	 * By the time the rescuer is requested to stop, the workqueue
+	 * shouldn't have any work pending, but @wq->maydays may still have
+	 * pwq(s) queued.  This can happen by non-rescuer workers consuming
+	 * all the work items before the rescuer got to them.  Go through
+	 * @wq->maydays processing before acting on should_stop so that the
+	 * list is always empty on exit.
+	 */
+	should_stop = kthread_should_stop();
 
 	/* see whether any pwq is asking for help */
 	spin_lock_irq(&wq_mayday_lock);

@@ -2464,6 +2469,12 @@ repeat:
 
 	spin_unlock_irq(&wq_mayday_lock);
 
+	if (should_stop) {
+		__set_current_state(TASK_RUNNING);
+		rescuer->task->flags &= ~PF_WQ_WORKER;
+		return 0;
+	}
+
 	/* rescuers should never participate in concurrency management */
 	WARN_ON_ONCE(!(rescuer->flags & WORKER_NOT_RUNNING));
 	schedule();

---
 drivers/memory/mvebu-devbus.c |   15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)
@@ -108,8 +108,19 @@ static int devbus_set_timing_params(stru
 			node->full_name);
 		return err;
 	}
-	/* Convert bit width to byte width */
-	r.bus_width /= 8;
+
+	/*
+	 * The bus width is encoded into the register as 0 for 8 bits,
+	 * and 1 for 16 bits, so we do the necessary conversion here.
+	 */
+	if (r.bus_width == 8)
+		r.bus_width = 0;
+	else if (r.bus_width == 16)
+		r.bus_width = 1;
+	else {
+		dev_err(devbus->dev, "invalid bus width %d\n", r.bus_width);
+		return -EINVAL;
+	}
 
 	err = get_timing_param_ps(devbus, node, "devbus,badr-skew-ps",
 				 &r.badr_skew);

---
 drivers/pci/host/pci-mvebu.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -329,7 +329,7 @@ static void mvebu_pcie_handle_iobase_cha
 	port->iowin_base = port->pcie->io.start + iobase;
 	port->iowin_size = ((0xFFF | ((port->bridge.iolimit & 0xF0) << 8) |
 			    (port->bridge.iolimitupper << 16)) -
-			    iobase);
+			    iobase) + 1;
 
 	mvebu_mbus_add_window_remap_by_id(port->io_target, port->io_attr,
 					  port->iowin_base, port->iowin_size,

@@ -362,7 +362,7 @@ static void mvebu_pcie_handle_membase_ch
 	port->memwin_base  = ((port->bridge.membase & 0xFFF0) << 16);
 	port->memwin_size  =
 		(((port->bridge.memlimit & 0xFFF0) << 16) | 0xFFFFF) -
-		port->memwin_base;
+		port->memwin_base + 1;
 
 	mvebu_mbus_add_window_by_id(port->mem_target, port->mem_attr,
 				    port->memwin_base, port->memwin_size);

---
 drivers/bus/mvebu-mbus.c |    6 ------
 1 file changed, 6 deletions(-)
@@ -222,12 +222,6 @@ static int mvebu_mbus_window_conflicts(s
 		 */
 		if ((u64)base < wend && end > wbase)
 			return 0;
-
-		/*
-		 * Check if target/attribute conflicts
-		 */
-		if (target == wtarget && attr == wattr)
-			return 0;
 	}
 
 	return 1;

---
 drivers/pci/host/pci-mvebu.c |   88 ++++++++++++++++++++++++++++++++++++-------
 1 file changed, 74 insertions(+), 14 deletions(-)
@@ -291,6 +291,58 @@ static int mvebu_pcie_hw_wr_conf(struct
 	return PCIBIOS_SUCCESSFUL;
 }
 
+/*
+ * Remove windows, starting from the largest ones to the smallest
+ * ones.
+ */
+static void mvebu_pcie_del_windows(struct mvebu_pcie_port *port,
+				   phys_addr_t base, size_t size)
+{
+	while (size) {
+		size_t sz = 1 << (fls(size) - 1);
+
+		mvebu_mbus_del_window(base, sz);
+		base += sz;
+		size -= sz;
+	}
+}
+
+/*
+ * MBus windows can only have a power of two size, but PCI BARs do not
+ * have this constraint. Therefore, we have to split the PCI BAR into
+ * areas each having a power of two size. We start from the largest
+ * one (i.e highest order bit set in the size).
+ */
+static void mvebu_pcie_add_windows(struct mvebu_pcie_port *port,
+				   unsigned int target, unsigned int attribute,
+				   phys_addr_t base, size_t size,
+				   phys_addr_t remap)
+{
+	size_t size_mapped = 0;
+
+	while (size) {
+		size_t sz = 1 << (fls(size) - 1);
+		int ret;
+
+		ret = mvebu_mbus_add_window_remap_by_id(target, attribute, base,
+							sz, remap);
+		if (ret) {
+			dev_err(&port->pcie->pdev->dev,
+				"Could not create MBus window at 0x%x, size 0x%x: %d\n",
+				base, sz, ret);
+			mvebu_pcie_del_windows(port, base - size_mapped,
+					       size_mapped);
+			return;
+		}
+
+		size -= sz;
+		size_mapped += sz;
+		base += sz;
+		if (remap != MVEBU_MBUS_NO_REMAP)
+			remap += sz;
+	}
+}
+
 static void mvebu_pcie_handle_iobase_change(struct mvebu_pcie_port *port)
 {
 	phys_addr_t iobase;

@@ -302,8 +354,8 @@ static void mvebu_pcie_handle_iobase_cha
 
 		/* If a window was configured, remove it */
 		if (port->iowin_base) {
-			mvebu_mbus_del_window(port->iowin_base,
-					      port->iowin_size);
+			mvebu_pcie_del_windows(port, port->iowin_base,
+					       port->iowin_size);
 			port->iowin_base = 0;
 			port->iowin_size = 0;
 		}

@@ -331,9 +383,9 @@ static void mvebu_pcie_handle_iobase_cha
 			    (port->bridge.iolimitupper << 16)) -
 			    iobase) + 1;
 
-	mvebu_mbus_add_window_remap_by_id(port->io_target, port->io_attr,
-					  port->iowin_base, port->iowin_size,
-					  iobase);
+	mvebu_pcie_add_windows(port, port->io_target, port->io_attr,
+			       port->iowin_base, port->iowin_size,
+			       iobase);
 }
 
 static void mvebu_pcie_handle_membase_change(struct mvebu_pcie_port *port)

@@ -344,8 +396,8 @@ static void mvebu_pcie_handle_membase_ch
 
 		/* If a window was configured, remove it */
 		if (port->memwin_base) {
-			mvebu_mbus_del_window(port->memwin_base,
-					      port->memwin_size);
+			mvebu_pcie_del_windows(port, port->memwin_base,
+					       port->memwin_size);
 			port->memwin_base = 0;
 			port->memwin_size = 0;
 		}

@@ -364,8 +416,9 @@ static void mvebu_pcie_handle_membase_ch
 		(((port->bridge.memlimit & 0xFFF0) << 16) | 0xFFFFF) -
 		port->memwin_base + 1;
 
-	mvebu_mbus_add_window_by_id(port->mem_target, port->mem_attr,
-				    port->memwin_base, port->memwin_size);
+	mvebu_pcie_add_windows(port, port->mem_target, port->mem_attr,
+			       port->memwin_base, port->memwin_size,
+			       MVEBU_MBUS_NO_REMAP);
 }
 
 /*

@@ -721,14 +774,21 @@ static resource_size_t mvebu_pcie_align_
 
 	/*
 	 * On the PCI-to-PCI bridge side, the I/O windows must have at
-	 * least a 64 KB size and be aligned on their size, and the
-	 * memory windows must have at least a 1 MB size and be
-	 * aligned on their size
+	 * least a 64 KB size and the memory windows must have at
+	 * least a 1 MB size. Moreover, MBus windows need to have a
+	 * base address aligned on their size, and their size must be
+	 * a power of two. This means that if the BAR doesn't have a
+	 * power of two size, several MBus windows will actually be
+	 * created. We need to ensure that the biggest MBus window
+	 * (which will be the first one) is aligned on its size, which
+	 * explains the rounddown_pow_of_two() being done here.
 	 */
 	if (res->flags & IORESOURCE_IO)
-		return round_up(start, max_t(resource_size_t, SZ_64K, size));
+		return round_up(start, max_t(resource_size_t, SZ_64K,
+					     rounddown_pow_of_two(size)));
 	else if (res->flags & IORESOURCE_MEM)
-		return round_up(start, max_t(resource_size_t, SZ_1M, size));
+		return round_up(start, max_t(resource_size_t, SZ_1M,
+					     rounddown_pow_of_two(size)));
 	else
 		return start;
 }

---
 arch/arm/mach-mvebu/mvebu-soc-id.c |    1 +
 1 file changed, 1 insertion(+)
@@ -108,6 +108,7 @@ static int __init mvebu_soc_id_init(void
 
 res_ioremap:
 	clk_disable_unprepare(clk);
+	clk_put(clk);
 
 clk_err:
 	of_node_put(child);

---
 arch/arm/mach-mvebu/mvebu-soc-id.c |   14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)
@@ -107,8 +107,18 @@ static int __init mvebu_soc_id_init(void
 	iounmap(pci_base);
 
 res_ioremap:
-	clk_disable_unprepare(clk);
-	clk_put(clk);
+	/*
+	 * If the PCIe unit is actually enabled and we have PCI
+	 * support in the kernel, we intentionally do not release the
+	 * reference to the clock. We want to keep it running since
+	 * the bootloader does some PCIe link configuration that the
+	 * kernel is for now unable to do, and gating the clock would
+	 * make us loose this precious configuration.
+	 */
+	if (!of_device_is_available(child) || !IS_ENABLED(CONFIG_PCI_MVEBU)) {
+		clk_disable_unprepare(clk);
+		clk_put(clk);
+	}
 
 clk_err:
 	of_node_put(child);

---
 mm/percpu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
@@ -612,7 +612,7 @@ static struct pcpu_chunk *pcpu_alloc_chu
 	chunk->map = pcpu_mem_zalloc(PCPU_DFL_MAP_ALLOC *
 						sizeof(chunk->map[0]));
 	if (!chunk->map) {
-		kfree(chunk);
+		pcpu_mem_free(chunk, pcpu_chunk_struct_size);
 		return NULL;
 	}
 

---
 drivers/net/wireless/iwlwifi/pcie/trans.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
@@ -1563,6 +1563,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(s
 	 * PCI Tx retries from interfering with C3 CPU state */
 	pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 
+	trans->dev = &pdev->dev;
+	trans_pcie->pci_dev = pdev;
+	iwl_disable_interrupts(trans);
+
 	err = pci_enable_msi(pdev);
 	if (err) {
 		dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err);

@@ -1574,8 +1578,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(s
 		}
 	}
 
-	trans->dev = &pdev->dev;
-	trans_pcie->pci_dev = pdev;
 	trans->hw_rev = iwl_read32(trans, CSR_HW_REV);
 	trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;
 	snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),

@@ -1601,8 +1603,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(s
 		goto out_pci_disable_msi;
 	}
 
-	trans_pcie->inta_mask = CSR_INI_SET_MASK;
-
 	if (iwl_pcie_alloc_ict(trans))
 		goto out_free_cmd_pool;
 

@@ -1614,6 +1614,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(s
 		goto out_free_ict;
 	}
 
+	trans_pcie->inta_mask = CSR_INI_SET_MASK;
+
 	return trans;
 
 out_free_ict:

       [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0
       [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0
       [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0
       [<ffffffffa06225cf>] ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211]
       [<ffffffffa0518189>] iwl_mvm_recalc_multicast+0x49/0xa0 [iwlmvm]
       [<ffffffffa051822e>] iwl_mvm_configure_filter+0x4e/0x70 [iwlmvm]
       [<ffffffffa05e6d43>] ieee80211_configure_filter+0x153/0x5f0 [mac80211]
       [<ffffffffa05e71f5>] ieee80211_reconfig_filter+0x15/0x20 [mac80211]
       [snip]
       [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0
       [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0
       [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0
       [<ffffffffa0517246>] iwl_mvm_add_chanctx+0x56/0xe0 [iwlmvm]
       [<ffffffffa062ca1e>] ieee80211_new_chanctx+0x13e/0x410 [mac80211]
       [<ffffffffa062d953>] ieee80211_vif_use_channel+0x1c3/0x5a0 [mac80211]
       [<ffffffffa06035ab>] ieee80211_add_virtual_monitor+0x1ab/0x6b0 [mac80211]
       [<ffffffffa06052ea>] ieee80211_do_open+0xe6a/0x15a0 [mac80211]
       [<ffffffffa0605a79>] ieee80211_open+0x59/0x60 [mac80211]
       [snip]
       [<ffffffff810d6cb7>] check_prevs_add+0x977/0x980
       [<ffffffff810d95bb>] __lock_acquire+0xb3b/0x13b0
       [<ffffffff810d9ee0>] lock_acquire+0xb0/0x1f0
       [<ffffffff817eb9c8>] mutex_lock_nested+0x78/0x4f0
       [<ffffffffa062e2f2>] ieee80211_vif_release_channel+0x42/0xb0 [mac80211]
       [<ffffffffa0609ec3>] ieee80211_set_monitor_channel+0x113/0x1b0 [mac80211]
       [<ffffffffa058fb37>] cfg80211_set_monitor_channel+0x77/0x2b0 [cfg80211]
       [<ffffffffa056e0b2>] __nl80211_set_channel+0x122/0x140 [cfg80211]
       [<ffffffffa0581374>] nl80211_set_wiphy+0x284/0xaf0 [cfg80211]
       [snip]
Chain exists of:
  &local->chanctx_mtx --> &mvm->mutex --> &local->iflist_mtx

 Possible unsafe locking scenario:
       CPU0                    CPU1
       ----                    ----
  lock(&local->iflist_mtx);
                               lock(&mvm->mutex);
                               lock(&local->iflist_mtx);
INFO: task iw:3323 blocked for more than 120 seconds.
      Not tainted 3.14.3 #4
Call Trace:
 [<ffffffff817ea841>] schedule_preempt_disabled+0x31/0x80
 [<ffffffff817ebaed>] mutex_lock_nested+0x19d/0x4f0
 [<ffffffffa06225cf>] ? ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211]
 [<ffffffffa06225cf>] ? ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211]
 [<ffffffffa052a680>] ? iwl_mvm_power_mac_update_mode+0xc0/0xc0 [iwlmvm]
 [<ffffffffa06225cf>] ieee80211_iterate_active_interfaces+0x2f/0x60 [mac80211]
 [<ffffffffa0529357>] _iwl_mvm_power_update_binding+0x27/0x80 [iwlmvm]
 [<ffffffffa0516eb1>] iwl_mvm_unassign_vif_chanctx+0x81/0xc0 [iwlmvm]
 [<ffffffffa062d3ff>] __ieee80211_vif_release_channel+0xdf/0x470 [mac80211]
 [<ffffffffa062e2fa>] ieee80211_vif_release_channel+0x4a/0xb0 [mac80211]
 [<ffffffffa0609ec3>] ieee80211_set_monitor_channel+0x113/0x1b0 [mac80211]
 [<ffffffffa058fb37>] cfg80211_set_monitor_channel+0x77/0x2b0 [cfg80211]
 [<ffffffffa056e0b2>] __nl80211_set_channel+0x122/0x140 [cfg80211]
 [<ffffffffa0581374>] nl80211_set_wiphy+0x284/0xaf0 [cfg80211]
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
@@ -796,7 +796,7 @@ static void iwl_mvm_mc_iface_iterator(vo
 	memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
 	len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
 
-	ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
+	ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
 	if (ret)
 		IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
 }

@@ -812,7 +812,7 @@ static void iwl_mvm_recalc_multicast(str
 	if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
 		return;
 
-	ieee80211_iterate_active_interfaces(
+	ieee80211_iterate_active_interfaces_atomic(
 		mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 		iwl_mvm_mc_iface_iterator, &iter_data);
 }

---
 sound/soc/soc-dapm.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
@@ -3649,8 +3649,11 @@ void snd_soc_dapm_connect_dai_link_widge
 		cpu_dai = rtd->cpu_dai;
 		codec_dai = rtd->codec_dai;
 
-		/* dynamic FE links have no fixed DAI mapping */
-		if (rtd->dai_link->dynamic)
+		/*
+		 * dynamic FE links have no fixed DAI mapping.
+		 * CODEC<->CODEC links have no direct connection.
+		 */
+		if (rtd->dai_link->dynamic || rtd->dai_link->params)
 			continue;
 
 		/* there is no point in connecting BE DAI links with dummies */

---
 sound/soc/codecs/wm8962.c |   15 ++++++++++++---
 sound/soc/codecs/wm8962.h |    4 ++++
 2 files changed, 16 insertions(+), 3 deletions(-)
@@ -154,6 +154,7 @@ static struct reg_default wm8962_reg[] =
 	{ 40, 0x0000 },   /* R40    - SPKOUTL volume */
 	{ 41, 0x0000 },   /* R41    - SPKOUTR volume */
 
+	{ 49, 0x0010 },   /* R49    - Class D Control 1 */
 	{ 51, 0x0003 },   /* R51    - Class D Control 2 */
 
 	{ 56, 0x0506 },   /* R56    - Clocking 4 */

@@ -795,7 +796,6 @@ static bool wm8962_volatile_register(str
 	case WM8962_ALC2:
 	case WM8962_THERMAL_SHUTDOWN_STATUS:
 	case WM8962_ADDITIONAL_CONTROL_4:
-	case WM8962_CLASS_D_CONTROL_1:
 	case WM8962_DC_SERVO_6:
 	case WM8962_INTERRUPT_STATUS_1:
 	case WM8962_INTERRUPT_STATUS_2:

@@ -2922,13 +2922,22 @@ static int wm8962_set_fll(struct snd_soc
 static int wm8962_mute(struct snd_soc_dai *dai, int mute)
 {
 	struct snd_soc_codec *codec = dai->codec;
-	int val;
+	int val, ret;
 
 	if (mute)
-		val = WM8962_DAC_MUTE;
+		val = WM8962_DAC_MUTE | WM8962_DAC_MUTE_ALT;
 	else
 		val = 0;
 
+	/**
+	 * The DAC mute bit is mirrored in two registers, update both to keep
+	 * the register cache consistent.
+	 */
+	ret = snd_soc_update_bits(codec, WM8962_CLASS_D_CONTROL_1,
+				  WM8962_DAC_MUTE_ALT, val);
+	if (ret < 0)
+		return ret;
+
 	return snd_soc_update_bits(codec, WM8962_ADC_DAC_CONTROL_1,
 				   WM8962_DAC_MUTE, val);
 }

@@ -1954,6 +1954,10 @@
 #define WM8962_SPKOUTL_ENA_MASK                 0x0040  /* SPKOUTL_ENA */
 #define WM8962_SPKOUTL_ENA_SHIFT                     6  /* SPKOUTL_ENA */
 #define WM8962_SPKOUTL_ENA_WIDTH                     1  /* SPKOUTL_ENA */
+#define WM8962_DAC_MUTE_ALT                     0x0010  /* DAC_MUTE */
+#define WM8962_DAC_MUTE_ALT_MASK                0x0010  /* DAC_MUTE */
+#define WM8962_DAC_MUTE_ALT_SHIFT                    4  /* DAC_MUTE */
+#define WM8962_DAC_MUTE_ALT_WIDTH                    1  /* DAC_MUTE */
 #define WM8962_SPKOUTL_PGA_MUTE                 0x0002  /* SPKOUTL_PGA_MUTE */
 #define WM8962_SPKOUTL_PGA_MUTE_MASK            0x0002  /* SPKOUTL_PGA_MUTE */
 #define WM8962_SPKOUTL_PGA_MUTE_SHIFT                1  /* SPKOUTL_PGA_MUTE */

---
 arch/parisc/Kconfig        |    1 
 arch/parisc/kernel/traps.c |   54 ++++++++++++++++++++-------------------------
 arch/parisc/mm/fault.c     |   44 +++++++++++++++++++++++++-----------
 3 files changed, 56 insertions(+), 43 deletions(-)
@@ -22,6 +22,7 @@ config PARISC
 	select GENERIC_SMP_IDLE_THREAD
 	select GENERIC_STRNCPY_FROM_USER
 	select SYSCTL_ARCH_UNALIGN_ALLOW
+	select SYSCTL_EXCEPTION_TRACE
 	select HAVE_MOD_ARCH_SPECIFIC
 	select VIRT_TO_BUS
 	select MODULES_USE_ELF_RELA

---
 arch/parisc/kernel/syscall.S |   12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
@@ -589,10 +589,13 @@ cas_nocontend:
 # endif
 /* ENABLE_LWS_DEBUG */
 
+	rsm	PSW_SM_I, %r0				/* Disable interrupts */
+	/* COW breaks can cause contention on UP systems */
 	LDCW	0(%sr2,%r20), %r28			/* Try to acquire the lock */
 	cmpb,<>,n	%r0, %r28, cas_action		/* Did we get it? */
 cas_wouldblock:
 	ldo	2(%r0), %r28				/* 2nd case */
+	ssm	PSW_SM_I, %r0
 	b	lws_exit				/* Contended... */
 	ldo	-EAGAIN(%r0), %r21			/* Spin in userspace */
 

@@ -619,15 +622,17 @@ cas_action:
 	stw	%r1, 4(%sr2,%r20)
 #endif
 	/* The load and store could fail */
-1:	ldw	0(%sr3,%r26), %r28
+1:	ldw,ma	0(%sr3,%r26), %r28
 	sub,<>	%r28, %r25, %r0
-2:	stw	%r24, 0(%sr3,%r26)
+2:	stw,ma	%r24, 0(%sr3,%r26)
 	/* Free lock */
-	stw	%r20, 0(%sr2,%r20)
+	stw,ma	%r20, 0(%sr2,%r20)
 #if ENABLE_LWS_DEBUG
 	/* Clear thread register indicator */
 	stw	%r0, 4(%sr2,%r20)
 #endif
+	/* Enable interrupts */
+	ssm	PSW_SM_I, %r0
 	/* Return to userspace, set no error */
 	b	lws_exit
 	copy	%r0, %r21

@@ -639,6 +644,7 @@ cas_action:
 #if ENABLE_LWS_DEBUG
 	stw	%r0, 4(%sr2,%r20)
 #endif
+	ssm	PSW_SM_I, %r0
 	b	lws_exit
 	ldo	-EFAULT(%r0),%r21	/* set errno */
 	nop

{
	(*b)++;
	*a = 10;
	(*b)++;
}
---
 arch/metag/include/asm/barrier.h |    3 +++
 1 file changed, 3 insertions(+)
@@ -15,6 +15,7 @@ static inline void wr_fence(void)
 	volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_FENCE;
 	barrier();
 	*flushptr = 0;
+	barrier();
 }
 
 #else /* CONFIG_METAG_META21 */

@@ -35,6 +36,7 @@ static inline void wr_fence(void)
 	*flushptr = 0;
 	*flushptr = 0;
 	*flushptr = 0;
+	barrier();
 }
 
 #endif /* !CONFIG_METAG_META21 */

@@ -68,6 +70,7 @@ static inline void fence(void)
 	volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_ATOMIC_UNLOCK;
 	barrier();
 	*flushptr = 0;
+	barrier();
 }
 #define smp_mb()        fence()
 #define smp_rmb()       fence()
