powerpc/nohash: Fix use of mmu_has_feature() in setup_initial_memory_limit()

index 050badc0ebd3..0b50019505a5 100644
@@ -751,7 +751,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
 	 * avoid going over total available memory just in case...
 	 */
 #ifdef CONFIG_PPC_FSL_BOOK3E
-	if (mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
+	if (early_mmu_has_feature(MMU_FTR_TYPE_FSL_E)) {
 		unsigned long linear_sz;
 		unsigned int num_cams;
 

index df5a06578005..dfc0566bb155 100644
@@ -3220,6 +3220,7 @@ static void dwc2_conn_id_status_change(struct work_struct *work)
 		dwc2_core_init(hsotg, false);
 		dwc2_enable_global_interrupts(hsotg);
 		spin_lock_irqsave(&hsotg->lock, flags);
+		dwc2_hsotg_disconnect(hsotg);
 		dwc2_hsotg_core_init_disconnected(hsotg, false);
 		spin_unlock_irqrestore(&hsotg->lock, flags);
 		dwc2_hsotg_core_connect(hsotg);

index b62a3de65075..ff4d6cac7ac0 100644
@@ -2103,16 +2103,13 @@ static int dummy_hub_control(
 			}
 			break;
 		case USB_PORT_FEAT_POWER:
-			if (hcd->speed == HCD_USB3) {
-				if (dum_hcd->port_status & USB_PORT_STAT_POWER)
-					dev_dbg(dummy_dev(dum_hcd),
-						"power-off\n");
-			} else
-				if (dum_hcd->port_status &
-							USB_SS_PORT_STAT_POWER)
-					dev_dbg(dummy_dev(dum_hcd),
-						"power-off\n");
-			/* FALLS THROUGH */
+			dev_dbg(dummy_dev(dum_hcd), "power-off\n");
+			if (hcd->speed == HCD_USB3)
+				dum_hcd->port_status &= ~USB_SS_PORT_STAT_POWER;
+			else
+				dum_hcd->port_status &= ~USB_PORT_STAT_POWER;
+			set_link_state(dum_hcd);
+			break;
 		default:
 			dum_hcd->port_status &= ~(1 << wValue);
 			set_link_state(dum_hcd);

@@ -2283,14 +2280,13 @@ static int dummy_hub_control(
 				if ((dum_hcd->port_status &
 				     USB_SS_PORT_STAT_POWER) != 0) {
 					dum_hcd->port_status |= (1 << wValue);
-					set_link_state(dum_hcd);
 				}
 			} else
 				if ((dum_hcd->port_status &
 				     USB_PORT_STAT_POWER) != 0) {
 					dum_hcd->port_status |= (1 << wValue);
-					set_link_state(dum_hcd);
 				}
+			set_link_state(dum_hcd);
 		}
 		break;
 	case GetPortErrorCount:

index 8bc271141d9d..539724c7d30b 100644
@@ -2400,11 +2400,17 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target,
 			      int err, char *msg, size_t size)
 {
 	char sbuf[STRERR_BUFSIZE];
+	int printed = 0;
 
 	switch (err) {
 	case EPERM:
 	case EACCES:
-		return scnprintf(msg, size,
+		if (err == EPERM)
+			printed = scnprintf(msg, size,
+				"No permission to enable %s event.\n\n",
+				perf_evsel__name(evsel));
+
+		return scnprintf(msg + printed, size - printed,
 		 "You may not have permission to collect %sstats.\n\n"
 		 "Consider tweaking /proc/sys/kernel/perf_event_paranoid,\n"
 		 "which controls use of the performance events system by\n"

index 0e60e38b2acf..b78e60eb600f 100644
@@ -104,7 +104,20 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
 					    u8 crypt_len,
 					    struct iwl_rx_cmd_buffer *rxb)
 {
-	unsigned int hdrlen, fraglen;
+	unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control);
+	unsigned int fraglen;
+
+	/*
+	 * The 'hdrlen' (plus the 8 bytes for the SNAP and the crypt_len,
+	 * but those are all multiples of 4 long) all goes away, but we
+	 * want the *end* of it, which is going to be the start of the IP
+	 * header, to be aligned when it gets pulled in.
+	 * The beginning of the skb->data is aligned on at least a 4-byte
+	 * boundary after allocation. Everything here is aligned at least
+	 * on a 2-byte boundary so we can just take hdrlen & 3 and pad by
+	 * the result.
+	 */
+	skb_reserve(skb, hdrlen & 3);
 
 	/* If frame is small enough to fit in skb->head, pull it completely.
 	 * If not, only pull ieee80211_hdr (including crypto if present, and

@@ -118,8 +131,7 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm,
 	 * If the latter changes (there are efforts in the standards group
 	 * to do so) we should revisit this and ieee80211_data_to_8023().
 	 */
-	hdrlen = (len <= skb_tailroom(skb)) ? len :
-					      sizeof(*hdr) + crypt_len + 8;
+	hdrlen = (len <= skb_tailroom(skb)) ? len : hdrlen + crypt_len + 8;
 
 	memcpy(skb_put(skb, hdrlen), hdr, hdrlen);
 	fraglen = len - hdrlen;

index b37b57294566..af82edc7fa5c 100644
@@ -322,10 +322,16 @@ validate_group(struct perf_event *event)
 	return 0;
 }
 
+static struct arm_pmu_platdata *armpmu_get_platdata(struct arm_pmu *armpmu)
+{
+	struct platform_device *pdev = armpmu->plat_device;
+
+	return pdev ? dev_get_platdata(&pdev->dev) : NULL;
+}
+
 static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
 {
 	struct arm_pmu *armpmu;
-	struct platform_device *plat_device;
 	struct arm_pmu_platdata *plat;
 	int ret;
 	u64 start_clock, finish_clock;

@@ -337,8 +343,8 @@ static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
 	 * dereference.
 	 */
 	armpmu = *(void **)dev;
-	plat_device = armpmu->plat_device;
-	plat = dev_get_platdata(&plat_device->dev);
+
+	plat = armpmu_get_platdata(armpmu);
 
 	start_clock = sched_clock();
 	if (plat && plat->handle_irq)

index 5d61242a6e64..982916c09a12 100644
@@ -139,8 +139,14 @@ struct perf_session *perf_session__new(struct perf_data_file *file,
 			if (perf_session__open(session) < 0)
 				goto out_close;
 
-			perf_session__set_id_hdr_size(session);
-			perf_session__set_comm_exec(session);
+			/*
+			 * set session attributes that are present in perf.data
+			 * but not in pipe-mode.
+			 */
+			if (!file->is_pipe) {
+				perf_session__set_id_hdr_size(session);
+				perf_session__set_comm_exec(session);
+			}
 		}
 	} else  {
 		session->machines.host.env = &perf_env;

@@ -155,7 +161,11 @@ struct perf_session *perf_session__new(struct perf_data_file *file,
 			pr_warning("Cannot read kernel map\n");
 	}
 
-	if (tool && tool->ordering_requires_timestamps &&
+	/*
+	 * In pipe-mode, evlist is empty until PERF_RECORD_HEADER_ATTR is
+	 * processed, so perf_evlist__sample_id_all is not meaningful here.
+	 */
+	if ((!file || !file->is_pipe) && tool && tool->ordering_requires_timestamps &&
 	    tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) {
 		dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
 		tool->ordered_events = false;

index 59b3f62a2d64..87ad0d72d8a9 100644
@@ -1332,8 +1332,16 @@ static int tce_iommu_attach_group(void *iommu_data,
 
 	if (!table_group->ops || !table_group->ops->take_ownership ||
 			!table_group->ops->release_ownership) {
+		if (container->v2) {
+			ret = -EPERM;
+			goto unlock_exit;
+		}
 		ret = tce_iommu_take_ownership(container, table_group);
 	} else {
+		if (!container->v2) {
+			ret = -EPERM;
+			goto unlock_exit;
+		}
 		ret = tce_iommu_take_ownership_ddw(container, table_group);
 		if (!tce_groups_attached(container) && !container->tables[0])
 			container->def_window_pending = true;

index 87ad0d72d8a9..70c748a5fbcc 100644
@@ -195,6 +195,11 @@ static long tce_iommu_register_pages(struct tce_container *container,
 		return ret;
 
 	tcemem = kzalloc(sizeof(*tcemem), GFP_KERNEL);
+	if (!tcemem) {
+		mm_iommu_put(container->mm, mem);
+		return -ENOMEM;
+	}
+
 	tcemem->mem = mem;
 	list_add(&tcemem->next, &container->prereg_list);
 

index cd9537ddc19f..6b6064dc3467 100644
@@ -663,18 +663,14 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
 	 * is a non-zero input_size, so emit a warning.
 	 */
 	if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) {
-		static char cmd[TASK_COMM_LEN];
-		if (strcmp(current->comm, cmd)) {
-			printk_ratelimited(KERN_WARNING
-					   "sg_write: data in/out %d/%d bytes "
-					   "for SCSI command 0x%x-- guessing "
-					   "data in;\n   program %s not setting "
-					   "count and/or reply_len properly\n",
-					   old_hdr.reply_len - (int)SZ_SG_HEADER,
-					   input_size, (unsigned int) cmnd[0],
-					   current->comm);
-			strcpy(cmd, current->comm);
-		}
+		printk_ratelimited(KERN_WARNING
+				   "sg_write: data in/out %d/%d bytes "
+				   "for SCSI command 0x%x-- guessing "
+				   "data in;\n   program %s not setting "
+				   "count and/or reply_len properly\n",
+				   old_hdr.reply_len - (int)SZ_SG_HEADER,
+				   input_size, (unsigned int) cmnd[0],
+				   current->comm);
 	}
 	k = sg_common_write(sfp, srp, cmnd, sfp->timeout, blocking);
 	return (k < 0) ? k : count;

@@ -753,6 +749,29 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf,
 	return count;
 }
 
+static bool sg_is_valid_dxfer(sg_io_hdr_t *hp)
+{
+	switch (hp->dxfer_direction) {
+	case SG_DXFER_NONE:
+		if (hp->dxferp || hp->dxfer_len > 0)
+			return false;
+		return true;
+	case SG_DXFER_TO_DEV:
+	case SG_DXFER_FROM_DEV:
+	case SG_DXFER_TO_FROM_DEV:
+		if (!hp->dxferp || hp->dxfer_len == 0)
+			return false;
+		return true;
+	case SG_DXFER_UNKNOWN:
+		if ((!hp->dxferp && hp->dxfer_len) ||
+		    (hp->dxferp && hp->dxfer_len == 0))
+			return false;
+		return true;
+	default:
+		return false;
+	}
+}
+
 static int
 sg_common_write(Sg_fd * sfp, Sg_request * srp,
 		unsigned char *cmnd, int timeout, int blocking)

@@ -773,6 +792,9 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 			"sg_common_write:  scsi opcode=0x%02x, cmd_size=%d\n",
 			(int) cmnd[0], (int) hp->cmd_len));
 
+	if (!sg_is_valid_dxfer(hp))
+		return -EINVAL;
+
 	k = sg_start_req(srp, cmnd);
 	if (k) {
 		SCSI_LOG_TIMEOUT(1, sg_printk(KERN_INFO, sfp->parentdp,

index 6b6064dc3467..e6333cae8550 100644
@@ -524,6 +524,7 @@ sg_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
 	} else
 		count = (old_hdr->result == 0) ? 0 : -EIO;
 	sg_finish_rem_req(srp);
+	sg_remove_request(sfp, srp);
 	retval = count;
 free_old_hdr:
 	kfree(old_hdr);

@@ -564,6 +565,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
 	}
 err_out:
 	err2 = sg_finish_rem_req(srp);
+	sg_remove_request(sfp, srp);
 	return err ? : err2 ? : count;
 }
 

@@ -800,6 +802,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 		SCSI_LOG_TIMEOUT(1, sg_printk(KERN_INFO, sfp->parentdp,
 			"sg_common_write: start_req err=%d\n", k));
 		sg_finish_rem_req(srp);
+		sg_remove_request(sfp, srp);
 		return k;	/* probably out of space --> ENOMEM */
 	}
 	if (atomic_read(&sdp->detaching)) {

@@ -812,6 +815,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
 		}
 
 		sg_finish_rem_req(srp);
+		sg_remove_request(sfp, srp);
 		return -ENODEV;
 	}
 

@@ -1302,6 +1306,7 @@ sg_rq_end_io_usercontext(struct work_struct *work)
 	struct sg_fd *sfp = srp->parentfp;
 
 	sg_finish_rem_req(srp);
+	sg_remove_request(sfp, srp);
 	kref_put(&sfp->f_ref, sg_remove_sfp);
 }
 

@@ -1846,8 +1851,6 @@ sg_finish_rem_req(Sg_request *srp)
 	else
 		sg_remove_scat(sfp, req_schp);
 
-	sg_remove_request(sfp, srp);
-
 	return ret;
 }
 

@@ -2194,12 +2197,17 @@ sg_remove_sfp_usercontext(struct work_struct *work)
 	struct sg_fd *sfp = container_of(work, struct sg_fd, ew.work);
 	struct sg_device *sdp = sfp->parentdp;
 	Sg_request *srp;
+	unsigned long iflags;
 
 	/* Cleanup any responses which were never read(). */
+	write_lock_irqsave(&sfp->rq_list_lock, iflags);
 	while (!list_empty(&sfp->rq_list)) {
 		srp = list_first_entry(&sfp->rq_list, Sg_request, entry);
 		sg_finish_rem_req(srp);
+		list_del(&srp->entry);
+		srp->parentfp = NULL;
 	}
+	write_unlock_irqrestore(&sfp->rq_list_lock, iflags);
 
 	if (sfp->reserve.bufflen > 0) {
 		SCSI_LOG_TIMEOUT(6, sg_printk(KERN_INFO, sdp,

index 293f3f213776..c9b2dff38c3c 100644
@@ -369,8 +369,10 @@ enum {
 #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71)
 #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0)
 #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
+#define IS_GLK(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x3198)
 #define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \
-			IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)
+			IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci)	|| \
+			IS_GLK(pci)
 
 static char *driver_short_names[] = {
 	[AZX_DRIVER_ICH] = "HDA Intel",

index b55d07b9d530..808ee7f566f8 100644
@@ -199,6 +199,8 @@ int can_boost(kprobe_opcode_t *opcodes, void *addr)
 		return (opcode != 0x62 && opcode != 0x67);
 	case 0x70:
 		return 0; /* can't boost conditional jump */
+	case 0x90:
+		return opcode != 0x9a;	/* can't boost call far */
 	case 0xc0:
 		/* can't boost software-interruptions */
 		return (0xc1 < opcode && opcode < 0xcc) || opcode == 0xcf;

index 808ee7f566f8..b8d3f1b60331 100644
@@ -409,6 +409,8 @@ static int arch_copy_kprobe(struct kprobe *p)
 {
 	int ret;
 
+	set_memory_rw((unsigned long)p->ainsn.insn & PAGE_MASK, 1);
+
 	/* Copy an instruction with recovering if other optprobe modifies it.*/
 	ret = __copy_instruction(p->ainsn.insn, p->addr);
 	if (!ret)

@@ -423,6 +425,8 @@ static int arch_copy_kprobe(struct kprobe *p)
 	else
 		p->ainsn.boostable = -1;
 
+	set_memory_ro((unsigned long)p->ainsn.insn & PAGE_MASK, 1);
+
 	/* Check whether the instruction modifies Interrupt Flag or not */
 	p->ainsn.if_modifier = is_IF_modifier(p->ainsn.insn);
 

index dc20da1c78f0..fa671b90c374 100644
@@ -371,6 +371,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op,
 	}
 
 	buf = (u8 *)op->optinsn.insn;
+	set_memory_rw((unsigned long)buf & PAGE_MASK, 1);
 
 	/* Copy instructions into the out-of-line buffer */
 	ret = copy_optimized_instructions(buf + TMPL_END_IDX, op->kp.addr);

@@ -393,6 +394,8 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op,
 	synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
 			   (u8 *)op->kp.addr + op->optinsn.size);
 
+	set_memory_ro((unsigned long)buf & PAGE_MASK, 1);
+
 	flush_icache_range((unsigned long) buf,
 			   (unsigned long) buf + TMPL_END_IDX +
 			   op->optinsn.size + RELATIVEJUMP_SIZE);

index e4647840cd6e..7e8906d6ab7a 100644
@@ -76,6 +76,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	struct tegra_pwm_chip *pc = to_tegra_pwm_chip(chip);
 	unsigned long long c = duty_ns;
 	unsigned long rate, hz;
+	unsigned long long ns100 = NSEC_PER_SEC;
 	u32 val = 0;
 	int err;
 

@@ -95,9 +96,11 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	 * cycles at the PWM clock rate will take period_ns nanoseconds.
 	 */
 	rate = clk_get_rate(pc->clk) >> PWM_DUTY_WIDTH;
-	hz = NSEC_PER_SEC / period_ns;
 
-	rate = (rate + (hz / 2)) / hz;
+	/* Consider precision in PWM_SCALE_WIDTH rate calculation */
+	ns100 *= 100;
+	hz = DIV_ROUND_CLOSEST_ULL(ns100, period_ns);
+	rate = DIV_ROUND_CLOSEST(rate * 100, hz);
 
 	/*
 	 * Since the actual PWM divider is the register's frequency divider

index ca97e1151797..3b171bef913a 100644
@@ -2984,7 +2984,7 @@ static struct gdsc vfe1_gdsc = {
 	.cxcs = (unsigned int []){ 0x36ac },
 	.cxc_count = 1,
 	.pd = {
-		.name = "vfe0",
+		.name = "vfe1",
 	},
 	.parent = &camss_gdsc.pd,
 	.pwrsts = PWRSTS_OFF_ON,

index 1aff2da9bc74..5d3698170004 100644
@@ -163,6 +163,9 @@ void bt_accept_enqueue(struct sock *parent, struct sock *sk)
 }
 EXPORT_SYMBOL(bt_accept_enqueue);
 
+/* Calling function must hold the sk lock.
+ * bt_sk(sk)->parent must be non-NULL meaning sk is in the parent list.
+ */
 void bt_accept_unlink(struct sock *sk)
 {
 	BT_DBG("sk %p state %d", sk, sk->sk_state);

@@ -181,11 +184,32 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock)
 
 	BT_DBG("parent %p", parent);
 
+restart:
 	list_for_each_entry_safe(s, n, &bt_sk(parent)->accept_q, accept_q) {
 		sk = (struct sock *)s;
 
+		/* Prevent early freeing of sk due to unlink and sock_kill */
+		sock_hold(sk);
 		lock_sock(sk);
 
+		/* Check sk has not already been unlinked via
+		 * bt_accept_unlink() due to serialisation caused by sk locking
+		 */
+		if (!bt_sk(sk)->parent) {
+			BT_DBG("sk %p, already unlinked", sk);
+			release_sock(sk);
+			sock_put(sk);
+
+			/* Restart the loop as sk is no longer in the list
+			 * and also avoid a potential infinite loop because
+			 * list_for_each_entry_safe() is not thread safe.
+			 */
+			goto restart;
+		}
+
+		/* sk is safely in the parent list so reduce reference count */
+		sock_put(sk);
+
 		/* FIXME: Is this check still needed */
 		if (sk->sk_state == BT_CLOSED) {
 			bt_accept_unlink(sk);

index 1904a93f47d5..de7b82ece499 100644
@@ -755,7 +755,8 @@ static void set_ip_addr_bits(u8 addr_type, u8 *addr)
 }
 
 static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
-					struct lowpan_btle_dev *dev)
+					struct lowpan_btle_dev *dev,
+					bool new_netdev)
 {
 	struct lowpan_peer *peer;
 

@@ -786,7 +787,8 @@ static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
 	spin_unlock(&devices_lock);
 
 	/* Notifying peers about us needs to be done without locks held */
-	INIT_DELAYED_WORK(&dev->notify_peers, do_notify_peers);
+	if (new_netdev)
+		INIT_DELAYED_WORK(&dev->notify_peers, do_notify_peers);
 	schedule_delayed_work(&dev->notify_peers, msecs_to_jiffies(100));
 
 	return peer->chan;

@@ -843,6 +845,7 @@ static int setup_netdev(struct l2cap_chan *chan, struct lowpan_btle_dev **dev)
 static inline void chan_ready_cb(struct l2cap_chan *chan)
 {
 	struct lowpan_btle_dev *dev;
+	bool new_netdev = false;
 
 	dev = lookup_dev(chan->conn);
 

@@ -853,12 +856,13 @@ static inline void chan_ready_cb(struct l2cap_chan *chan)
 			l2cap_chan_del(chan, -ENOENT);
 			return;
 		}
+		new_netdev = true;
 	}
 
 	if (!try_module_get(THIS_MODULE))
 		return;
 
-	add_peer_chan(chan, dev);
+	add_peer_chan(chan, dev, new_netdev);
 	ifup(dev->netdev);
 }
 

index 4b462dc21c41..990c857992f6 100644
@@ -552,8 +552,6 @@ struct mac80211_hwsim_data {
 	/* wmediumd portid responsible for netgroup of this radio */
 	u32 wmediumd;
 
-	int power_level;
-
 	/* difference between this hw's clock and the real clock, in usecs */
 	s64 tsf_offset;
 	s64 bcn_delta;

@@ -1208,7 +1206,9 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 	if (info->control.rates[0].flags & IEEE80211_TX_RC_SHORT_GI)
 		rx_status.flag |= RX_FLAG_SHORT_GI;
 	/* TODO: simulate real signal strength (and optional packet loss) */
-	rx_status.signal = data->power_level - 50;
+	rx_status.signal = -50;
+	if (info->control.vif)
+		rx_status.signal += info->control.vif->bss_conf.txpower;
 
 	if (data->ps != PS_DISABLED)
 		hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);

@@ -1607,7 +1607,6 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
 
 	WARN_ON(data->channel && data->use_chanctx);
 
-	data->power_level = conf->power_level;
 	if (!data->started || !data->beacon_int)
 		tasklet_hrtimer_cancel(&data->beacon_timer);
 	else if (!hrtimer_is_queued(&data->beacon_timer.timer)) {

@@ -2212,7 +2211,6 @@ static const char mac80211_hwsim_gstrings_stats[][ETH_GSTRING_LEN] = {
 	"d_tx_failed",
 	"d_ps_mode",
 	"d_group",
-	"d_tx_power",
 };
 
 #define MAC80211_HWSIM_SSTATS_LEN ARRAY_SIZE(mac80211_hwsim_gstrings_stats)

@@ -2249,7 +2247,6 @@ static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw,
 	data[i++] = ar->tx_failed;
 	data[i++] = ar->ps;
 	data[i++] = ar->group;
-	data[i++] = ar->power_level;
 
 	WARN_ON(i != MAC80211_HWSIM_SSTATS_LEN);
 }

index 0b4d79659884..041ef3be87b9 100644
@@ -1059,7 +1059,7 @@ int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
 	 */
 	BUILD_BUG_ON(2 * TARGET_NUM_MSDU_DESC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
-	BUILD_BUG_ON(2 * TARGET_10X_NUM_MSDU_DESC >
+	BUILD_BUG_ON(2 * TARGET_10_4_NUM_MSDU_DESC_PFC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
 	BUILD_BUG_ON(2 * TARGET_TLV_NUM_MSDU_DESC >
 		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));

index fae4f1285d08..94a356bbb6b9 100644
@@ -501,16 +501,16 @@ static void wmi_evt_connect(struct wil6210_priv *wil, int id, void *d, int len)
 		assoc_resp_ielen = 0;
 	}
 
-	mutex_lock(&wil->mutex);
 	if (test_bit(wil_status_resetting, wil->status) ||
 	    !test_bit(wil_status_fwready, wil->status)) {
 		wil_err(wil, "status_resetting, cancel connect event, CID %d\n",
 			evt->cid);
-		mutex_unlock(&wil->mutex);
 		/* no need for cleanup, wil_reset will do that */
 		return;
 	}
 
+	mutex_lock(&wil->mutex);
+
 	if ((wdev->iftype == NL80211_IFTYPE_STATION) ||
 	    (wdev->iftype == NL80211_IFTYPE_P2P_CLIENT)) {
 		if (!test_bit(wil_status_fwconnecting, wil->status)) {

@@ -608,6 +608,13 @@ static void wmi_evt_disconnect(struct wil6210_priv *wil, int id,
 
 	wil->sinfo_gen++;
 
+	if (test_bit(wil_status_resetting, wil->status) ||
+	    !test_bit(wil_status_fwready, wil->status)) {
+		wil_err(wil, "status_resetting, cancel disconnect event\n");
+		/* no need for cleanup, wil_reset will do that */
+		return;
+	}
+
 	mutex_lock(&wil->mutex);
 	wil6210_disconnect(wil, evt->bssid, reason_code, true);
 	mutex_unlock(&wil->mutex);

index 24b07a0ce6f7..f8bce58d48cc 100644
@@ -129,9 +129,15 @@ void wil_memcpy_fromio_32(void *dst, const volatile void __iomem *src,
 	u32 *d = dst;
 	const volatile u32 __iomem *s = src;
 
-	/* size_t is unsigned, if (count%4 != 0) it will wrap */
-	for (count += 4; count > 4; count -= 4)
+	for (; count >= 4; count -= 4)
 		*d++ = __raw_readl(s++);
+
+	if (unlikely(count)) {
+		/* count can be 1..3 */
+		u32 tmp = __raw_readl(s);
+
+		memcpy(d, &tmp, count);
+	}
 }
 
 void wil_memcpy_fromio_halp_vote(struct wil6210_priv *wil, void *dst,

@@ -148,8 +154,16 @@ void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src,
 	volatile u32 __iomem *d = dst;
 	const u32 *s = src;
 
-	for (count += 4; count > 4; count -= 4)
+	for (; count >= 4; count -= 4)
 		__raw_writel(*s++, d++);
+
+	if (unlikely(count)) {
+		/* count can be 1..3 */
+		u32 tmp = 0;
+
+		memcpy(&tmp, s, count);
+		__raw_writel(tmp, d);
+	}
 }
 
 void wil_memcpy_toio_halp_vote(struct wil6210_priv *wil,

index 688dea7cb08f..c3c4b4990f3c 100644
@@ -310,8 +310,12 @@ static int read_counter(struct perf_evsel *counter)
 			struct perf_counts_values *count;
 
 			count = perf_counts(counter->counts, cpu, thread);
-			if (perf_evsel__read(counter, cpu, thread, count))
+			if (perf_evsel__read(counter, cpu, thread, count)) {
+				counter->counts->scaled = -1;
+				perf_counts(counter->counts, cpu, thread)->ena = 0;
+				perf_counts(counter->counts, cpu, thread)->run = 0;
 				return -1;
+			}
 
 			if (STAT_RECORD) {
 				if (perf_evsel__write_stat_event(counter, cpu, thread, count)) {

@@ -336,12 +340,14 @@ static int read_counter(struct perf_evsel *counter)
 static void read_counters(void)
 {
 	struct perf_evsel *counter;
+	int ret;
 
 	evlist__for_each_entry(evsel_list, counter) {
-		if (read_counter(counter))
+		ret = read_counter(counter);
+		if (ret)
 			pr_debug("failed to read counter %s\n", counter->name);
 
-		if (perf_stat_process_counter(&stat_config, counter))
+		if (ret == 0 && perf_stat_process_counter(&stat_config, counter))
 			pr_warning("failed to process counter %s\n", counter->name);
 	}
 }

index 539724c7d30b..bce80f866dd0 100644
@@ -1221,7 +1221,7 @@ int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread,
 	if (FD(evsel, cpu, thread) < 0)
 		return -EINVAL;
 
-	if (readn(FD(evsel, cpu, thread), count, sizeof(*count)) < 0)
+	if (readn(FD(evsel, cpu, thread), count, sizeof(*count)) <= 0)
 		return -errno;
 
 	return 0;

@@ -1239,7 +1239,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
 	if (evsel->counts == NULL && perf_evsel__alloc_counts(evsel, cpu + 1, thread + 1) < 0)
 		return -ENOMEM;
 
-	if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) < 0)
+	if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) <= 0)
 		return -errno;
 
 	perf_evsel__compute_deltas(evsel, cpu, thread, &count);

index 8d601dcf2948..486b8c75cd1f 100644
@@ -1458,7 +1458,7 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter,
 		}
 
 		if (card->mpa_rx.pkt_cnt == 1)
-			mport = adapter->ioport + port;
+			mport = adapter->ioport + card->mpa_rx.start_port;
 
 		if (mwifiex_read_data_sync(adapter, card->mpa_rx.buf,
 					   card->mpa_rx.buf_len, mport, 1))

@@ -1891,7 +1891,7 @@ static int mwifiex_host_to_card_mp_aggr(struct mwifiex_adapter *adapter,
 		}
 
 		if (card->mpa_tx.pkt_cnt == 1)
-			mport = adapter->ioport + port;
+			mport = adapter->ioport + card->mpa_tx.start_port;
 
 		ret = mwifiex_write_data_to_card(adapter, card->mpa_tx.buf,
 						 card->mpa_tx.buf_len, mport);

index 6eb2837f6b89..ab44326ea3e7 100644
@@ -150,6 +150,15 @@ static const struct dmi_system_id asus_quirks[] = {
 		 */
 		.driver_data = &quirk_asus_wapf4,
 	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X302UA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X302UA"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
 	{
 		.callback = dmi_matched,
 		.ident = "ASUSTeK COMPUTER INC. X401U",

index 63d61c084815..2aef283713c1 100644
@@ -2063,6 +2063,7 @@ static int bond_miimon_inspect(struct bonding *bond)
 					    (bond->params.downdelay - slave->delay) *
 					    bond->params.miimon,
 					    slave->dev->name);
+				commit++;
 				continue;
 			}
 

@@ -2100,7 +2101,7 @@ static int bond_miimon_inspect(struct bonding *bond)
 					    (bond->params.updelay - slave->delay) *
 					    bond->params.miimon,
 					    slave->dev->name);
-
+				commit++;
 				continue;
 			}
 

index 3a6d0290c54c..c5e272ea4372 100644
@@ -296,6 +296,11 @@ static int anatop_regulator_probe(struct platform_device *pdev)
 		if (!sreg->sel && !strcmp(sreg->name, "vddpu"))
 			sreg->sel = 22;
 
+		/* set the default voltage of the pcie phy to be 1.100v */
+		if (!sreg->sel && rdesc->name &&
+		    !strcmp(rdesc->name, "vddpcie"))
+			sreg->sel = 0x10;
+
 		if (!sreg->bypass && !sreg->sel) {
 			dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n");
 			return -EINVAL;

index 50171fd3cc6d..cdd71ecd72ed 100644
@@ -1184,8 +1184,13 @@ static irqreturn_t bq24190_irq_handler_thread(int irq, void *data)
 		}
 	} while (f_reg && ++i < 2);
 
+	/* ignore over/under voltage fault after disconnect */
+	if (f_reg == (1 << BQ24190_REG_F_CHRG_FAULT_SHIFT) &&
+	    !(ss_reg & BQ24190_REG_SS_PG_STAT_MASK))
+		f_reg = 0;
+
 	if (f_reg != bdi->f_reg) {
-		dev_info(bdi->dev,
+		dev_warn(bdi->dev,
 			"Fault: boost %d, charge %d, battery %d, ntc %d\n",
 			!!(f_reg & BQ24190_REG_F_BOOST_FAULT_MASK),
 			!!(f_reg & BQ24190_REG_F_CHRG_FAULT_MASK),

index be22f5a2192e..4e3b8a587c88 100644
@@ -418,6 +418,7 @@ struct legacy_pic default_legacy_pic =3D {
 };

index 7030d7cd3861..c554e529fc4e 100644
@@ -41,6 +41,9 @@
 #include <linux/pm.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#ifdef CONFIG_X86
+#include <asm/i8259.h>
+#endif
 
 /* this is for "generic access to PC-style RTC" using CMOS_READ/CMOS_WRITE */
 #include <linux/mc146818rtc.h>

@@ -1117,17 +1120,23 @@ static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id)
 {
 	cmos_wake_setup(&pnp->dev);
 
-	if (pnp_port_start(pnp, 0) == 0x70 && !pnp_irq_valid(pnp, 0))
+	if (pnp_port_start(pnp, 0) == 0x70 && !pnp_irq_valid(pnp, 0)) {
+		unsigned int irq = 0;
+#ifdef CONFIG_X86
 		/* Some machines contain a PNP entry for the RTC, but
 		 * don't define the IRQ. It should always be safe to
-		 * hardcode it in these cases
+		 * hardcode it on systems with a legacy PIC.
 		 */
+		if (nr_legacy_irqs())
+			irq = 8;
+#endif
 		return cmos_do_probe(&pnp->dev,
-				pnp_get_resource(pnp, IORESOURCE_IO, 0), 8);
-	else
+				pnp_get_resource(pnp, IORESOURCE_IO, 0), irq);
+	} else {
 		return cmos_do_probe(&pnp->dev,
 				pnp_get_resource(pnp, IORESOURCE_IO, 0),
 				pnp_irq(pnp, 0));
+	}
 }
 
 static void cmos_pnp_remove(struct pnp_dev *pnp)

index 71b5a634cf6d..e7bb155911d0 100644
@@ -152,7 +152,7 @@ static int __maybe_unused ar1021_i2c_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(ar1021_i2c_pm, ar1021_i2c_suspend, ar1021_i2c_resume);
 
 static const struct i2c_device_id ar1021_i2c_id[] = {
-	{ "MICROCHIP_AR1021_I2C", 0 },
+	{ "ar1021", 0 },
 	{ },
 };
 MODULE_DEVICE_TABLE(i2c, ar1021_i2c_id);

index 86280b7e41f3..2aa5b37cc6d2 100644
@@ -97,30 +97,26 @@ static s32 scaled_ppm_to_ppb(long ppm)
 
 /* posix clock implementation */
 
-static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
+static int ptp_clock_getres(struct posix_clock *pc, struct timespec64 *tp)
 {
 	tp->tv_sec = 0;
 	tp->tv_nsec = 1;
 	return 0;
 }
 
-static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
+static int ptp_clock_settime(struct posix_clock *pc, const struct timespec64 *tp)
 {
 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
-	struct timespec64 ts = timespec_to_timespec64(*tp);
 
-	return  ptp->info->settime64(ptp->info, &ts);
+	return  ptp->info->settime64(ptp->info, tp);
 }
 
-static int ptp_clock_gettime(struct posix_clock *pc, struct timespec *tp)
+static int ptp_clock_gettime(struct posix_clock *pc, struct timespec64 *tp)
 {
 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
-	struct timespec64 ts;
 	int err;
 
-	err = ptp->info->gettime64(ptp->info, &ts);
-	if (!err)
-		*tp = timespec64_to_timespec(ts);
+	err = ptp->info->gettime64(ptp->info, tp);
 	return err;
 }
 

@@ -133,7 +129,7 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
 	ops = ptp->info;
 
 	if (tx->modes & ADJ_SETOFFSET) {
-		struct timespec ts;
+		struct timespec64 ts;
 		ktime_t kt;
 		s64 delta;
 

@@ -146,7 +142,7 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
 		if ((unsigned long) ts.tv_nsec >= NSEC_PER_SEC)
 			return -EINVAL;
 
-		kt = timespec_to_ktime(ts);
+		kt = timespec64_to_ktime(ts);
 		delta = ktime_to_ns(kt);
 		err = ops->adjtime(ops, delta);
 	} else if (tx->modes & ADJ_FREQUENCY) {

index 34c4498b800f..83b22ae9ae12 100644
@@ -59,23 +59,23 @@ struct posix_clock_operations {
 
 	int  (*clock_adjtime)(struct posix_clock *pc, struct timex *tx);
 
-	int  (*clock_gettime)(struct posix_clock *pc, struct timespec *ts);
+	int  (*clock_gettime)(struct posix_clock *pc, struct timespec64 *ts);
 
-	int  (*clock_getres) (struct posix_clock *pc, struct timespec *ts);
+	int  (*clock_getres) (struct posix_clock *pc, struct timespec64 *ts);
 
 	int  (*clock_settime)(struct posix_clock *pc,
-			      const struct timespec *ts);
+			      const struct timespec64 *ts);
 
 	int  (*timer_create) (struct posix_clock *pc, struct k_itimer *kit);
 
 	int  (*timer_delete) (struct posix_clock *pc, struct k_itimer *kit);
 
 	void (*timer_gettime)(struct posix_clock *pc,
-			      struct k_itimer *kit, struct itimerspec *tsp);
+			      struct k_itimer *kit, struct itimerspec64 *tsp);
 
 	int  (*timer_settime)(struct posix_clock *pc,
 			      struct k_itimer *kit, int flags,
-			      struct itimerspec *tsp, struct itimerspec *old);
+			      struct itimerspec64 *tsp, struct itimerspec64 *old);
 	/*
 	 * Optional character device methods:
 	 */

index 9cff0ab82b63..e24008c098c6 100644
@@ -300,14 +300,17 @@ static int pc_clock_adjtime(clockid_t id, struct timex *tx)
 static int pc_clock_gettime(clockid_t id, struct timespec *ts)
 {
 	struct posix_clock_desc cd;
+	struct timespec64 ts64;
 	int err;
 
 	err = get_clock_desc(id, &cd);
 	if (err)
 		return err;
 
-	if (cd.clk->ops.clock_gettime)
-		err = cd.clk->ops.clock_gettime(cd.clk, ts);
+	if (cd.clk->ops.clock_gettime) {
+		err = cd.clk->ops.clock_gettime(cd.clk, &ts64);
+		*ts = timespec64_to_timespec(ts64);
+	}
 	else
 		err = -EOPNOTSUPP;
 

@@ -319,14 +322,17 @@ static int pc_clock_gettime(clockid_t id, struct timespec *ts)
 static int pc_clock_getres(clockid_t id, struct timespec *ts)
 {
 	struct posix_clock_desc cd;
+	struct timespec64 ts64;
 	int err;
 
 	err = get_clock_desc(id, &cd);
 	if (err)
 		return err;
 
-	if (cd.clk->ops.clock_getres)
-		err = cd.clk->ops.clock_getres(cd.clk, ts);
+	if (cd.clk->ops.clock_getres) {
+		err = cd.clk->ops.clock_getres(cd.clk, &ts64);
+		*ts = timespec64_to_timespec(ts64);
+	}
 	else
 		err = -EOPNOTSUPP;
 

@@ -337,6 +343,7 @@ static int pc_clock_getres(clockid_t id, struct timespec *ts)
 
 static int pc_clock_settime(clockid_t id, const struct timespec *ts)
 {
+	struct timespec64 ts64 = timespec_to_timespec64(*ts);
 	struct posix_clock_desc cd;
 	int err;
 

@@ -350,7 +357,7 @@ static int pc_clock_settime(clockid_t id, const struct timespec *ts)
 	}
 
 	if (cd.clk->ops.clock_settime)
-		err = cd.clk->ops.clock_settime(cd.clk, ts);
+		err = cd.clk->ops.clock_settime(cd.clk, &ts64);
 	else
 		err = -EOPNOTSUPP;
 out:

@@ -403,29 +410,36 @@ static void pc_timer_gettime(struct k_itimer *kit, struct itimerspec *ts)
 {
 	clockid_t id = kit->it_clock;
 	struct posix_clock_desc cd;
+	struct itimerspec64 ts64;
 
 	if (get_clock_desc(id, &cd))
 		return;
 
-	if (cd.clk->ops.timer_gettime)
-		cd.clk->ops.timer_gettime(cd.clk, kit, ts);
-
+	if (cd.clk->ops.timer_gettime) {
+		cd.clk->ops.timer_gettime(cd.clk, kit, &ts64);
+		*ts = itimerspec64_to_itimerspec(&ts64);
+	}
 	put_clock_desc(&cd);
 }
 
 static int pc_timer_settime(struct k_itimer *kit, int flags,
 			    struct itimerspec *ts, struct itimerspec *old)
 {
+	struct itimerspec64 ts64 = itimerspec_to_itimerspec64(ts);
 	clockid_t id = kit->it_clock;
 	struct posix_clock_desc cd;
+	struct itimerspec64 old64;
 	int err;
 
 	err = get_clock_desc(id, &cd);
 	if (err)
 		return err;
 
-	if (cd.clk->ops.timer_settime)
-		err = cd.clk->ops.timer_settime(cd.clk, kit, flags, ts, old);
+	if (cd.clk->ops.timer_settime) {
+		err = cd.clk->ops.timer_settime(cd.clk, kit, flags, &ts64, &old64);
+		if (old)
+			*old = itimerspec64_to_itimerspec(&old64);
+	}
 	else
 		err = -EOPNOTSUPP;
 

index 9d5f0c7ed3f7..eab8cdad7dc3 100644
@@ -251,6 +251,9 @@ static int __acpi_processor_start(struct acpi_device *device)
 	if (ACPI_SUCCESS(status))
 		return 0;
 
+	result = -ENODEV;
+	acpi_pss_perf_exit(pr, device);
+
 err_power_exit:
 	acpi_processor_power_exit(pr);
 	return result;

index eab8cdad7dc3..8697a82bd465 100644
@@ -262,11 +262,16 @@ static int __acpi_processor_start(struct acpi_device *device)
 static int acpi_processor_start(struct device *dev)
 {
 	struct acpi_device *device = ACPI_COMPANION(dev);
+	int ret;
 
 	if (!device)
 		return -ENODEV;
 
-	return __acpi_processor_start(device);
+	/* Protect against concurrent CPU hotplug operations */
+	get_online_cpus();
+	ret = __acpi_processor_start(device);
+	put_online_cpus();
+	return ret;
 }
 
 static int acpi_processor_stop(struct device *dev)

116 lines not on this page · raw message

index 86628e22b2a3..719c3d9f07fb 100644
@@ -30,54 +30,63 @@
 
 static DEFINE_PER_CPU(struct clk, sh_cpuclk);
 
+struct cpufreq_target {
+	struct cpufreq_policy	*policy;
+	unsigned int		freq;
+};
+
 static unsigned int sh_cpufreq_get(unsigned int cpu)
 {
 	return (clk_get_rate(&per_cpu(sh_cpuclk, cpu)) + 500) / 1000;
 }
 
-/*
- * Here we notify other drivers of the proposed change and the final change.
- */
-static int sh_cpufreq_target(struct cpufreq_policy *policy,
-			     unsigned int target_freq,
-			     unsigned int relation)
+static long __sh_cpufreq_target(void *arg)
 {
-	unsigned int cpu = policy->cpu;
+	struct cpufreq_target *target = arg;
+	struct cpufreq_policy *policy = target->policy;
+	int cpu = policy->cpu;
 	struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
-	cpumask_t cpus_allowed;
 	struct cpufreq_freqs freqs;
 	struct device *dev;
 	long freq;
 
-	cpus_allowed = current->cpus_allowed;
-	set_cpus_allowed_ptr(current, cpumask_of(cpu));
-
-	BUG_ON(smp_processor_id() != cpu);
+	if (smp_processor_id() != cpu)
+		return -ENODEV;
 
 	dev = get_cpu_device(cpu);
 
 	/* Convert target_freq from kHz to Hz */
-	freq = clk_round_rate(cpuclk, target_freq * 1000);
+	freq = clk_round_rate(cpuclk, target->freq * 1000);
 
 	if (freq < (policy->min * 1000) || freq > (policy->max * 1000))
 		return -EINVAL;
 
-	dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000);
+	dev_dbg(dev, "requested frequency %u Hz\n", target->freq * 1000);
 
 	freqs.old	= sh_cpufreq_get(cpu);
 	freqs.new	= (freq + 500) / 1000;
 	freqs.flags	= 0;
 
-	cpufreq_freq_transition_begin(policy, &freqs);
-	set_cpus_allowed_ptr(current, &cpus_allowed);
+	cpufreq_freq_transition_begin(target->policy, &freqs);
 	clk_set_rate(cpuclk, freq);
-	cpufreq_freq_transition_end(policy, &freqs, 0);
+	cpufreq_freq_transition_end(target->policy, &freqs, 0);
 
 	dev_dbg(dev, "set frequency %lu Hz\n", freq);
-
 	return 0;
 }
 
+/*
+ * Here we notify other drivers of the proposed change and the final change.
+ */
+static int sh_cpufreq_target(struct cpufreq_policy *policy,
+			     unsigned int target_freq,
+			     unsigned int relation)
+{
+	struct cpufreq_target data = { .policy = policy, .freq = target_freq };
+
+	return work_on_cpu(policy->cpu, __sh_cpufreq_target, &data);
+}
+
 static int sh_cpufreq_verify(struct cpufreq_policy *policy)
 {
 	struct clk *cpuclk = &per_cpu(sh_cpuclk, policy->cpu);

index ea41820ab12e..ed18aa4dceab 100644
@@ -1210,8 +1210,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
 		 * set the trigger type must match. Also all must
 		 * agree on ONESHOT.
 		 */
+		unsigned int oldtype = irqd_get_trigger_type(&desc->irq_data);
+
 		if (!((old->flags & new->flags) & IRQF_SHARED) ||
-		    ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK) ||
+		    (oldtype != (new->flags & IRQF_TRIGGER_MASK)) ||
 		    ((old->flags ^ new->flags) & IRQF_ONESHOT))
 			goto mismatch;
 

index dfc98df7b1b6..7aa7b9cb6203 100644
@@ -18,6 +18,9 @@
 #define ACPI_SMBUS_HC_CLASS		"smbus"
 #define ACPI_SMBUS_HC_DEVICE_NAME	"cmi"
 
+/* SMBUS HID definition as supported by Microsoft Windows */
+#define ACPI_SMBUS_MS_HID		"SMB0001"
+
 ACPI_MODULE_NAME("smbus_cmi");
 
 struct smbus_methods_t {

@@ -51,6 +54,7 @@ static const struct smbus_methods_t ibm_smbus_methods = {
 static const struct acpi_device_id acpi_smbus_cmi_ids[] = {
 	{"SMBUS01", (kernel_ulong_t)&smbus_methods},
 	{ACPI_SMBUS_IBM_HID, (kernel_ulong_t)&ibm_smbus_methods},
+	{ACPI_SMBUS_MS_HID, (kernel_ulong_t)&smbus_methods},
 	{"", 0}
 };
 MODULE_DEVICE_TABLE(acpi, acpi_smbus_cmi_ids);

index d8e671457d10..41c22cb33424 100644
@@ -1723,6 +1723,8 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event,
 	case NETDEV_CHANGEADDR:
 		neigh_changeaddr(&nd_tbl, dev);
 		fib6_run_gc(0, net, false);
+		/* fallthrough */
+	case NETDEV_UP:
 		idev = in6_dev_get(dev);
 		if (!idev)
 			break;

index b5b5b195ea7f..42ce88ceac66 100644
@@ -779,6 +779,29 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, u8 * b
 		goto exit;
 	}
 
+	/*
+	 * It may need some time for the CAM to settle down, or there might
+	 * be a race condition between the CAM, writing HC and our last
+	 * check for DA. This happens, if the CAM asserts DA, just after
+	 * checking DA before we are setting HC. In this case it might be
+	 * a bug in the CAM to keep the FR bit, the lower layer/HW
+	 * communication requires a longer timeout or the CAM needs more
+	 * time internally. But this happens in reality!
+	 * We need to read the status from the HW again and do the same
+	 * we did for the previous check for DA
+	 */
+	status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS);
+	if (status < 0)
+		goto exit;
+
+	if (status & (STATUSREG_DA | STATUSREG_RE)) {
+		if (status & STATUSREG_DA)
+			dvb_ca_en50221_thread_wakeup(ca);
+
+		status = -EAGAIN;
+		goto exit;
+	}
+
 	/* send the amount of data */
 	if ((status = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH, bytes_write >> 8)) != 0)
 		goto exit;

index 06a77e47957d..cc0f5383a55a 100644
@@ -3764,6 +3764,7 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
 		  struct btrfs_ioctl_balance_args *bargs)
 {
 	struct btrfs_fs_info *fs_info = bctl->fs_info;
+	u64 meta_target, data_target;
 	u64 allowed;
 	int mixed = 0;
 	int ret;

@@ -3860,11 +3861,16 @@ int btrfs_balance(struct btrfs_balance_control *bctl,
 		}
 	} while (read_seqretry(&fs_info->profiles_lock, seq));
 
-	if (btrfs_get_num_tolerated_disk_barrier_failures(bctl->meta.target) <
-		btrfs_get_num_tolerated_disk_barrier_failures(bctl->data.target)) {
+	/* if we're not converting, the target field is uninitialized */
+	meta_target = (bctl->meta.flags & BTRFS_BALANCE_ARGS_CONVERT) ?
+		bctl->meta.target : fs_info->avail_metadata_alloc_bits;
+	data_target = (bctl->data.flags & BTRFS_BALANCE_ARGS_CONVERT) ?
+		bctl->data.target : fs_info->avail_data_alloc_bits;
+	if (btrfs_get_num_tolerated_disk_barrier_failures(meta_target) <
+		btrfs_get_num_tolerated_disk_barrier_failures(data_target)) {
 		btrfs_warn(fs_info,
 			   "metadata profile 0x%llx has lower redundancy than data profile 0x%llx",
-			   bctl->meta.target, bctl->data.target);
+			   meta_target, data_target);
 	}
 
 	if (bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) {

index 0bfa68862460..cd16b431d1bd 100644
@@ -420,7 +420,21 @@ static const struct dmi_system_id byt_table[] = {
 		.callback = byt_thinkpad10_quirk_cb,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "20C3001VHH"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad 10"),
+		},
+	},
+	{
+		.callback = byt_thinkpad10_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Tablet B"),
+		},
+	},
+	{
+		.callback = byt_thinkpad10_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Miix 2 10"),
 		},
 	},
 	{ }

index 71620fa95953..d025eafc09c2 100644
@@ -1908,6 +1908,7 @@ static __init int nfit_test_init(void)
 			put_device(&pdev->dev);
 			goto err_register;
 		}
+		get_device(&pdev->dev);
 
 		rc = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
 		if (rc)

@@ -1926,6 +1927,10 @@ static __init int nfit_test_init(void)
 		if (instances[i])
 			platform_device_unregister(&instances[i]->pdev);
 	nfit_test_teardown();
+	for (i = 0; i < NUM_NFITS; i++)
+		if (instances[i])
+			put_device(&instances[i]->pdev.dev);
+
 	return rc;
 }
 

@@ -1933,10 +1938,13 @@ static __exit void nfit_test_exit(void)
 {
 	int i;
 
-	platform_driver_unregister(&nfit_test_driver);
 	for (i = 0; i < NUM_NFITS; i++)
 		platform_device_unregister(&instances[i]->pdev);
+	platform_driver_unregister(&nfit_test_driver);
 	nfit_test_teardown();
+
+	for (i = 0; i < NUM_NFITS; i++)
+		put_device(&instances[i]->pdev.dev);
 	class_destroy(nfit_test_dimm);
 }
 

index 447497e9124c..d25cc4037e23 100644
@@ -115,8 +115,8 @@ static int dw_spi_mmio_remove(struct platform_device *pdev)
 {
 	struct dw_spi_mmio *dwsmmio = platform_get_drvdata(pdev);
 
-	clk_disable_unprepare(dwsmmio->clk);
 	dw_spi_remove_host(&dwsmmio->dws);
+	clk_disable_unprepare(dwsmmio->clk);
 
 	return 0;
 }

index ab68d0ee7725..4e54282c29b4 100644
@@ -474,7 +474,8 @@ enum {
 	    CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
 	    CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_ARCH_300)
-#define CPU_FTRS_POWER9_DD1 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1)
+#define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \
+			     (~CPU_FTR_SAO))
 #define CPU_FTRS_CELL	(CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \

index f8506037736f..404fc306cb2a 100644
@@ -254,8 +254,12 @@ bool ath_is_49ghz_allowed(u16 regdomain)
 EXPORT_SYMBOL(ath_is_49ghz_allowed);
 
 /* Frequency is one where radar detection is required */
-static bool ath_is_radar_freq(u16 center_freq)
+static bool ath_is_radar_freq(u16 center_freq,
+			      struct ath_regulatory *reg)
+
 {
+	if (reg->country_code == CTRY_INDIA)
+		return (center_freq >= 5500 && center_freq <= 5700);
 	return (center_freq >= 5260 && center_freq <= 5700);
 }
 

@@ -306,7 +310,7 @@ __ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
 				enum nl80211_reg_initiator initiator,
 				struct ieee80211_channel *ch)
 {
-	if (ath_is_radar_freq(ch->center_freq) ||
+	if (ath_is_radar_freq(ch->center_freq, reg) ||
 	    (ch->flags & IEEE80211_CHAN_RADAR))
 		return;
 

@@ -395,8 +399,9 @@ ath_reg_apply_ir_flags(struct wiphy *wiphy,
 	}
 }
 
-/* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
-static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
+/* Always apply Radar/DFS rules on freq range 5500 MHz - 5700 MHz */
+static void ath_reg_apply_radar_flags(struct wiphy *wiphy,
+				      struct ath_regulatory *reg)
 {
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_channel *ch;

@@ -409,7 +414,7 @@ static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
 
 	for (i = 0; i < sband->n_channels; i++) {
 		ch = &sband->channels[i];
-		if (!ath_is_radar_freq(ch->center_freq))
+		if (!ath_is_radar_freq(ch->center_freq, reg))
 			continue;
 		/* We always enable radar detection/DFS on this
 		 * frequency range. Additionally we also apply on

@@ -505,7 +510,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
 	struct ath_common *common = container_of(reg, struct ath_common,
 						 regulatory);
 	/* We always apply this */
-	ath_reg_apply_radar_flags(wiphy);
+	ath_reg_apply_radar_flags(wiphy, reg);
 
 	/*
 	 * This would happen when we have sent a custom regulatory request

@@ -653,7 +658,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 	}
 
 	wiphy_apply_custom_regulatory(wiphy, regd);
-	ath_reg_apply_radar_flags(wiphy);
+	ath_reg_apply_radar_flags(wiphy, reg);
 	ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
 	return 0;
 }

index a564e9248814..adc14145861a 100644
@@ -103,7 +103,7 @@ CLK_OF_DECLARE(ns2_genpll_src_clk, "brcm,ns2-genpll-scr",
 
 static const struct iproc_pll_ctrl genpll_sw = {
 	.flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
-	.aon = AON_VAL(0x0, 2, 9, 8),
+	.aon = AON_VAL(0x0, 1, 11, 10),
 	.reset = RESET_VAL(0x4, 2, 1),
 	.dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 2, 3),
 	.ndiv_int = REG_VAL(0x8, 4, 10),

index 88f260db3744..68412ff2112e 100644
@@ -76,8 +76,8 @@ void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_wait)
 }
 IWL_EXPORT_SYMBOL(iwl_notification_wait_init);
 
-void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait,
-				  struct iwl_rx_packet *pkt)
+bool iwl_notification_wait(struct iwl_notif_wait_data *notif_wait,
+			   struct iwl_rx_packet *pkt)
 {
 	bool triggered = false;
 

@@ -118,13 +118,11 @@ void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait,
 			}
 		}
 		spin_unlock(&notif_wait->notif_wait_lock);
-
 	}
 
-	if (triggered)
-		wake_up_all(&notif_wait->notif_waitq);
+	return triggered;
 }
-IWL_EXPORT_SYMBOL(iwl_notification_wait_notify);
+IWL_EXPORT_SYMBOL(iwl_notification_wait);
 
 void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
 {

index 0f9995ed71cd..368884be4e7c 100644
@@ -6,7 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as

@@ -32,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without

@@ -89,10 +90,10 @@ struct iwl_notif_wait_data {
  *
  * This structure is not used directly, to wait for a
  * notification declare it on the stack, and call
- * iwlagn_init_notification_wait() with appropriate
+ * iwl_init_notification_wait() with appropriate
  * parameters. Then do whatever will cause the ucode
  * to notify the driver, and to wait for that then
- * call iwlagn_wait_notification().
+ * call iwl_wait_notification().
  *
  * Each notification is one-shot. If at some point we
  * need to support multi-shot notifications (which

@@ -114,10 +115,24 @@ struct iwl_notification_wait {
 
 /* caller functions */
 void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_data);
-void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_data,
-				  struct iwl_rx_packet *pkt);
+bool iwl_notification_wait(struct iwl_notif_wait_data *notif_data,
+			   struct iwl_rx_packet *pkt);
 void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data);
 
+static inline void
+iwl_notification_notify(struct iwl_notif_wait_data *notif_data)
+{
+	wake_up_all(&notif_data->notif_waitq);
+}
+
+static inline void
+iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_data,
+			     struct iwl_rx_packet *pkt)
+{
+	if (iwl_notification_wait(notif_data, pkt))
+		iwl_notification_notify(notif_data);
+}
+
 /* user functions */
 void __acquires(wait_entry)
 iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data,

index ea1618525878..e267377edbe7 100644
@@ -65,12 +65,12 @@
 #define IWL_A000_TX_POWER_VERSION	0xffff /* meaningless */
 
 /* Memory offsets and lengths */
-#define IWL_A000_DCCM_OFFSET		0x800000
-#define IWL_A000_DCCM_LEN		0x18000
+#define IWL_A000_DCCM_OFFSET		0x800000 /* LMAC1 */
+#define IWL_A000_DCCM_LEN		0x10000 /* LMAC1 */
 #define IWL_A000_DCCM2_OFFSET		0x880000
 #define IWL_A000_DCCM2_LEN		0x8000
 #define IWL_A000_SMEM_OFFSET		0x400000
-#define IWL_A000_SMEM_LEN		0x68000
+#define IWL_A000_SMEM_LEN		0xD0000
 
 #define IWL_A000_FW_PRE "iwlwifi-Qu-a0-jf-b0-"
 #define IWL_A000_MODULE_FIRMWARE(api) \

index c680d7641311..8f4adc1d9588 100644
@@ -28,6 +28,7 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_tcq.h>
+#include <scsi/scsi_devinfo.h>
 #include <linux/seqlock.h>
 
 #define VIRTIO_SCSI_MEMPOOL_SZ 64

@@ -705,6 +706,28 @@ static int virtscsi_device_reset(struct scsi_cmnd *sc)
 	return virtscsi_tmf(vscsi, cmd);
 }
 
+static int virtscsi_device_alloc(struct scsi_device *sdevice)
+{
+	/*
+	 * Passed through SCSI targets (e.g. with qemu's 'scsi-block')
+	 * may have transfer limits which come from the host SCSI
+	 * controller or something on the host side other than the
+	 * target itself.
+	 *
+	 * To make this work properly, the hypervisor can adjust the
+	 * target's VPD information to advertise these limits.  But
+	 * for that to work, the guest has to look at the VPD pages,
+	 * which we won't do by default if it is an SPC-2 device, even
+	 * if it does actually support it.
+	 *
+	 * So, set the blist to always try to read the VPD pages.
+	 */
+	sdevice->sdev_bflags = BLIST_TRY_VPD_PAGES;
+
+	return 0;
+}
+
+
 /**
  * virtscsi_change_queue_depth() - Change a virtscsi target's queue depth
  * @sdev:	Virtscsi target whose queue depth to change

@@ -776,6 +799,7 @@ static struct scsi_host_template virtscsi_host_template_single = {
 	.change_queue_depth = virtscsi_change_queue_depth,
 	.eh_abort_handler = virtscsi_abort,
 	.eh_device_reset_handler = virtscsi_device_reset,
+	.slave_alloc = virtscsi_device_alloc,
 
 	.can_queue = 1024,
 	.dma_boundary = UINT_MAX,

index a587e8f4fd26..4b4e927c4822 100644
@@ -177,12 +177,15 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
 	ret = mmu_hash_ops.hpte_insert(hpteg, vpn, hpaddr, rflags, vflags,
 				       hpsize, hpsize, MMU_SEGSIZE_256M);
 
-	if (ret < 0) {
+	if (ret == -1) {
 		/* If we couldn't map a primary PTE, try a secondary */
 		hash = ~hash;
 		vflags ^= HPTE_V_SECONDARY;
 		attempt++;
 		goto map_again;
+	} else if (ret < 0) {
+		r = -EIO;
+		goto out_unlock;
 	} else {
 		trace_kvm_book3s_64_mmu_map(rflags, hpteg,
 					    vpn, hpaddr, orig_pte);

index 826c541a12af..e0d88d0890aa 100644
@@ -627,7 +627,11 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			kvmppc_mmu_unmap_page(vcpu, &pte);
 		}
 		/* The guest's PTE is not mapped yet. Map on the host */
-		kvmppc_mmu_map_page(vcpu, &pte, iswrite);
+		if (kvmppc_mmu_map_page(vcpu, &pte, iswrite) == -EIO) {
+			/* Exit KVM if mapping failed */
+			run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+			return RESUME_HOST;
+		}
 		if (data)
 			vcpu->stat.sp_storage++;
 		else if (vcpu->arch.mmu.is_dcbz32(vcpu) &&

index 2478ccd6f2d9..1e36f11831a9 100644
@@ -146,7 +146,6 @@ static int mwifiex_unregister(struct mwifiex_adapter *adapter)
 
 	kfree(adapter->regd);
 
-	vfree(adapter->chan_stats);
 	kfree(adapter);
 	return 0;
 }

@@ -636,6 +635,7 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context)
 	goto done;
 
 err_add_intf:
+	vfree(adapter->chan_stats);
 	wiphy_unregister(adapter->wiphy);
 	wiphy_free(adapter->wiphy);
 err_init_fw:

@@ -1429,6 +1429,7 @@ mwifiex_shutdown_sw(struct mwifiex_adapter *adapter, struct semaphore *sem)
 			mwifiex_del_virtual_intf(adapter->wiphy, &priv->wdev);
 		rtnl_unlock();
 	}
+	vfree(adapter->chan_stats);
 
 	up(sem);
 exit_sem_err:

@@ -1729,6 +1730,7 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 			mwifiex_del_virtual_intf(adapter->wiphy, &priv->wdev);
 		rtnl_unlock();
 	}
+	vfree(adapter->chan_stats);
 
 	wiphy_unregister(adapter->wiphy);
 	wiphy_free(adapter->wiphy);

index ca699677e288..ea217caa731c 100644
@@ -33,6 +33,7 @@
 #include <asm/mce.h>
 #include <asm/trace/irq_vectors.h>
 #include <asm/kexec.h>
+#include <asm/virtext.h>
 
 /*
  *	Some notes on x86 processor bugs affecting SMP operation:

@@ -162,6 +163,7 @@ static int smp_stop_nmi_callback(unsigned int val, struct pt_regs *regs)
 	if (raw_smp_processor_id() == atomic_read(&stopping_cpu))
 		return NMI_HANDLED;
 
+	cpu_emergency_vmxoff();
 	stop_this_cpu(NULL);
 
 	return NMI_HANDLED;

@@ -174,6 +176,7 @@ static int smp_stop_nmi_callback(unsigned int val, struct pt_regs *regs)
 asmlinkage __visible void smp_reboot_interrupt(void)
 {
 	ipi_entering_ack_irq();
+	cpu_emergency_vmxoff();
 	stop_this_cpu(NULL);
 	irq_exit();
 }

index 3f1759411d51..414e60ed0257 100644
@@ -29,11 +29,6 @@
 #endif
 
 #ifdef CONFIG_DYNAMIC_FTRACE
-#ifdef CONFIG_OLD_MCOUNT
-#define OLD_MCOUNT_ADDR	((unsigned long) mcount)
-#define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old)
-
-#define	OLD_NOP		0xe1a00000	/* mov r0, r0 */
 
 static int __ftrace_modify_code(void *data)
 {

@@ -51,6 +46,12 @@ void arch_ftrace_update_code(int command)
 	stop_machine(__ftrace_modify_code, &command, NULL);
 }
 
+#ifdef CONFIG_OLD_MCOUNT
+#define OLD_MCOUNT_ADDR	((unsigned long) mcount)
+#define OLD_FTRACE_ADDR ((unsigned long) ftrace_caller_old)
+
+#define	OLD_NOP		0xe1a00000	/* mov r0, r0 */
+
 static unsigned long ftrace_nop_replace(struct dyn_ftrace *rec)
 {
 	return rec->arch.old_mcount ? OLD_NOP : NOP;

index d74374f25392..abf696b49dd7 100644
@@ -55,6 +55,7 @@ static unsigned int gic_cpu_pin;
 static unsigned int timer_cpu_pin;
 static struct irq_chip gic_level_irq_controller, gic_edge_irq_controller;
 DECLARE_BITMAP(ipi_resrv, GIC_MAX_INTRS);
+DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS);
 
 static void __gic_irq_dispatch(void);
 

@@ -746,17 +747,17 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
 
 		return gic_setup_dev_chip(d, virq, spec->hwirq);
 	} else {
-		base_hwirq = find_first_bit(ipi_resrv, gic_shared_intrs);
+		base_hwirq = find_first_bit(ipi_available, gic_shared_intrs);
 		if (base_hwirq == gic_shared_intrs) {
 			return -ENOMEM;
 		}
 
 		/* check that we have enough space */
 		for (i = base_hwirq; i < nr_irqs; i++) {
-			if (!test_bit(i, ipi_resrv))
+			if (!test_bit(i, ipi_available))
 				return -EBUSY;
 		}
-		bitmap_clear(ipi_resrv, base_hwirq, nr_irqs);
+		bitmap_clear(ipi_available, base_hwirq, nr_irqs);
 
 		/* map the hwirq for each cpu consecutively */
 		i = 0;

@@ -787,7 +788,7 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq,
 
 	return 0;
 error:
-	bitmap_set(ipi_resrv, base_hwirq, nr_irqs);
+	bitmap_set(ipi_available, base_hwirq, nr_irqs);
 	return ret;
 }
 

@@ -802,7 +803,7 @@ void gic_irq_domain_free(struct irq_domain *d, unsigned int virq,
 		return;
 
 	base_hwirq = GIC_HWIRQ_TO_SHARED(irqd_to_hwirq(data));
-	bitmap_set(ipi_resrv, base_hwirq, nr_irqs);
+	bitmap_set(ipi_available, base_hwirq, nr_irqs);
 }
 
 int gic_irq_domain_match(struct irq_domain *d, struct device_node *node,

@@ -1066,6 +1067,7 @@ static void __init __gic_init(unsigned long gic_base_addr,
 			   2 * gic_vpes);
 	}
 
+	bitmap_copy(ipi_available, ipi_resrv, GIC_MAX_INTRS);
 	gic_basic_init();
 }
 

index e2583cce2cc1..54556713c8d1 100644
@@ -1299,6 +1299,7 @@ static int __init omap_iommu_init(void)
 	const unsigned long flags = SLAB_HWCACHE_ALIGN;
 	size_t align = 1 << 10; /* L2 pagetable alignement */
 	struct device_node *np;
+	int ret;
 
 	np = of_find_matching_node(NULL, omap_iommu_of_match);
 	if (!np)