Linux 4.19.130

64 lines not on this page · raw message

index 62b0eb6cf69a..84eab0f5e00a 100644
@@ -216,8 +216,10 @@ static int __init mcf_pci_init(void)
 
 	/* Keep a virtual mapping to IO/config space active */
 	iospace = (unsigned long) ioremap(PCI_IO_PA, PCI_IO_SIZE);
-	if (iospace == 0)
+	if (iospace == 0) {
+		pci_free_host_bridge(bridge);
 		return -ENODEV;
+	}
 	pr_info("Coldfire: PCI IO/config window mapped to 0x%x\n",
 		(u32) iospace);
 

index 2aea6efc2e63..008eb63fa851 100644
@@ -985,10 +985,25 @@ extern struct page *pgd_page(pgd_t pgd);
 #define pud_page_vaddr(pud)	__va(pud_val(pud) & ~PUD_MASKED_BITS)
 #define pgd_page_vaddr(pgd)	__va(pgd_val(pgd) & ~PGD_MASKED_BITS)
 
-#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
-#define pud_index(address) (((address) >> (PUD_SHIFT)) & (PTRS_PER_PUD - 1))
-#define pmd_index(address) (((address) >> (PMD_SHIFT)) & (PTRS_PER_PMD - 1))
-#define pte_index(address) (((address) >> (PAGE_SHIFT)) & (PTRS_PER_PTE - 1))
+static inline unsigned long pgd_index(unsigned long address)
+{
+	return (address >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1);
+}
+
+static inline unsigned long pud_index(unsigned long address)
+{
+	return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1);
+}
+
+static inline unsigned long pmd_index(unsigned long address)
+{
+	return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1);
+}
+
+static inline unsigned long pte_index(unsigned long address)
+{
+	return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
+}
 
 /*
  * Find an entry in a page-table-directory.  We combine the address region

index 52fadded5c1e..45bbcffcb7b6 100644
@@ -386,7 +386,6 @@ struct thread_struct {
 #else
 #define INIT_THREAD  { \
 	.ksp = INIT_SP, \
-	.regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \
 	.addr_limit = KERNEL_DS, \
 	.fpexc_mode = 0, \
 	.ppr = INIT_PPR, \

index 63f5a9311a29..094c37fb07a9 100644
@@ -116,11 +116,12 @@ void machine_kexec(struct kimage *image)
 
 void __init reserve_crashkernel(void)
 {
-	unsigned long long crash_size, crash_base;
+	unsigned long long crash_size, crash_base, total_mem_sz;
 	int ret;
 
+	total_mem_sz = memory_limit ? memory_limit : memblock_phys_mem_size();
 	/* use common parsing */
-	ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
+	ret = parse_crashkernel(boot_command_line, total_mem_sz,
 			&crash_size, &crash_base);
 	if (ret == 0 && crash_size > 0) {
 		crashk_res.start = crash_base;

@@ -179,6 +180,7 @@ void __init reserve_crashkernel(void)
 	/* Crash kernel trumps memory limit */
 	if (memory_limit && memory_limit <= crashk_res.end) {
 		memory_limit = crashk_res.end + 1;
+		total_mem_sz = memory_limit;
 		printk("Adjusted memory limit for crashkernel, now 0x%llx\n",
 		       memory_limit);
 	}

@@ -187,7 +189,7 @@ void __init reserve_crashkernel(void)
 			"for crashkernel (System RAM: %ldMB)\n",
 			(unsigned long)(crash_size >> 20),
 			(unsigned long)(crashk_res.start >> 20),
-			(unsigned long)(memblock_phys_mem_size() >> 20));
+			(unsigned long)(total_mem_sz >> 20));
 
 	if (!memblock_is_region_memory(crashk_res.start, crash_size) ||
 	    memblock_reserve(crashk_res.start, crash_size)) {

index 998f8d089ac7..df0f08cb821b 100644
@@ -171,7 +171,13 @@ static struct kmem_cache *kvm_pmd_cache;
 
 static pte_t *kvmppc_pte_alloc(void)
 {
-	return kmem_cache_alloc(kvm_pte_cache, GFP_KERNEL);
+	pte_t *pte;
+
+	pte = kmem_cache_alloc(kvm_pte_cache, GFP_KERNEL);
+	/* pmd_populate() will only reference _pa(pte). */
+	kmemleak_ignore(pte);
+
+	return pte;
 }
 
 static void kvmppc_pte_free(pte_t *ptep)

@@ -187,7 +193,13 @@ static inline int pmd_is_leaf(pmd_t pmd)
 
 static pmd_t *kvmppc_pmd_alloc(void)
 {
-	return kmem_cache_alloc(kvm_pmd_cache, GFP_KERNEL);
+	pmd_t *pmd;
+
+	pmd = kmem_cache_alloc(kvm_pmd_cache, GFP_KERNEL);
+	/* pud_populate() will only reference _pa(pmd). */
+	kmemleak_ignore(pmd);
+
+	return pmd;
 }
 
 static void kvmppc_pmd_free(pmd_t *pmdp)

index 72238eedc360..2bb798918483 100644
@@ -1413,16 +1413,6 @@ static void h_24x7_event_read(struct perf_event *event)
 			h24x7hw = &get_cpu_var(hv_24x7_hw);
 			h24x7hw->events[i] = event;
 			put_cpu_var(h24x7hw);
-			/*
-			 * Clear the event count so we can compute the _change_
-			 * in the 24x7 raw counter value at the end of the txn.
-			 *
-			 * Note that we could alternatively read the 24x7 value
-			 * now and save its value in event->hw.prev_count. But
-			 * that would require issuing a hcall, which would then
-			 * defeat the purpose of using the txn interface.
-			 */
-			local64_set(&event->count, 0);
 		}
 
 		put_cpu_var(hv_24x7_reqb);

index 5aca523551ae..2f237027fdcc 100644
@@ -1242,7 +1242,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port)
 	if (mbase == NULL) {
 		printk(KERN_ERR "%pOF: Can't map internal config space !",
 			port->node);
-		goto done;
+		return;
 	}
 
 	while (attempt && (0 == (in_le32(mbase + PECFG_460SX_DLLSTA)

@@ -1252,9 +1252,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port)
 	}
 	if (attempt)
 		port->link = 1;
-done:
 	iounmap(mbase);
-
 }
 
 static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = {

index 8c7009d001d9..894f62d77a77 100644
@@ -212,13 +212,14 @@ void ps3_mm_vas_destroy(void)
 {
 	int result;
 
-	DBG("%s:%d: map.vas_id    = %llu\n", __func__, __LINE__, map.vas_id);
-
 	if (map.vas_id) {
 		result = lv1_select_virtual_address_space(0);
-		BUG_ON(result);
-		result = lv1_destruct_virtual_address_space(map.vas_id);
-		BUG_ON(result);
+		result += lv1_destruct_virtual_address_space(map.vas_id);
+
+		if (result) {
+			lv1_panic(0);
+		}
+
 		map.vas_id = 0;
 	}
 }

@@ -316,19 +317,20 @@ static void ps3_mm_region_destroy(struct mem_region *r)
 	int result;
 
 	if (!r->destroy) {
-		pr_info("%s:%d: Not destroying high region: %llxh %llxh\n",
-			__func__, __LINE__, r->base, r->size);
 		return;
 	}
 
-	DBG("%s:%d: r->base = %llxh\n", __func__, __LINE__, r->base);
-
 	if (r->base) {
 		result = lv1_release_memory(r->base);
-		BUG_ON(result);
+
+		if (result) {
+			lv1_panic(0);
+		}
+
 		r->size = r->base = r->offset = 0;
 		map.total = map.rm.size;
 	}
+
 	ps3_mm_set_repository_highmem(NULL);
 }
 

index 851ce326874a..e81a285f3a6c 100644
@@ -328,10 +328,11 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id)
 /*
  * Some versions of FWNMI place the buffer inside the 4kB page starting at
  * 0x7000. Other versions place it inside the rtas buffer. We check both.
+ * Minimum size of the buffer is 16 bytes.
  */
 #define VALID_FWNMI_BUFFER(A) \
-	((((A) >= 0x7000) && ((A) < 0x7ff0)) || \
-	(((A) >= rtas.base) && ((A) < (rtas.base + rtas.size - 16))))
+	((((A) >= 0x7000) && ((A) <= 0x8000 - 16)) || \
+	(((A) >= rtas.base) && ((A) <= (rtas.base + rtas.size - 16))))
 
 static inline struct rtas_error_log *fwnmi_get_errlog(void)
 {

index 96f9a9151fde..2becba8008c4 100644
@@ -38,7 +38,17 @@ static inline void syscall_rollback(struct task_struct *task,
 static inline long syscall_get_error(struct task_struct *task,
 				     struct pt_regs *regs)
 {
-	return IS_ERR_VALUE(regs->gprs[2]) ? regs->gprs[2] : 0;
+	unsigned long error = regs->gprs[2];
+#ifdef CONFIG_COMPAT
+	if (test_tsk_thread_flag(task, TIF_31BIT)) {
+		/*
+		 * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
+		 * and will match correctly in comparisons.
+		 */
+		error = (long)(int)error;
+	}
+#endif
+	return IS_ERR_VALUE(error) ? error : 0;
 }
 
 static inline long syscall_get_return_value(struct task_struct *task,

index 53dc8492f02f..e9456a2eef58 100644
@@ -2024,7 +2024,7 @@ void __init init_apic_mappings(void)
 	unsigned int new_apicid;
 
 	if (apic_validate_deadline_timer())
-		pr_debug("TSC deadline timer available\n");
+		pr_info("TSC deadline timer available\n");
 
 	if (x2apic_mode) {
 		boot_cpu_physical_apicid = read_apic_id();

index a7e0e975043f..e1f9355307b8 100644
@@ -320,7 +320,11 @@ void __init idt_setup_apic_and_irq_gates(void)
 
 #ifdef CONFIG_X86_LOCAL_APIC
 	for_each_clear_bit_from(i, system_vectors, NR_VECTORS) {
-		set_bit(i, system_vectors);
+		/*
+		 * Don't set the non assigned system vectors in the
+		 * system_vectors bitmap. Otherwise they show up in
+		 * /proc/interrupts.
+		 */
 		entry = spurious_entries_start + 8 * (i - FIRST_SYSTEM_VECTOR);
 		set_intr_gate(i, entry);
 	}

index 173e915e11d5..07e290244ca9 100644
@@ -765,16 +765,11 @@ asm(
 NOKPROBE_SYMBOL(kretprobe_trampoline);
 STACK_FRAME_NON_STANDARD(kretprobe_trampoline);
 
-static struct kprobe kretprobe_kprobe = {
-	.addr = (void *)kretprobe_trampoline,
-};
-
 /*
  * Called from kretprobe_trampoline
  */
 __visible __used void *trampoline_handler(struct pt_regs *regs)
 {
-	struct kprobe_ctlblk *kcb;
 	struct kretprobe_instance *ri = NULL;
 	struct hlist_head *head, empty_rp;
 	struct hlist_node *tmp;

@@ -784,16 +779,12 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 	void *frame_pointer;
 	bool skipped = false;
 
-	preempt_disable();
-
 	/*
 	 * Set a dummy kprobe for avoiding kretprobe recursion.
 	 * Since kretprobe never run in kprobe handler, kprobe must not
 	 * be running at this point.
 	 */
-	kcb = get_kprobe_ctlblk();
-	__this_cpu_write(current_kprobe, &kretprobe_kprobe);
-	kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+	kprobe_busy_begin();
 
 	INIT_HLIST_HEAD(&empty_rp);
 	kretprobe_hash_lock(current, &head, &flags);

@@ -872,7 +863,7 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 			__this_cpu_write(current_kprobe, &ri->rp->kp);
 			ri->ret_addr = correct_ret_addr;
 			ri->rp->handler(ri, regs);
-			__this_cpu_write(current_kprobe, &kretprobe_kprobe);
+			__this_cpu_write(current_kprobe, &kprobe_busy);
 		}
 
 		recycle_rp_inst(ri, &empty_rp);

@@ -888,8 +879,7 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 
 	kretprobe_hash_unlock(current, &flags);
 
-	__this_cpu_write(current_kprobe, NULL);
-	preempt_enable();
+	kprobe_busy_end();
 
 	hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
 		hlist_del(&ri->hlist);

104 lines not on this page · raw message

index c53df0b95385..50d59ad34619 100644
@@ -6775,35 +6775,6 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = {
 	.get_guest_ip		= kvm_get_guest_ip,
 };
 
-static void kvm_set_mmio_spte_mask(void)
-{
-	u64 mask;
-	int maxphyaddr = boot_cpu_data.x86_phys_bits;
-
-	/*
-	 * Set the reserved bits and the present bit of an paging-structure
-	 * entry to generate page fault with PFER.RSV = 1.
-	 */
-
-	/*
-	 * Mask the uppermost physical address bit, which would be reserved as
-	 * long as the supported physical address width is less than 52.
-	 */
-	mask = 1ull << 51;
-
-	/* Set the present bit. */
-	mask |= 1ull;
-
-	/*
-	 * If reserved bit is not supported, clear the present bit to disable
-	 * mmio page fault.
-	 */
-	if (maxphyaddr == 52)
-		mask &= ~1ull;
-
-	kvm_mmu_set_mmio_spte_mask(mask, mask);
-}
-
 #ifdef CONFIG_X86_64
 static void pvclock_gtod_update_fn(struct work_struct *work)
 {

@@ -6881,8 +6852,6 @@ int kvm_arch_init(void *opaque)
 	if (r)
 		goto out_free_percpu;
 
-	kvm_set_mmio_spte_mask();
-
 	kvm_x86_ops = ops;
 
 	kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK,

index 5e6df2a087fa..445da4a0618f 100644
@@ -193,8 +193,6 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)
 	if (IS_ERR(thread))
 		goto err_put_larval;
 
-	wait_for_completion_interruptible(&larval->completion);
-
 	return NOTIFY_STOP;
 
 err_put_larval:

index cfdaab2b7d76..1380a208b8ca 100644
@@ -78,14 +78,10 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
 		return PTR_ERR(areq);
 
 	/* convert iovecs of output buffers into RX SGL */
-	err = af_alg_get_rsgl(sk, msg, flags, areq, -1, &len);
+	err = af_alg_get_rsgl(sk, msg, flags, areq, ctx->used, &len);
 	if (err)
 		goto free;
 
-	/* Process only as much RX buffers for which we have TX data */
-	if (len > ctx->used)
-		len = ctx->used;
-
 	/*
 	 * If more buffers are to be expected to be processed, process only
 	 * full block size buffers.

index 75d582ca917f..6b372fa58382 100644
@@ -57,7 +57,6 @@
 #include <linux/workqueue.h>
 #include <linux/scatterlist.h>
 #include <linux/io.h>
-#include <linux/async.h>
 #include <linux/log2.h>
 #include <linux/slab.h>
 #include <linux/glob.h>

@@ -6610,7 +6609,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
 	/* perform each probe asynchronously */
 	for (i = 0; i < host->n_ports; i++) {
 		struct ata_port *ap = host->ports[i];
-		async_schedule(async_port_probe, ap);
+		ap->cookie = async_schedule(async_port_probe, ap);
 	}
 
 	return 0;

@@ -6750,11 +6749,11 @@ void ata_host_detach(struct ata_host *host)
 {
 	int i;
 
-	/* Ensure ata_port probe has completed */
-	async_synchronize_full();
-
-	for (i = 0; i < host->n_ports; i++)
+	for (i = 0; i < host->n_ports; i++) {
+		/* Ensure ata_port probe has completed */
+		async_synchronize_cookie(host->ports[i]->cookie + 1);
 		ata_port_detach(host->ports[i]);
+	}
 
 	/* the host is dead now, dissociate ACPI */
 	ata_acpi_dissociate(host);

index d1f901b58f75..349c2754eed7 100644
@@ -700,6 +700,8 @@ int __init_or_module __platform_driver_probe(struct platform_driver *drv,
 	/* temporary section violation during probe() */
 	drv->probe = probe;
 	retval = code = __platform_driver_register(drv, module);
+	if (retval)
+		return retval;
 
 	/*
 	 * Fixup that section violation, being paranoid about code scanning

index afe1508d82c6..bd1c66f5631a 100644
@@ -466,7 +466,6 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
 	queue->queuedata = dev;
 
 	blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
-	blk_queue_segment_boundary(queue, -1UL);
 	blk_queue_dma_alignment(queue, dev->blk_size-1);
 	blk_queue_logical_block_size(queue, dev->blk_size);
 

index 69734b1df792..cb85516e1eb3 100644
@@ -30,6 +30,7 @@
 #include <linux/workqueue.h>
 #include <linux/uuid.h>
 #include <linux/nospec.h>
+#include <linux/vmalloc.h>
 
 #define PFX "IPMI message handler: "
 

@@ -1089,7 +1090,7 @@ static void free_user_work(struct work_struct *work)
 					      remove_work);
 
 	cleanup_srcu_struct(&user->release_barrier);
-	kfree(user);
+	vfree(user);
 }
 
 int ipmi_create_user(unsigned int          if_num,

@@ -1121,7 +1122,7 @@ int ipmi_create_user(unsigned int          if_num,
 	if (rv)
 		return rv;
 
-	new_user = kmalloc(sizeof(*new_user), GFP_KERNEL);
+	new_user = vzalloc(sizeof(*new_user));
 	if (!new_user)
 		return -ENOMEM;
 

@@ -1170,7 +1171,7 @@ int ipmi_create_user(unsigned int          if_num,
 
 out_kfree:
 	srcu_read_unlock(&ipmi_interfaces_srcu, index);
-	kfree(new_user);
+	vfree(new_user);
 	return rv;
 }
 EXPORT_SYMBOL(ipmi_create_user);

index 7bef0666ae7e..1c093fb35ebe 100644
@@ -1447,13 +1447,13 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman,
 	return &clock->hw;
 }
 
-static struct clk *bcm2835_register_gate(struct bcm2835_cprman *cprman,
+static struct clk_hw *bcm2835_register_gate(struct bcm2835_cprman *cprman,
 					 const struct bcm2835_gate_data *data)
 {
-	return clk_register_gate(cprman->dev, data->name, data->parent,
-				 CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
-				 cprman->regs + data->ctl_reg,
-				 CM_GATE_BIT, 0, &cprman->regs_lock);
+	return clk_hw_register_gate(cprman->dev, data->name, data->parent,
+				    CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
+				    cprman->regs + data->ctl_reg,
+				    CM_GATE_BIT, 0, &cprman->regs_lock);
 }
 
 typedef struct clk_hw *(*bcm2835_clk_register)(struct bcm2835_cprman *cprman,

index ac2b0aa1e8b5..03e0ade7a6f3 100644
@@ -268,7 +268,7 @@ static struct clk_pll gpll0 = {
 	.l_reg = 0x21004,
 	.m_reg = 0x21008,
 	.n_reg = 0x2100c,
-	.config_reg = 0x21014,
+	.config_reg = 0x21010,
 	.mode_reg = 0x21000,
 	.status_reg = 0x2101c,
 	.status_bit = 17,

@@ -295,7 +295,7 @@ static struct clk_pll gpll1 = {
 	.l_reg = 0x20004,
 	.m_reg = 0x20008,
 	.n_reg = 0x2000c,
-	.config_reg = 0x20014,
+	.config_reg = 0x20010,
 	.mode_reg = 0x20000,
 	.status_reg = 0x2001c,
 	.status_bit = 17,

@@ -322,7 +322,7 @@ static struct clk_pll gpll2 = {
 	.l_reg = 0x4a004,
 	.m_reg = 0x4a008,
 	.n_reg = 0x4a00c,
-	.config_reg = 0x4a014,
+	.config_reg = 0x4a010,
 	.mode_reg = 0x4a000,
 	.status_reg = 0x4a01c,
 	.status_bit = 17,

@@ -349,7 +349,7 @@ static struct clk_pll bimc_pll = {
 	.l_reg = 0x23004,
 	.m_reg = 0x23008,
 	.n_reg = 0x2300c,
-	.config_reg = 0x23014,
+	.config_reg = 0x23010,
 	.mode_reg = 0x23000,
 	.status_reg = 0x2301c,
 	.status_bit = 17,

index 6473af8903c5..662bb441f139 100644
@@ -597,7 +597,7 @@ static const struct samsung_div_clock exynos5800_div_clks[] __initconst = {
 
 static const struct samsung_gate_clock exynos5800_gate_clks[] __initconst = {
 	GATE(CLK_ACLK550_CAM, "aclk550_cam", "mout_user_aclk550_cam",
-				GATE_BUS_TOP, 24, 0, 0),
+				GATE_BUS_TOP, 24, CLK_IS_CRITICAL, 0),
 	GATE(CLK_ACLK432_SCALER, "aclk432_scaler", "mout_user_aclk432_scaler",
 				GATE_BUS_TOP, 27, CLK_IS_CRITICAL, 0),
 	GATE(CLK_MAU_EPLL, "mau_epll", "mout_user_mau_epll",

@@ -984,25 +984,25 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {
 	GATE(0, "aclk300_jpeg", "mout_user_aclk300_jpeg",
 			GATE_BUS_TOP, 4, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk333_432_isp0", "mout_user_aclk333_432_isp0",
-			GATE_BUS_TOP, 5, 0, 0),
+			GATE_BUS_TOP, 5, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk300_gscl", "mout_user_aclk300_gscl",
 			GATE_BUS_TOP, 6, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk333_432_gscl", "mout_user_aclk333_432_gscl",
 			GATE_BUS_TOP, 7, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk333_432_isp", "mout_user_aclk333_432_isp",
-			GATE_BUS_TOP, 8, 0, 0),
+			GATE_BUS_TOP, 8, CLK_IS_CRITICAL, 0),
 	GATE(CLK_PCLK66_GPIO, "pclk66_gpio", "mout_user_pclk66_gpio",
 			GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk66_psgen", "mout_user_aclk66_psgen",
 			GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0),
 	GATE(0, "aclk266_isp", "mout_user_aclk266_isp",
-			GATE_BUS_TOP, 13, 0, 0),
+			GATE_BUS_TOP, 13, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk166", "mout_user_aclk166",
 			GATE_BUS_TOP, 14, CLK_IGNORE_UNUSED, 0),
 	GATE(CLK_ACLK333, "aclk333", "mout_user_aclk333",
 			GATE_BUS_TOP, 15, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk400_isp", "mout_user_aclk400_isp",
-			GATE_BUS_TOP, 16, 0, 0),
+			GATE_BUS_TOP, 16, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk400_mscl", "mout_user_aclk400_mscl",
 			GATE_BUS_TOP, 17, CLK_IS_CRITICAL, 0),
 	GATE(0, "aclk200_disp1", "mout_user_aclk200_disp1",

@@ -1208,8 +1208,10 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {
 			GATE_IP_GSCL1, 3, 0, 0),
 	GATE(CLK_SMMU_FIMCL1, "smmu_fimcl1", "dout_gscl_blk_333",
 			GATE_IP_GSCL1, 4, 0, 0),
-	GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12, 0, 0),
-	GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13, 0, 0),
+	GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12,
+			CLK_IS_CRITICAL, 0),
+	GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13,
+			CLK_IS_CRITICAL, 0),
 	GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3,", "dout_gscl_blk_333",
 			GATE_IP_GSCL1, 16, 0, 0),
 	GATE(CLK_FIMC_LITE3, "fimc_lite3", "aclk333_432_gscl",

index 302596dc79a2..0f2a9d767eef 100644
@@ -1680,7 +1680,8 @@ static const struct samsung_gate_clock peric_gate_clks[] __initconst = {
 	GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric",
 			ENABLE_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0),
 	GATE(CLK_SCLK_I2S1, "sclk_i2s1", "sclk_i2s1_peric",
-			ENABLE_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0),
+			ENABLE_SCLK_PERIC, 6,
+			CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
 	GATE(CLK_SCLK_SPI2, "sclk_spi2", "sclk_spi2_peric", ENABLE_SCLK_PERIC,
 			5, CLK_SET_RATE_PARENT, 0),
 	GATE(CLK_SCLK_SPI1, "sclk_spi1", "sclk_spi1_peric", ENABLE_SCLK_PERIC,

index 640270f51aa5..eb8862752c2b 100644
@@ -105,7 +105,7 @@ static unsigned long _sprd_pll_recalc_rate(const struct sprd_pll *pll,
 
 	cfg = kcalloc(regs_num, sizeof(*cfg), GFP_KERNEL);
 	if (!cfg)
-		return -ENOMEM;
+		return parent_rate;
 
 	for (i = 0; i < regs_num; i++)
 		cfg[i] = sprd_pll_read(pll, i);

index 918ba3164da9..cd856210db58 100644
@@ -373,6 +373,7 @@ static void __init st_of_flexgen_setup(struct device_node *np)
 			break;
 		}
 
+		flex_flags &= ~CLK_IS_CRITICAL;
 		of_clk_detect_critical(np, i, &flex_flags);
 
 		/*

index 004b411b640b..2bd035d48816 100644
@@ -98,7 +98,7 @@ static void sun6i_a31_get_pll1_factors(struct factors_request *req)
 	 * Round down the frequency to the closest multiple of either
 	 * 6 or 16
 	 */
-	u32 round_freq_6 = round_down(freq_mhz, 6);
+	u32 round_freq_6 = rounddown(freq_mhz, 6);
 	u32 round_freq_16 = round_down(freq_mhz, 16);
 
 	if (round_freq_6 > round_freq_16)

index 030e8b2c1050..c6478d0b996b 100644
@@ -196,6 +196,7 @@ static void __init _register_composite(void *user,
 		if (!cclk->comp_clks[i])
 			continue;
 		list_del(&cclk->comp_clks[i]->link);
+		kfree(cclk->comp_clks[i]->parent_names);
 		kfree(cclk->comp_clks[i]);
 	}
 

130 lines not on this page · raw message

index 18026354c332..b1fb38b7f270 100644
@@ -128,7 +128,7 @@ static int adc_jack_probe(struct platform_device *pdev)
 	for (i = 0; data->adc_conditions[i].id != EXTCON_NONE; i++);
 	data->num_conditions = i;
 
-	data->chan = iio_channel_get(&pdev->dev, pdata->consumer_channel);
+	data->chan = devm_iio_channel_get(&pdev->dev, pdata->consumer_channel);
 	if (IS_ERR(data->chan))
 		return PTR_ERR(data->chan);
 

@@ -170,7 +170,6 @@ static int adc_jack_remove(struct platform_device *pdev)
 
 	free_irq(data->irq, data);
 	cancel_work_sync(&data->handler.work);
-	iio_channel_release(data->chan);
 
 	return 0;
 }

index 98c987188835..513908a0c262 100644
@@ -18,7 +18,6 @@
 #include <linux/init.h>
 #include <linux/cpumask.h>
 #include <linux/export.h>
-#include <linux/dma-direct.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/types.h>

@@ -449,8 +448,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 	struct qcom_scm_mem_map_info *mem_to_map;
 	phys_addr_t mem_to_map_phys;
 	phys_addr_t dest_phys;
-	phys_addr_t ptr_phys;
-	dma_addr_t ptr_dma;
+	dma_addr_t ptr_phys;
 	size_t mem_to_map_sz;
 	size_t dest_sz;
 	size_t src_sz;

@@ -468,10 +466,9 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 	ptr_sz = ALIGN(src_sz, SZ_64) + ALIGN(mem_to_map_sz, SZ_64) +
 			ALIGN(dest_sz, SZ_64);
 
-	ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_dma, GFP_KERNEL);
+	ptr = dma_alloc_coherent(__scm->dev, ptr_sz, &ptr_phys, GFP_KERNEL);
 	if (!ptr)
 		return -ENOMEM;
-	ptr_phys = dma_to_phys(__scm->dev, ptr_dma);
 
 	/* Fill source vmid detail */
 	src = ptr;

@@ -501,7 +498,7 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
 
 	ret = __qcom_scm_assign_mem(__scm->dev, mem_to_map_phys, mem_to_map_sz,
 				    ptr_phys, src_sz, dest_phys, dest_sz);
-	dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_dma);
+	dma_free_coherent(__scm->dev, ptr_sz, ptr, ptr_phys);
 	if (ret) {
 		dev_err(__scm->dev,
 			"Assign memory protection call failed %d.\n", ret);

index c9a613dc9eb7..e056965ef97b 100644
@@ -106,10 +106,10 @@ static int afu_dma_pin_pages(struct dfl_feature_platform_data *pdata,
 				     region->pages);
 	if (pinned < 0) {
 		ret = pinned;
-		goto put_pages;
+		goto free_pages;
 	} else if (pinned != npages) {
 		ret = -EFAULT;
-		goto free_pages;
+		goto put_pages;
 	}
 
 	dev_dbg(dev, "%d pages pinned\n", pinned);

index 044888fd96a1..2a56efced798 100644
@@ -51,7 +51,9 @@
 #define GPIO_EXT_PORTC		0x58
 #define GPIO_EXT_PORTD		0x5c
 
+#define DWAPB_DRIVER_NAME	"gpio-dwapb"
 #define DWAPB_MAX_PORTS		4
+
 #define GPIO_EXT_PORT_STRIDE	0x04 /* register stride 32 bits */
 #define GPIO_SWPORT_DR_STRIDE	0x0c /* register stride 3*32 bits */
 #define GPIO_SWPORT_DDR_STRIDE	0x0c /* register stride 3*32 bits */

@@ -400,7 +402,7 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,
 		return;
 
 	err = irq_alloc_domain_generic_chips(gpio->domain, ngpio, 2,
-					     "gpio-dwapb", handle_level_irq,
+					     DWAPB_DRIVER_NAME, handle_level_irq,
 					     IRQ_NOREQUEST, 0,
 					     IRQ_GC_INIT_NESTED_LOCK);
 	if (err) {

@@ -457,7 +459,7 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio,
 		 */
 		err = devm_request_irq(gpio->dev, pp->irq[0],
 				       dwapb_irq_handler_mfd,
-				       IRQF_SHARED, "gpio-dwapb-mfd", gpio);
+				       IRQF_SHARED, DWAPB_DRIVER_NAME, gpio);
 		if (err) {
 			dev_err(gpio->dev, "error requesting IRQ\n");
 			irq_domain_remove(gpio->domain);

@@ -535,26 +537,33 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio,
 		dwapb_configure_irqs(gpio, port, pp);
 
 	err = gpiochip_add_data(&port->gc, port);
-	if (err)
+	if (err) {
 		dev_err(gpio->dev, "failed to register gpiochip for port%d\n",
 			port->idx);
-	else
-		port->is_registered = true;
+		return err;
+	}
 
 	/* Add GPIO-signaled ACPI event support */
-	if (pp->has_irq)
-		acpi_gpiochip_request_interrupts(&port->gc);
+	acpi_gpiochip_request_interrupts(&port->gc);
 
-	return err;
+	port->is_registered = true;
+
+	return 0;
 }
 
 static void dwapb_gpio_unregister(struct dwapb_gpio *gpio)
 {
 	unsigned int m;
 
-	for (m = 0; m < gpio->nr_ports; ++m)
-		if (gpio->ports[m].is_registered)
-			gpiochip_remove(&gpio->ports[m].gc);
+	for (m = 0; m < gpio->nr_ports; ++m) {
+		struct dwapb_gpio_port *port = &gpio->ports[m];
+
+		if (!port->is_registered)
+			continue;
+
+		acpi_gpiochip_free_interrupts(&port->gc);
+		gpiochip_remove(&port->gc);
+	}
 }
 
 static struct dwapb_platform_data *

@@ -842,7 +851,7 @@ static SIMPLE_DEV_PM_OPS(dwapb_gpio_pm_ops, dwapb_gpio_suspend,
 
 static struct platform_driver dwapb_gpio_driver = {
 	.driver		= {
-		.name	= "gpio-dwapb",
+		.name	= DWAPB_DRIVER_NAME,
 		.pm	= &dwapb_gpio_pm_ops,
 		.of_match_table = of_match_ptr(dwapb_of_match),
 		.acpi_match_table = ACPI_PTR(dwapb_acpi_match),

@@ -856,3 +865,4 @@ module_platform_driver(dwapb_gpio_driver);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jamie Iles");
 MODULE_DESCRIPTION("Synopsys DesignWare APB GPIO driver");
+MODULE_ALIAS("platform:" DWAPB_DRIVER_NAME);

index 924788772b07..083aa71487e8 100644
@@ -238,7 +238,7 @@ static void ci_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
 
 	switch (dev_id) {
 	case 0x67BA:
-	case 0x66B1:
+	case 0x67B1:
 		smu_data->power_tune_defaults = &defaults_hawaii_pro;
 		break;
 	case 0x67B8:

78 lines not on this page · raw message

index cf804389f5ec..d50a7884e69e 100644
@@ -84,7 +84,7 @@ int drm_i2c_encoder_init(struct drm_device *dev,
 
 	err = encoder_drv->encoder_init(client, dev, encoder);
 	if (err)
-		goto fail_unregister;
+		goto fail_module_put;
 
 	if (info->platform_data)
 		encoder->slave_funcs->set_config(&encoder->base,

@@ -92,9 +92,10 @@ int drm_i2c_encoder_init(struct drm_device *dev,
 
 	return 0;
 
+fail_module_put:
+	module_put(module);
 fail_unregister:
 	i2c_unregister_device(client);
-	module_put(module);
 fail:
 	return err;
 }

index e4b9eb1f6b60..f6b81f3256cf 100644
@@ -570,6 +570,9 @@ struct drm_i915_reg_descriptor {
 #define REG32(_reg, ...) \
 	{ .addr = (_reg), __VA_ARGS__ }
 
+#define REG32_IDX(_reg, idx) \
+	{ .addr = _reg(idx) }
+
 /*
  * Convenience macro for adding 64-bit registers.
  *

@@ -667,6 +670,7 @@ static const struct drm_i915_reg_descriptor gen9_blt_regs[] = {
 	REG64_IDX(RING_TIMESTAMP, BSD_RING_BASE),
 	REG32(BCS_SWCTRL),
 	REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE),
+	REG32_IDX(RING_CTX_TIMESTAMP, BLT_RING_BASE),
 	REG64_IDX(BCS_GPR, 0),
 	REG64_IDX(BCS_GPR, 1),
 	REG64_IDX(BCS_GPR, 2),

index 29877969310d..b7c398232136 100644
@@ -3821,6 +3821,7 @@ static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv)
 
 	val = I915_READ(GEN11_DE_HPD_IMR);
 	val &= ~hotplug_irqs;
+	val |= ~enabled_irqs & hotplug_irqs;
 	I915_WRITE(GEN11_DE_HPD_IMR, val);
 	POSTING_READ(GEN11_DE_HPD_IMR);
 

index bddd625ab91b..25691b7cece1 100644
@@ -1021,7 +1021,8 @@ static int mdp5_init(struct platform_device *pdev, struct drm_device *dev)
 
 	return 0;
 fail:
-	mdp5_destroy(pdev);
+	if (mdp5_kms)
+		mdp5_destroy(pdev);
 	return ret;
 }
 

index 771250aed78d..2412d317d992 100644
@@ -181,7 +181,7 @@ int qxl_device_init(struct qxl_device *qdev,
 				&(qdev->ram_header->cursor_ring_hdr),
 				sizeof(struct qxl_command),
 				QXL_CURSOR_RING_SIZE,
-				qdev->io_base + QXL_IO_NOTIFY_CMD,
+				qdev->io_base + QXL_IO_NOTIFY_CURSOR,
 				false,
 				&qdev->cursor_event);
 

index b685ee11623d..a13e14dd7746 100644
@@ -152,7 +152,7 @@
 #define SUN4I_HDMI_DDC_CMD_IMPLICIT_WRITE	3
 
 #define SUN4I_HDMI_DDC_CLK_REG		0x528
-#define SUN4I_HDMI_DDC_CLK_M(m)			(((m) & 0x7) << 3)
+#define SUN4I_HDMI_DDC_CLK_M(m)			(((m) & 0xf) << 3)
 #define SUN4I_HDMI_DDC_CLK_N(n)			((n) & 0x7)
 
 #define SUN4I_HDMI_DDC_LINE_CTRL_REG	0x540

index e826da34e919..14b6762567fb 100644
@@ -37,7 +37,7 @@ static unsigned long sun4i_ddc_calc_divider(unsigned long rate,
 	unsigned long best_rate = 0;
 	u8 best_m = 0, best_n = 0, _m, _n;
 
-	for (_m = 0; _m < 8; _m++) {
+	for (_m = 0; _m < 16; _m++) {
 		for (_n = 0; _n < 8; _n++) {
 			unsigned long tmp_rate;
 

index c1fed1aaecdf..f8026c71e2e4 100644
@@ -1121,6 +1121,9 @@
 #define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882	0x8882
 #define USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8883	0x8883
 
+#define USB_VENDOR_ID_TRUST             0x145f
+#define USB_DEVICE_ID_TRUST_PANORA_TABLET   0x0212
+
 #define USB_VENDOR_ID_TURBOX		0x062a
 #define USB_DEVICE_ID_TURBOX_KEYBOARD	0x0201
 #define USB_DEVICE_ID_ASUS_MD_5110	0x5110

index e5beee3e8582..f4bab7004aff 100644
@@ -168,6 +168,7 @@ static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882), HID_QUIRK_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8883), HID_QUIRK_NOGET },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TRUST, USB_DEVICE_ID_TRUST_PANORA_TABLET), HID_QUIRK_MULTI_INPUT | HID_QUIRK_HIDINPUT_FORCE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD), HID_QUIRK_NOGET },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60), HID_QUIRK_MULTI_INPUT },

index 9ff3371ec385..f1c79f9b3919 100644
@@ -958,7 +958,8 @@ static int piix4_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	}
 
 	if (dev->vendor == PCI_VENDOR_ID_AMD &&
-	    dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) {
+	    (dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS ||
+	     dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS)) {
 		retval = piix4_setup_sb800(dev, id, 1);
 	}
 

index fbf91d383b40..c10ae4778d35 100644
@@ -315,11 +315,10 @@ static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why)
 	dev_err(dev, "IBMR: %08x IDBR: %08x ICR: %08x ISR: %08x\n",
 		readl(_IBMR(i2c)), readl(_IDBR(i2c)), readl(_ICR(i2c)),
 		readl(_ISR(i2c)));
-	dev_dbg(dev, "log: ");
+	dev_err(dev, "log:");
 	for (i = 0; i < i2c->irqlogidx; i++)
-		pr_debug("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]);
-
-	pr_debug("\n");
+		pr_cont(" [%03x:%05x]", i2c->isrlog[i], i2c->icrlog[i]);
+	pr_cont("\n");
 }
 
 #else /* ifdef DEBUG */

@@ -709,11 +708,9 @@ static inline void i2c_pxa_stop_message(struct pxa_i2c *i2c)
 {
 	u32 icr;
 
-	/*
-	 * Clear the STOP and ACK flags
-	 */
+	/* Clear the START, STOP, ACK, TB and MA flags */
 	icr = readl(_ICR(i2c));
-	icr &= ~(ICR_STOP | ICR_ACKNAK);
+	icr &= ~(ICR_START | ICR_STOP | ICR_ACKNAK | ICR_TB | ICR_MA);
 	writel(icr, _ICR(i2c));
 }
 

index fe87d27779d9..074f6f865008 100644
@@ -261,6 +261,8 @@ static u32 bmp280_compensate_humidity(struct bmp280_data *data,
 		+ (s32)2097152) * calib->H2 + 8192) >> 14);
 	var -= ((((var >> 15) * (var >> 15)) >> 7) * (s32)calib->H1) >> 4;
 
+	var = clamp_val(var, 0, 419430400);
+
 	return var >> 12;
 };
 

@@ -703,7 +705,7 @@ static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas)
 	unsigned int ctrl;
 
 	if (data->use_eoc)
-		init_completion(&data->done);
+		reinit_completion(&data->done);
 
 	ret = regmap_write(data->regmap, BMP280_REG_CTRL_MEAS, ctrl_meas);
 	if (ret)

@@ -959,6 +961,9 @@ static int bmp085_fetch_eoc_irq(struct device *dev,
 			"trying to enforce it\n");
 		irq_trig = IRQF_TRIGGER_RISING;
 	}
+
+	init_completion(&data->done);
+
 	ret = devm_request_threaded_irq(dev,
 			irq,
 			bmp085_eoc_irq,

index eee38b40be99..ce183d054785 100644
@@ -319,8 +319,21 @@ static struct config_group *make_cma_dev(struct config_group *group,
 	return ERR_PTR(err);
 }
 
+static void drop_cma_dev(struct config_group *cgroup, struct config_item *item)
+{
+	struct config_group *group =
+		container_of(item, struct config_group, cg_item);
+	struct cma_dev_group *cma_dev_group =
+		container_of(group, struct cma_dev_group, device_group);
+
+	configfs_remove_default_groups(&cma_dev_group->ports_group);
+	configfs_remove_default_groups(&cma_dev_group->device_group);
+	config_item_put(item);
+}
+
 static struct configfs_group_operations cma_subsys_group_ops = {
 	.make_group	= make_cma_dev,
+	.drop_item	= drop_cma_dev,
 };
 
 static const struct config_item_type cma_subsys_type = {

index c13c0ba30f63..af974a257086 100644
@@ -945,6 +945,7 @@ void c4iw_dealloc(struct uld_ctx *ctx)
 static void c4iw_remove(struct uld_ctx *ctx)
 {
 	pr_debug("c4iw_dev %p\n", ctx->dev);
+	debugfs_remove_recursive(ctx->dev->debugfs_root);
 	c4iw_unregister_device(ctx->dev);
 	c4iw_dealloc(ctx);
 }

index 02f36ab72ad4..4c90a007e09d 100644
@@ -328,6 +328,7 @@ static bool devx_is_obj_modify_cmd(const void *in)
 	case MLX5_CMD_OP_SET_L2_TABLE_ENTRY:
 	case MLX5_CMD_OP_RST2INIT_QP:
 	case MLX5_CMD_OP_INIT2RTR_QP:
+	case MLX5_CMD_OP_INIT2INIT_QP:
 	case MLX5_CMD_OP_RTR2RTS_QP:
 	case MLX5_CMD_OP_RTS2RTS_QP:
 	case MLX5_CMD_OP_SQERR2RTS_QP:

index bb40bd66a10e..38a8f8d2a908 100644
@@ -1432,7 +1432,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
 			if (__set_blocks(n1, n1->keys + n2->keys,
 					 block_bytes(b->c)) >
 			    btree_blocks(new_nodes[i]))
-				goto out_nocoalesce;
+				goto out_unlock_nocoalesce;
 
 			keys = n2->keys;
 			/* Take the key of the node we're getting rid of */

@@ -1461,7 +1461,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
 
 		if (__bch_keylist_realloc(&keylist,
 					  bkey_u64s(&new_nodes[i]->key)))
-			goto out_nocoalesce;
+			goto out_unlock_nocoalesce;
 
 		bch_btree_node_write(new_nodes[i], &cl);
 		bch_keylist_add(&keylist, &new_nodes[i]->key);

@@ -1507,6 +1507,10 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
 	/* Invalidated our iterator */
 	return -EINTR;
 
+out_unlock_nocoalesce:
+	for (i = 0; i < nodes; i++)
+		mutex_unlock(&new_nodes[i]->write_lock);
+
 out_nocoalesce:
 	closure_sync(&cl);
 	bch_keylist_free(&keylist);

index 207ca0ad0b59..c1ad84f3414c 100644
@@ -1868,7 +1868,7 @@ static int multipath_prepare_ioctl(struct dm_target *ti,
 	int r;
 
 	current_pgpath = READ_ONCE(m->current_pgpath);
-	if (!current_pgpath)
+	if (!current_pgpath || !test_bit(MPATHF_QUEUE_IO, &m->flags))
 		current_pgpath = choose_pgpath(m, 0);
 
 	if (current_pgpath) {

index 53eb21343b11..5c2bbdf67f25 100644
@@ -1580,7 +1580,7 @@ static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd)
 			return dzone;
 	}
 
-	return ERR_PTR(-EBUSY);
+	return NULL;
 }
 
 /*

@@ -1600,7 +1600,7 @@ static struct dm_zone *dmz_get_seq_zone_for_reclaim(struct dmz_metadata *zmd)
 			return zone;
 	}
 
-	return ERR_PTR(-EBUSY);
+	return NULL;
 }
 
 /*

index 84ac671acd2e..879848aad97a 100644
@@ -348,8 +348,8 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc)
 
 	/* Get a data zone */
 	dzone = dmz_get_zone_for_reclaim(zmd);
-	if (IS_ERR(dzone))
-		return PTR_ERR(dzone);
+	if (!dzone)
+		return -EBUSY;
 
 	start = jiffies;
 

index a6db4fd267aa..a4e7e6c025d9 100644
@@ -1182,6 +1182,8 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
 			mddev->new_layout = mddev->layout;
 			mddev->new_chunk_sectors = mddev->chunk_sectors;
 		}
+		if (mddev->level == 0)
+			mddev->layout = -1;
 
 		if (sb->state & (1<<MD_SB_CLEAN))
 			mddev->recovery_cp = MaxSector;

@@ -1598,6 +1600,10 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
 		rdev->ppl.sector = rdev->sb_start + rdev->ppl.offset;
 	}
 
+	if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RAID0_LAYOUT) &&
+	    sb->level != 0)
+		return -EINVAL;
+
 	if (!refdev) {
 		ret = 1;
 	} else {

@@ -1708,6 +1714,10 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
 			mddev->new_chunk_sectors = mddev->chunk_sectors;
 		}
 
+		if (mddev->level == 0 &&
+		    !(le32_to_cpu(sb->feature_map) & MD_FEATURE_RAID0_LAYOUT))
+			mddev->layout = -1;
+
 		if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL)
 			set_bit(MD_HAS_JOURNAL, &mddev->flags);
 

@@ -6784,6 +6794,9 @@ static int set_array_info(struct mddev *mddev, mdu_array_info_t *info)
 	mddev->external	     = 0;
 
 	mddev->layout        = info->layout;
+	if (mddev->level == 0)
+		/* Cannot trust RAID0 layout info here */
+		mddev->layout = -1;
 	mddev->chunk_sectors = info->chunk_size >> 9;
 
 	if (mddev->persistent) {

index efa9df2336da..0272102b207e 100644
@@ -152,6 +152,9 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
 
 	if (conf->nr_strip_zones == 1) {
 		conf->layout = RAID0_ORIG_LAYOUT;
+	} else if (mddev->layout == RAID0_ORIG_LAYOUT ||
+		   mddev->layout == RAID0_ALT_MULTIZONE_LAYOUT) {
+		conf->layout = mddev->layout;
 	} else if (default_layout == RAID0_ORIG_LAYOUT ||
 		   default_layout == RAID0_ALT_MULTIZONE_LAYOUT) {
 		conf->layout = default_layout;

index 22bd6525e09c..933a50049d72 100644
@@ -704,3 +704,4 @@ module_i2c_driver(wm8994_i2c_driver);
 MODULE_DESCRIPTION("Core support for the WM8994 audio CODEC");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Mark Brown <[email protected]>");
+MODULE_SOFTDEP("pre: wm8994_regulator");

index 37a3cc21c7bc..acf7971e815d 100644
@@ -235,7 +235,7 @@ static int ams_delta_init(struct platform_device *pdev)
 		goto out_gpio;
 
 	/* Scan to find existence of the device */
-	err = nand_scan(ams_delta_mtd, 1);
+	err = nand_scan(this, 1);
 	if (err)
 		goto out_mtd;
 

@@ -264,7 +264,7 @@ static int ams_delta_cleanup(struct platform_device *pdev)
 	void __iomem *io_base = platform_get_drvdata(pdev);
 
 	/* Release resources, unregister device */
-	nand_release(ams_delta_mtd);
+	nand_release(mtd_to_nand(ams_delta_mtd));
 
 	gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
 	gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);

index ea022712edee..ee1c401f131f 100644
@@ -1694,7 +1694,7 @@ atmel_nand_controller_add_nand(struct atmel_nand_controller *nc,
 
 	nc->caps->ops->nand_init(nc, nand);
 
-	ret = nand_scan(mtd, nand->numcs);
+	ret = nand_scan(chip, nand->numcs);
 	if (ret) {
 		dev_err(nc->dev, "NAND scan failed: %d\n", ret);
 		return ret;

index 35f5c84cd331..b45fb36537e7 100644
@@ -466,7 +466,7 @@ static int au1550nd_probe(struct platform_device *pdev)
 	this->write_buf = (pd->devwidth) ? au_write_buf16 : au_write_buf;
 	this->read_buf = (pd->devwidth) ? au_read_buf16 : au_read_buf;
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(this, 1);
 	if (ret) {
 		dev_err(&pdev->dev, "NAND scan failed with %d\n", ret);
 		goto out3;

@@ -492,7 +492,7 @@ static int au1550nd_remove(struct platform_device *pdev)
 	struct au1550nd_ctx *ctx = platform_get_drvdata(pdev);
 	struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	nand_release(nand_to_mtd(&ctx->chip));
+	nand_release(&ctx->chip);
 	iounmap(ctx->base);
 	release_mem_region(r->start, 0x1000);
 	kfree(ctx);

index fb31429b70a9..d79694160845 100644
@@ -65,7 +65,7 @@ static int bcm47xxnflash_remove(struct platform_device *pdev)
 {
 	struct bcm47xxnflash *nflash = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&nflash->nand_chip));
+	nand_release(&nflash->nand_chip);
 
 	return 0;
 }

index 60874de430eb..9b62bc2d25a0 100644
@@ -423,7 +423,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n)
 			(w4 << 24 | w3 << 18 | w2 << 12 | w1 << 6 | w0));
 
 	/* Scan NAND */
-	err = nand_scan(nand_to_mtd(&b47n->nand_chip), 1);
+	err = nand_scan(&b47n->nand_chip, 1);
 	if (err) {
 		pr_err("Could not scan NAND flash: %d\n", err);
 		goto exit;

index 8002a2a390e5..bd20f4521036 100644
@@ -2304,7 +2304,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
 	nand_writereg(ctrl, cfg_offs,
 		      nand_readreg(ctrl, cfg_offs) & ~CFG_BUS_WIDTH);
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		return ret;
 

@@ -2619,7 +2619,7 @@ int brcmnand_remove(struct platform_device *pdev)
 	struct brcmnand_host *host;
 
 	list_for_each_entry(host, &ctrl->host_list, node)
-		nand_release(nand_to_mtd(&host->chip));
+		nand_release(&host->chip);
 
 	clk_disable_unprepare(ctrl->clk);
 

index 1dbe43adcfe7..3304594177c6 100644
@@ -783,7 +783,7 @@ static int cafe_nand_probe(struct pci_dev *pdev,
 
 	/* Scan to find existence of the device */
 	cafe->nand.dummy_controller.ops = &cafe_nand_controller_ops;
-	err = nand_scan(mtd, 2);
+	err = nand_scan(&cafe->nand, 2);
 	if (err)
 		goto out_irq;
 

@@ -819,7 +819,7 @@ static void cafe_nand_remove(struct pci_dev *pdev)
 	/* Disable NAND IRQ in global IRQ mask register */
 	cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
 	free_irq(pdev->irq, mtd);
-	nand_release(mtd);
+	nand_release(chip);
 	free_rs(cafe->rs);
 	pci_iounmap(pdev, cafe->mmio);
 	dma_free_coherent(&cafe->pdev->dev, 2112, cafe->dmabuf, cafe->dmaaddr);

index b66e254b6802..2eb933a8f99e 100644
@@ -193,7 +193,7 @@ static int __init cmx270_init(void)
 	this->write_buf = cmx270_write_buf;
 
 	/* Scan to find existence of the device */
-	ret = nand_scan(cmx270_nand_mtd, 1);
+	ret = nand_scan(this, 1);
 	if (ret) {
 		pr_notice("No NAND device\n");
 		goto err_scan;

@@ -228,7 +228,7 @@ module_init(cmx270_init);
 static void __exit cmx270_cleanup(void)
 {
 	/* Release resources, unregister device */
-	nand_release(cmx270_nand_mtd);
+	nand_release(mtd_to_nand(cmx270_nand_mtd));
 
 	gpio_free(GPIO_NAND_RB);
 	gpio_free(GPIO_NAND_CS);

index beafad62e7d5..d4be416bb2fa 100644
@@ -241,7 +241,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
 	}
 
 	/* Scan to find existence of the device */
-	err = nand_scan(new_mtd, 1);
+	err = nand_scan(this, 1);
 	if (err)
 		goto out_free;
 

@@ -336,7 +336,7 @@ static void __exit cs553x_cleanup(void)
 		mmio_base = this->IO_ADDR_R;
 
 		/* Release resources, unregister device */
-		nand_release(mtd);
+		nand_release(this);
 		kfree(mtd->name);
 		cs553x_mtd[i] = NULL;
 

index 40145e206a6b..66d3d5966013 100644
@@ -807,7 +807,7 @@ static int nand_davinci_probe(struct platform_device *pdev)
 
 	/* Scan to find existence of the device(s) */
 	info->chip.dummy_controller.ops = &davinci_nand_controller_ops;
-	ret = nand_scan(mtd, pdata->mask_chipsel ? 2 : 1);
+	ret = nand_scan(&info->chip, pdata->mask_chipsel ? 2 : 1);
 	if (ret < 0) {
 		dev_dbg(&pdev->dev, "no NAND chip(s) found\n");
 		return ret;

@@ -841,7 +841,7 @@ static int nand_davinci_remove(struct platform_device *pdev)
 		ecc4_busy = false;
 	spin_unlock_irq(&davinci_nand_lock);
 
-	nand_release(nand_to_mtd(&info->chip));
+	nand_release(&info->chip);
 
 	return 0;
 }

index 2242e999a76b..277e84aa6166 100644
@@ -1384,7 +1384,7 @@ int denali_init(struct denali_nand_info *denali)
 		chip->setup_data_interface = denali_setup_data_interface;
 
 	chip->dummy_controller.ops = &denali_controller_ops;
-	ret = nand_scan(mtd, denali->max_banks);
+	ret = nand_scan(chip, denali->max_banks);
 	if (ret)
 		goto disable_irq;
 

@@ -1407,9 +1407,7 @@ EXPORT_SYMBOL(denali_init);
 
 void denali_remove(struct denali_nand_info *denali)
 {
-	struct mtd_info *mtd = nand_to_mtd(&denali->nand);
-
-	nand_release(mtd);
+	nand_release(&denali->nand);
 	denali_disable_irq(denali);
 }
 EXPORT_SYMBOL(denali_remove);

index 3c46188dd6d2..ac3792b6fb33 100644
@@ -1620,14 +1620,11 @@ static int __init doc_probe(unsigned long physadr)
 	else
 		numchips = doc2001_init(mtd);
 
-	if ((ret = nand_scan(mtd, numchips)) || (ret = doc->late_init(mtd))) {
-		/* DBB note: i believe nand_release is necessary here, as
+	if ((ret = nand_scan(nand, numchips)) || (ret = doc->late_init(mtd))) {
+		/* DBB note: i believe nand_cleanup is necessary here, as
 		   buffers may have been allocated in nand_base.  Check with
 		   Thomas. FIX ME! */
-		/* nand_release will call mtd_device_unregister, but we
-		   haven't yet added it.  This is handled without incident by
-		   mtd_device_unregister, as far as I can tell. */
-		nand_release(mtd);
+		nand_cleanup(nand);
 		goto fail;
 	}
 

@@ -1662,7 +1659,7 @@ static void release_nanddoc(void)
 		doc = nand_get_controller_data(nand);
 
 		nextmtd = doc->nextdoc;
-		nand_release(mtd);
+		nand_release(nand);
 		iounmap(doc->virtadr);
 		release_mem_region(doc->physadr, DOC_IOREMAP_LEN);
 		free_rs(doc->rs_decoder);

index 427fcbc1b71c..2d86bc5a886d 100644
@@ -1391,7 +1391,7 @@ static int __init probe_docg4(struct platform_device *pdev)
 	 * ->attach_chip callback.
 	 */
 	nand->dummy_controller.ops = &docg4_controller_ops;
-	retval = nand_scan(mtd, 0);
+	retval = nand_scan(nand, 0);
 	if (retval)
 		goto free_nand;
 

@@ -1420,7 +1420,7 @@ static int __init probe_docg4(struct platform_device *pdev)
 static int __exit cleanup_docg4(struct platform_device *pdev)
 {
 	struct docg4_priv *doc = platform_get_drvdata(pdev);
-	nand_release(doc->mtd);
+	nand_release(mtd_to_nand(doc->mtd));
 	kfree(mtd_to_nand(doc->mtd));
 	iounmap(doc->virtadr);
 	return 0;

index 55f449b711fd..22bcd64a66c8 100644
@@ -915,7 +915,7 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev)
 		goto err;
 
 	priv->chip.controller->ops = &fsl_elbc_controller_ops;
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(&priv->chip, 1);
 	if (ret)
 		goto err;
 

@@ -942,9 +942,8 @@ static int fsl_elbc_nand_remove(struct platform_device *pdev)
 {
 	struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = fsl_lbc_ctrl_dev->nand;
 	struct fsl_elbc_mtd *priv = dev_get_drvdata(&pdev->dev);
-	struct mtd_info *mtd = nand_to_mtd(&priv->chip);
 
-	nand_release(mtd);
+	nand_release(&priv->chip);
 	fsl_elbc_chip_remove(priv);
 
 	mutex_lock(&fsl_elbc_nand_mutex);

index 7e7729df7827..70bf8e1552a5 100644
@@ -1079,7 +1079,7 @@ static int fsl_ifc_nand_probe(struct platform_device *dev)
 		goto err;
 
 	priv->chip.controller->ops = &fsl_ifc_controller_ops;
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(&priv->chip, 1);
 	if (ret)
 		goto err;
 

@@ -1105,9 +1105,8 @@ static int fsl_ifc_nand_probe(struct platform_device *dev)
 static int fsl_ifc_nand_remove(struct platform_device *dev)
 {
 	struct fsl_ifc_mtd *priv = dev_get_drvdata(&dev->dev);
-	struct mtd_info *mtd = nand_to_mtd(&priv->chip);
 
-	nand_release(mtd);
+	nand_release(&priv->chip);
 	fsl_ifc_chip_remove(priv);
 
 	mutex_lock(&fsl_ifc_nand_mutex);

index a88e2cf66e0f..2763fd3ad512 100644
@@ -191,7 +191,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
 		goto err;
 	}
 
-	ret = nand_scan(mtd, fun->mchip_count);
+	ret = nand_scan(&fun->chip, fun->mchip_count);
 	if (ret)
 		goto err;
 

@@ -326,7 +326,7 @@ static int fun_remove(struct platform_device *ofdev)
 	struct mtd_info *mtd = nand_to_mtd(&fun->chip);
 	int i;
 
-	nand_release(mtd);
+	nand_release(&fun->chip);
 	kfree(mtd->name);
 
 	for (i = 0; i < fun->mchip_count; i++) {

index f418236fa020..25d354e9448e 100644
@@ -1125,7 +1125,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
 	 * Scan to find existence of the device
 	 */
 	nand->dummy_controller.ops = &fsmc_nand_controller_ops;
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(nand, 1);
 	if (ret)
 		goto release_dma_write_chan;
 

@@ -1161,7 +1161,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
 	struct fsmc_nand_data *host = platform_get_drvdata(pdev);
 
 	if (host) {
-		nand_release(nand_to_mtd(&host->nand));
+		nand_release(&host->nand);
 
 		if (host->mode == USE_DMA_ACCESS) {
 			dma_release_channel(host->write_dma_chan);

index 2780af26d9ab..0e7d00faf33c 100644
@@ -194,7 +194,7 @@ static int gpio_nand_remove(struct platform_device *pdev)
 {
 	struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&gpiomtd->nand_chip));
+	nand_release(&gpiomtd->nand_chip);
 
 	/* Enable write protection and disable the chip */
 	if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))

@@ -289,7 +289,7 @@ static int gpio_nand_probe(struct platform_device *pdev)
 	if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
 		gpiod_direction_output(gpiomtd->nwp, 1);
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		goto err_wp;
 

index 1c1ebbc82824..fe99d9323d4a 100644
@@ -1934,7 +1934,7 @@ static int gpmi_nand_init(struct gpmi_nand_data *this)
 		goto err_out;
 
 	chip->dummy_controller.ops = &gpmi_nand_controller_ops;
-	ret = nand_scan(mtd, GPMI_IS_MX6(this) ? 2 : 1);
+	ret = nand_scan(chip, GPMI_IS_MX6(this) ? 2 : 1);
 	if (ret)
 		goto err_out;
 

@@ -2026,7 +2026,7 @@ static int gpmi_nand_remove(struct platform_device *pdev)
 {
 	struct gpmi_nand_data *this = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&this->nand));
+	nand_release(&this->nand);
 	gpmi_free_dma_buffer(this);
 	release_resources(this);
 	return 0;

index 950dc7789296..6833fc82e6b1 100644
@@ -811,7 +811,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 	}
 
 	chip->dummy_controller.ops = &hisi_nfc_controller_ops;
-	ret = nand_scan(mtd, max_chips);
+	ret = nand_scan(chip, max_chips);
 	if (ret)
 		return ret;
 

@@ -828,9 +828,8 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 static int hisi_nfc_remove(struct platform_device *pdev)
 {
 	struct hinfc_host *host = platform_get_drvdata(pdev);
-	struct mtd_info *mtd = nand_to_mtd(&host->chip);
 
-	nand_release(mtd);
+	nand_release(&host->chip);
 
 	return 0;
 }

index a7515452bc59..27603d78b157 100644
@@ -331,7 +331,7 @@ static int jz_nand_detect_bank(struct platform_device *pdev,
 
 	if (chipnr == 0) {
 		/* Detect first chip. */
-		ret = nand_scan(mtd, 1);
+		ret = nand_scan(chip, 1);
 		if (ret)
 			goto notfound_id;
 

@@ -507,7 +507,7 @@ static int jz_nand_remove(struct platform_device *pdev)
 	struct jz_nand *nand = platform_get_drvdata(pdev);
 	size_t i;
 
-	nand_release(nand_to_mtd(&nand->chip));
+	nand_release(&nand->chip);
 
 	/* Deassert and disable all chips */
 	writel(0, nand->base + JZ_REG_NAND_CTRL);

index db4fa60bd52a..b072bd5dd7a0 100644
@@ -286,13 +286,13 @@ static int jz4780_nand_init_chip(struct platform_device *pdev,
 	nand_set_flash_node(chip, np);
 
 	chip->controller->ops = &jz4780_nand_controller_ops;
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		return ret;
 
 	ret = mtd_device_register(mtd, NULL, 0);
 	if (ret) {
-		nand_release(mtd);
+		nand_release(chip);
 		return ret;
 	}
 

@@ -307,7 +307,7 @@ static void jz4780_nand_cleanup_chips(struct jz4780_nand_controller *nfc)
 
 	while (!list_empty(&nfc->chips)) {
 		chip = list_first_entry(&nfc->chips, struct jz4780_nand_chip, chip_list);
-		nand_release(nand_to_mtd(&chip->chip));
+		nand_release(&chip->chip);
 		list_del(&chip->chip_list);
 	}
 }

index e82abada130a..d240b8ff40ca 100644
@@ -802,7 +802,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
 	 * SMALL block or LARGE block.
 	 */
 	nand_chip->dummy_controller.ops = &lpc32xx_nand_controller_ops;
-	res = nand_scan(mtd, 1);
+	res = nand_scan(nand_chip, 1);
 	if (res)
 		goto free_irq;
 

@@ -839,9 +839,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
 static int lpc32xx_nand_remove(struct platform_device *pdev)
 {
 	struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
-	struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
 
-	nand_release(mtd);
+	nand_release(&host->nand_chip);
 	free_irq(host->irq, host);
 	if (use_dma)
 		dma_release_channel(host->dma_chan);

index a4e8b7e75135..607e4bdfae03 100644
@@ -925,7 +925,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
 
 	/* Find NAND device */
 	chip->dummy_controller.ops = &lpc32xx_nand_controller_ops;
-	res = nand_scan(mtd, 1);
+	res = nand_scan(chip, 1);
 	if (res)
 		goto release_dma;
 

@@ -956,9 +956,8 @@ static int lpc32xx_nand_remove(struct platform_device *pdev)
 {
 	uint32_t tmp;
 	struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
-	struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
 
-	nand_release(mtd);
+	nand_release(&host->nand_chip);
 	dma_release_channel(host->dma_chan);
 
 	/* Force CE high */

index 7a84a8f05b46..3e542224dd11 100644
@@ -2551,7 +2551,7 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc,
 
 	chip->options |= NAND_BUSWIDTH_AUTO;
 
-	ret = nand_scan(mtd, marvell_nand->nsels);
+	ret = nand_scan(chip, marvell_nand->nsels);
 	if (ret) {
 		dev_err(dev, "could not scan the nand chip\n");
 		return ret;

@@ -2564,7 +2564,7 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc,
 		ret = mtd_device_register(mtd, NULL, 0);
 	if (ret) {
 		dev_err(dev, "failed to register mtd device: %d\n", ret);
-		nand_release(mtd);
+		nand_release(chip);
 		return ret;
 	}
 

@@ -2619,7 +2619,7 @@ static void marvell_nand_chips_cleanup(struct marvell_nfc *nfc)
 	struct marvell_nand_chip *entry, *temp;
 
 	list_for_each_entry_safe(entry, temp, &nfc->chips, node) {
-		nand_release(nand_to_mtd(&entry->chip));
+		nand_release(&entry->chip);
 		list_del(&entry->node);
 	}
 }

index 6d1740d54e0d..b3d6effb3486 100644
@@ -778,7 +778,7 @@ static int mpc5121_nfc_probe(struct platform_device *op)
 	}
 
 	/* Detect NAND chips */
-	retval = nand_scan(mtd, be32_to_cpup(chips_no));
+	retval = nand_scan(chip, be32_to_cpup(chips_no));
 	if (retval) {
 		dev_err(dev, "NAND Flash not found !\n");
 		goto error;

@@ -828,7 +828,7 @@ static int mpc5121_nfc_remove(struct platform_device *op)
 	struct device *dev = &op->dev;
 	struct mtd_info *mtd = dev_get_drvdata(dev);
 
-	nand_release(mtd);
+	nand_release(mtd_to_nand(mtd));
 	mpc5121_nfc_free(dev, mtd);
 
 	return 0;

index ab5a8778c4b2..bb40022e109f 100644
@@ -1382,14 +1382,14 @@ static int mtk_nfc_nand_chip_init(struct device *dev, struct mtk_nfc *nfc,
 
 	mtk_nfc_hw_init(nfc);
 
-	ret = nand_scan(mtd, nsels);
+	ret = nand_scan(nand, nsels);
 	if (ret)
 		return ret;
 
 	ret = mtd_device_register(mtd, NULL, 0);
 	if (ret) {
 		dev_err(dev, "mtd parse partition error\n");
-		nand_release(mtd);
+		nand_cleanup(nand);
 		return ret;
 	}
 

@@ -1555,7 +1555,7 @@ static int mtk_nfc_remove(struct platform_device *pdev)
 	while (!list_empty(&nfc->chips)) {
 		chip = list_first_entry(&nfc->chips, struct mtk_nfc_nand_chip,
 					node);
-		nand_release(nand_to_mtd(&chip->nand));
+		nand_release(&chip->nand);
 		list_del(&chip->node);
 	}
 

index 4c9214dea424..334578d9f4a8 100644
@@ -1900,7 +1900,7 @@ static int mxcnd_probe(struct platform_device *pdev)
 
 	/* Scan the NAND device */
 	this->dummy_controller.ops = &mxcnd_controller_ops;
-	err = nand_scan(mtd, is_imx25_nfc(host) ? 4 : 1);
+	err = nand_scan(this, is_imx25_nfc(host) ? 4 : 1);
 	if (err)
 		goto escan;
 

@@ -1928,7 +1928,7 @@ static int mxcnd_remove(struct platform_device *pdev)
 {
 	struct mxc_nand_host *host = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&host->nand));
+	nand_release(&host->nand);
 	if (host->clk_act)
 		clk_disable_unprepare(host->clk);
 

index d527e448ce19..de3926eaec13 100644
@@ -5953,7 +5953,7 @@ static int nand_dt_init(struct nand_chip *chip)
 
 /**
  * nand_scan_ident - Scan for the NAND device
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  * @maxchips: number of chips to scan for
  * @table: alternative NAND ID table
  *

@@ -5965,11 +5965,11 @@ static int nand_dt_init(struct nand_chip *chip)
  * prevented dynamic allocations during this phase which was unconvenient and
  * as been banned for the benefit of the ->init_ecc()/cleanup_ecc() hooks.
  */
-static int nand_scan_ident(struct mtd_info *mtd, int maxchips,
+static int nand_scan_ident(struct nand_chip *chip, int maxchips,
 			   struct nand_flash_dev *table)
 {
+	struct mtd_info *mtd = nand_to_mtd(chip);
 	int i, nand_maf_id, nand_dev_id;
-	struct nand_chip *chip = mtd_to_nand(mtd);
 	int ret;
 
 	/* Enforce the right timings for reset/detection */

@@ -6423,15 +6423,15 @@ static bool nand_ecc_strength_good(struct mtd_info *mtd)
 
 /**
  * nand_scan_tail - Scan for the NAND device
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  *
  * This is the second phase of the normal nand_scan() function. It fills out
  * all the uninitialized function pointers with the defaults and scans for a
  * bad block table if appropriate.
  */
-static int nand_scan_tail(struct mtd_info *mtd)
+static int nand_scan_tail(struct nand_chip *chip)
 {
-	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct mtd_info *mtd = nand_to_mtd(chip);
 	struct nand_ecc_ctrl *ecc = &chip->ecc;
 	int ret, i;
 

@@ -6770,7 +6770,7 @@ static void nand_detach(struct nand_chip *chip)
 
 /**
  * nand_scan_with_ids - [NAND Interface] Scan for the NAND device
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  * @maxchips: number of chips to scan for. @nand_scan_ident() will not be run if
  *	      this parameter is zero (useful for specific drivers that must
  *	      handle this part of the process themselves, e.g docg4).

@@ -6780,14 +6780,13 @@ static void nand_detach(struct nand_chip *chip)
  * The flash ID is read and the mtd/chip structures are filled with the
  * appropriate values.
  */
-int nand_scan_with_ids(struct mtd_info *mtd, int maxchips,
+int nand_scan_with_ids(struct nand_chip *chip, int maxchips,
 		       struct nand_flash_dev *ids)
 {
-	struct nand_chip *chip = mtd_to_nand(mtd);
 	int ret;
 
 	if (maxchips) {
-		ret = nand_scan_ident(mtd, maxchips, ids);
+		ret = nand_scan_ident(chip, maxchips, ids);
 		if (ret)
 			return ret;
 	}

@@ -6796,7 +6795,7 @@ int nand_scan_with_ids(struct mtd_info *mtd, int maxchips,
 	if (ret)
 		goto cleanup_ident;
 
-	ret = nand_scan_tail(mtd);
+	ret = nand_scan_tail(chip);
 	if (ret)
 		goto detach_chip;
 

@@ -6847,12 +6846,12 @@ EXPORT_SYMBOL_GPL(nand_cleanup);
 /**
  * nand_release - [NAND Interface] Unregister the MTD device and free resources
  *		  held by the NAND device
- * @mtd: MTD device structure
+ * @chip: NAND chip object
  */
-void nand_release(struct mtd_info *mtd)
+void nand_release(struct nand_chip *chip)
 {
-	mtd_device_unregister(mtd);
-	nand_cleanup(mtd_to_nand(mtd));
+	mtd_device_unregister(nand_to_mtd(chip));
+	nand_cleanup(chip);
 }
 EXPORT_SYMBOL_GPL(nand_release);
 

index 71ac034aee9c..6e908e4fa8e8 100644
@@ -2319,7 +2319,7 @@ static int __init ns_init_module(void)
 		goto error;
 
 	chip->dummy_controller.ops = &ns_controller_ops;
-	retval = nand_scan(nsmtd, 1);
+	retval = nand_scan(chip, 1);
 	if (retval) {
 		NS_ERR("Could not scan NAND Simulator device\n");
 		goto error;

@@ -2364,7 +2364,7 @@ static int __init ns_init_module(void)
 
 err_exit:
 	free_nandsim(nand);
-	nand_release(nsmtd);
+	nand_release(chip);
 	for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
 		kfree(nand->partitions[i].name);
 error:

@@ -2386,7 +2386,7 @@ static void __exit ns_cleanup_module(void)
 	int i;
 
 	free_nandsim(ns);    /* Free nandsim private resources */
-	nand_release(nsmtd); /* Unregister driver */
+	nand_release(chip); /* Unregister driver */
 	for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
 		kfree(ns->partitions[i].name);
 	kfree(mtd_to_nand(nsmtd));        /* Free other structures */

index 540fa1a0ea24..6e96c633ac29 100644
@@ -181,7 +181,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
 		goto err;
 	}
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		goto err;
 

@@ -258,7 +258,7 @@ static int ndfc_remove(struct platform_device *ofdev)
 	struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev);
 	struct mtd_info *mtd = nand_to_mtd(&ndfc->chip);
 
-	nand_release(mtd);
+	nand_release(&ndfc->chip);
 	kfree(mtd->name);
 
 	return 0;

index af5b32c9a791..0c675b6c0b6e 100644
@@ -270,7 +270,7 @@ static int nuc900_nand_probe(struct platform_device *pdev)
 
 	nuc900_nand_enable(nuc900_nand);
 
-	if (nand_scan(mtd, 1))
+	if (nand_scan(chip, 1))
 		return -ENXIO;
 
 	mtd_device_register(mtd, partitions, ARRAY_SIZE(partitions));

@@ -284,7 +284,7 @@ static int nuc900_nand_remove(struct platform_device *pdev)
 {
 	struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&nuc900_nand->chip));
+	nand_release(&nuc900_nand->chip);
 	clk_disable(nuc900_nand->clk);
 
 	return 0;

index b1683d7a7e04..7a4af5f3e3d3 100644
@@ -2254,7 +2254,7 @@ static int omap_nand_probe(struct platform_device *pdev)
 	/* scan NAND device connected to chip controller */
 	nand_chip->options |= info->devsize & NAND_BUSWIDTH_16;
 
-	err = nand_scan(mtd, 1);
+	err = nand_scan(nand_chip, 1);
 	if (err)
 		goto return_error;
 

@@ -2290,7 +2290,7 @@ static int omap_nand_remove(struct platform_device *pdev)
 	}
 	if (info->dma)
 		dma_release_channel(info->dma);
-	nand_release(mtd);
+	nand_release(nand_chip);
 	return 0;
 }
 

index 52d435285a3f..caffebab6c9b 100644
@@ -174,14 +174,14 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(nc, 1);
 	if (ret)
 		goto no_dev;
 
 	mtd->name = "orion_nand";
 	ret = mtd_device_register(mtd, board->parts, board->nr_parts);
 	if (ret) {
-		nand_release(mtd);
+		nand_cleanup(nc);
 		goto no_dev;
 	}
 

@@ -196,9 +196,8 @@ static int orion_nand_remove(struct platform_device *pdev)
 {
 	struct orion_nand_info *info = platform_get_drvdata(pdev);
 	struct nand_chip *chip = &info->chip;
-	struct mtd_info *mtd = nand_to_mtd(chip);
 
-	nand_release(mtd);
+	nand_release(chip);
 
 	clk_disable_unprepare(info->clk);
 

index 01b00bb69c1e..d3f274b2e56d 100644
@@ -123,7 +123,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
 				    GFP_KERNEL);
 		if (!chip) {
 			err = -ENOMEM;
-			goto err_clk_unprepare;
+			goto err_release_child;
 		}
 
 		chip->controller = &oxnas->base;

@@ -142,15 +142,13 @@ static int oxnas_nand_probe(struct platform_device *pdev)
 		chip->chip_delay = 30;
 
 		/* Scan to find existence of the device */
-		err = nand_scan(mtd, 1);
+		err = nand_scan(chip, 1);
 		if (err)
-			goto err_clk_unprepare;
+			goto err_release_child;
 
 		err = mtd_device_register(mtd, NULL, 0);
-		if (err) {
-			nand_release(mtd);
-			goto err_clk_unprepare;
-		}
+		if (err)
+			goto err_cleanup_nand;
 
 		oxnas->chips[nchips] = chip;
 		++nchips;

@@ -166,6 +164,10 @@ static int oxnas_nand_probe(struct platform_device *pdev)
 
 	return 0;
 
+err_cleanup_nand:
+	nand_cleanup(chip);
+err_release_child:
+	of_node_put(nand_np);
 err_clk_unprepare:
 	clk_disable_unprepare(oxnas->clk);
 	return err;

@@ -176,7 +178,7 @@ static int oxnas_nand_remove(struct platform_device *pdev)
 	struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev);
 
 	if (oxnas->chips[0])
-		nand_release(nand_to_mtd(oxnas->chips[0]));
+		nand_release(oxnas->chips[0]);
 
 	clk_disable_unprepare(oxnas->clk);
 

index d69e5bae541e..8713ea770006 100644
@@ -156,7 +156,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
 	chip->bbt_options = NAND_BBT_USE_FLASH;
 
 	/* Scan to find existence of the device */
-	err = nand_scan(pasemi_nand_mtd, 1);
+	err = nand_scan(chip, 1);
 	if (err)
 		goto out_lpc;
 

@@ -193,7 +193,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
 	chip = mtd_to_nand(pasemi_nand_mtd);
 
 	/* Release resources, unregister device */
-	nand_release(pasemi_nand_mtd);
+	nand_release(chip);
 
 	release_region(lpcctl, 4);
 

index 222626df4b96..27365bd8675c 100644
@@ -84,7 +84,7 @@ static int plat_nand_probe(struct platform_device *pdev)
 	}
 
 	/* Scan to find existence of the device */
-	err = nand_scan(mtd, pdata->chip.nr_chips);
+	err = nand_scan(&data->chip, pdata->chip.nr_chips);
 	if (err)
 		goto out;
 

@@ -97,7 +97,7 @@ static int plat_nand_probe(struct platform_device *pdev)
 	if (!err)
 		return err;
 
-	nand_release(mtd);
+	nand_cleanup(&data->chip);
 out:
 	if (pdata->ctrl.remove)
 		pdata->ctrl.remove(pdev);

@@ -112,7 +112,7 @@ static int plat_nand_remove(struct platform_device *pdev)
 	struct plat_nand_data *data = platform_get_drvdata(pdev);
 	struct platform_nand_data *pdata = dev_get_platdata(&pdev->dev);
 
-	nand_release(nand_to_mtd(&data->chip));
+	nand_release(&data->chip);
 	if (pdata->ctrl.remove)
 		pdata->ctrl.remove(pdev);
 

index 07d8750313fd..1f9d64aeb863 100644
@@ -2834,7 +2834,7 @@ static int qcom_nand_host_init_and_register(struct qcom_nand_controller *nandc,
 	/* set up initial status value */
 	host->status = NAND_STATUS_READY | NAND_STATUS_WP;
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		return ret;
 

@@ -2999,7 +2999,7 @@ static int qcom_nandc_remove(struct platform_device *pdev)
 	struct qcom_nand_host *host;
 
 	list_for_each_entry(host, &nandc->host_list, node)
-		nand_release(nand_to_mtd(&host->chip));
+		nand_release(&host->chip);
 
 
 	qcom_nandc_unalloc(nandc);

index dcdeb0660e5e..bb74a0ac697e 100644
@@ -656,7 +656,7 @@ static int r852_register_nand_device(struct r852_device *dev)
 	dev->card_registred = 1;
 	return 0;
 error3:
-	nand_release(mtd);
+	nand_release(dev->chip);
 error1:
 	/* Force card redetect */
 	dev->card_detected = 0;

@@ -675,7 +675,7 @@ static void r852_unregister_nand_device(struct r852_device *dev)
 		return;
 
 	device_remove_file(&mtd->dev, &dev_attr_media_type);
-	nand_release(mtd);
+	nand_release(dev->chip);
 	r852_engine_disable(dev);
 	dev->card_registred = 0;
 }

index c21e8892394a..cf045813c160 100644
@@ -781,7 +781,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
 
 		for (mtdno = 0; mtdno < info->mtd_count; mtdno++, ptr++) {
 			pr_debug("releasing mtd %d (%p)\n", mtdno, ptr);
-			nand_release(nand_to_mtd(&ptr->chip));
+			nand_release(&ptr->chip);
 		}
 	}
 

@@ -1170,7 +1170,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 		mtd->dev.parent = &pdev->dev;
 		s3c2410_nand_init_chip(info, nmtd, sets);
 
-		err = nand_scan(mtd, sets ? sets->nr_chips : 1);
+		err = nand_scan(&nmtd->chip, sets ? sets->nr_chips : 1);
 		if (err)
 			goto exit_error;
 

index 1e7273263c4b..683df1a12989 100644
@@ -1203,7 +1203,7 @@ static int flctl_probe(struct platform_device *pdev)
 	flctl_setup_dma(flctl);
 
 	nand->dummy_controller.ops = &flctl_nand_controller_ops;
-	ret = nand_scan(flctl_mtd, 1);
+	ret = nand_scan(nand, 1);
 	if (ret)
 		goto err_chip;
 

@@ -1226,7 +1226,7 @@ static int flctl_remove(struct platform_device *pdev)
 	struct sh_flctl *flctl = platform_get_drvdata(pdev);
 
 	flctl_release_dma(flctl);
-	nand_release(nand_to_mtd(&flctl->chip));
+	nand_release(&flctl->chip);
 	pm_runtime_disable(&pdev->dev);
 
 	return 0;

index fc171b17a39b..4544753e6a1b 100644
@@ -171,7 +171,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
 	this->ecc.correct = nand_correct_data;
 
 	/* Scan to find existence of the device */
-	err = nand_scan(mtd, 1);
+	err = nand_scan(this, 1);
 	if (err)
 		goto err_scan;
 

@@ -187,7 +187,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
 	return 0;
 
 err_add:
-	nand_release(mtd);
+	nand_cleanup(this);
 
 err_scan:
 	iounmap(sharpsl->io);

@@ -205,7 +205,7 @@ static int sharpsl_nand_remove(struct platform_device *pdev)
 	struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev);
 
 	/* Release resources, unregister device */
-	nand_release(nand_to_mtd(&sharpsl->chip));
+	nand_release(&sharpsl->chip);
 
 	iounmap(sharpsl->io);
 

index 73aafe8c3ef3..02ac6e9b2d16 100644
@@ -195,7 +195,7 @@ int sm_register_device(struct mtd_info *mtd, int smartmedia)
 	/* Scan for card properties */
 	chip->dummy_controller.ops = &sm_controller_ops;
 	flash_ids = smartmedia ? nand_smartmedia_flash_ids : nand_xd_flash_ids;
-	ret = nand_scan_with_ids(mtd, 1, flash_ids);
+	ret = nand_scan_with_ids(chip, 1, flash_ids);
 	if (ret)
 		return ret;
 

index 9824a9923583..274b3521a1dc 100644
@@ -185,7 +185,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
 
 	dev_set_drvdata(&ofdev->dev, host);
 
-	res = nand_scan(mtd, 1);
+	res = nand_scan(nand_chip, 1);
 	if (res)
 		goto out;
 

@@ -193,7 +193,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
 	if (!res)
 		return res;
 
-	nand_release(mtd);
+	nand_cleanup(nand_chip);
 
 out:
 	iounmap(host->io_base);

@@ -206,9 +206,8 @@ static int socrates_nand_probe(struct platform_device *ofdev)
 static int socrates_nand_remove(struct platform_device *ofdev)
 {
 	struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev);
-	struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
 
-	nand_release(mtd);
+	nand_release(&host->nand_chip);
 
 	iounmap(host->io_base);
 

index 5b5f4d25a3e1..5b8502fd50cb 100644
@@ -1940,14 +1940,14 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
 	mtd = nand_to_mtd(nand);
 	mtd->dev.parent = dev;
 
-	ret = nand_scan(mtd, nsels);
+	ret = nand_scan(nand, nsels);
 	if (ret)
 		return ret;
 
 	ret = mtd_device_register(mtd, NULL, 0);
 	if (ret) {
 		dev_err(dev, "failed to register mtd device: %d\n", ret);
-		nand_release(mtd);
+		nand_release(nand);
 		return ret;
 	}
 

@@ -1986,7 +1986,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
 	while (!list_empty(&nfc->chips)) {
 		chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
 					node);
-		nand_release(nand_to_mtd(&chip->nand));
+		nand_release(&chip->nand);
 		sunxi_nand_ecc_cleanup(&chip->nand.ecc);
 		list_del(&chip->node);
 	}

index 72698691727d..1061eb60ee60 100644
@@ -588,7 +588,7 @@ static int chip_init(struct device *dev, struct device_node *np)
 	mtd_set_ooblayout(mtd, &tango_nand_ooblayout_ops);
 	mtd->dev.parent = dev;
 
-	err = nand_scan(mtd, 1);
+	err = nand_scan(chip, 1);
 	if (err)
 		return err;
 

@@ -617,7 +617,7 @@ static int tango_nand_remove(struct platform_device *pdev)
 
 	for (cs = 0; cs < MAX_CS; ++cs) {
 		if (nfc->chips[cs])
-			nand_release(nand_to_mtd(&nfc->chips[cs]->nand_chip));
+			nand_release(&nfc->chips[cs]->nand_chip);
 	}
 
 	return 0;

index 79da1efc88d1..5dcee20e2a8c 100644
@@ -1119,7 +1119,7 @@ static int tegra_nand_chips_init(struct device *dev,
 	chip->select_chip = tegra_nand_select_chip;
 	chip->setup_data_interface = tegra_nand_setup_data_interface;
 
-	ret = nand_scan(mtd, 1);
+	ret = nand_scan(chip, 1);
 	if (ret)
 		return ret;
 

index dcaa924502de..2a9a966ff2b9 100644
@@ -436,7 +436,7 @@ static int tmio_probe(struct platform_device *dev)
 	nand_chip->waitfunc = tmio_nand_wait;
 
 	/* Scan to find existence of the device */
-	retval = nand_scan(mtd, 1);
+	retval = nand_scan(nand_chip, 1);
 	if (retval)
 		goto err_irq;
 

@@ -449,7 +449,7 @@ static int tmio_probe(struct platform_device *dev)
 	if (!retval)
 		return retval;
 
-	nand_release(mtd);
+	nand_cleanup(nand_chip);
 
 err_irq:
 	tmio_hw_stop(dev, tmio);

@@ -460,7 +460,7 @@ static int tmio_remove(struct platform_device *dev)
 {
 	struct tmio_nand *tmio = platform_get_drvdata(dev);
 
-	nand_release(nand_to_mtd(&tmio->chip));
+	nand_release(&tmio->chip);
 	tmio_hw_stop(dev, tmio);
 	return 0;
 }

index 4d61a14fcb65..f722aae2b244 100644
@@ -359,7 +359,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
 		if (plat->wide_mask & (1 << i))
 			chip->options |= NAND_BUSWIDTH_16;
 
-		if (nand_scan(mtd, 1)) {
+		if (nand_scan(chip, 1)) {
 			kfree(txx9_priv->mtdname);
 			kfree(txx9_priv);
 			continue;

@@ -390,7 +390,7 @@ static int __exit txx9ndfmc_remove(struct platform_device *dev)
 		chip = mtd_to_nand(mtd);
 		txx9_priv = nand_get_controller_data(chip);
 
-		nand_release(mtd);
+		nand_release(chip);
 		kfree(txx9_priv->mtdname);
 		kfree(txx9_priv);
 	}

index 6f6dcbf9095b..a73213c835a5 100644
@@ -892,7 +892,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 
 	/* Scan the NAND chip */
 	chip->dummy_controller.ops = &vf610_nfc_controller_ops;
-	err = nand_scan(mtd, 1);
+	err = nand_scan(chip, 1);
 	if (err)
 		goto err_disable_clk;
 

@@ -916,7 +916,7 @@ static int vf610_nfc_remove(struct platform_device *pdev)
 	struct mtd_info *mtd = platform_get_drvdata(pdev);
 	struct vf610_nfc *nfc = mtd_to_nfc(mtd);
 
-	nand_release(mtd);
+	nand_release(mtd_to_nand(mtd));
 	clk_disable_unprepare(nfc->clk);
 	return 0;
 }

index 9926b4e3d69d..bfa43fdc3c54 100644
@@ -205,13 +205,13 @@ static int xway_nand_probe(struct platform_device *pdev)
 		    | cs_flag, EBU_NAND_CON);
 
 	/* Scan to find existence of the device */
-	err = nand_scan(mtd, 1);
+	err = nand_scan(&data->chip, 1);
 	if (err)
 		return err;
 
 	err = mtd_device_register(mtd, NULL, 0);
 	if (err)
-		nand_release(mtd);
+		nand_cleanup(&data->chip);
 
 	return err;
 }

@@ -223,7 +223,7 @@ static int xway_nand_remove(struct platform_device *pdev)
 {
 	struct xway_nand_data *data = platform_get_drvdata(pdev);
 
-	nand_release(nand_to_mtd(&data->chip));
+	nand_release(&data->chip);
 
 	return 0;
 }

index 0957e735cdc4..cf4c92bdd9b8 100644
@@ -235,6 +235,11 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev)
 
 		/* Put it in the ring.  */
 		p->rx_ring[p->rx_next_fill] = re.d64;
+		/* Make sure there is no reorder of filling the ring and ringing
+		 * the bell
+		 */
+		wmb();
+
 		dma_sync_single_for_device(p->dev, p->rx_ring_handle,
 					   ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE),
 					   DMA_BIDIRECTIONAL);

index 6683409fbd4a..4b21ae27a9fd 100644
@@ -2796,7 +2796,7 @@ static int dpaa_eth_probe(struct platform_device *pdev)
 	}
 
 	/* Do this here, so we can be verbose early */
-	SET_NETDEV_DEV(net_dev, dev->parent);
+	SET_NETDEV_DEV(net_dev, dev);
 	dev_set_drvdata(dev, net_dev);
 
 	priv = netdev_priv(net_dev);

index 589a5296da4b..7216825e049c 100644
@@ -6308,11 +6308,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
-	u32 ctrl, ctrl_ext, rctl, status;
-	/* Runtime suspend should only enable wakeup for link changes */
-	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
+	u32 ctrl, ctrl_ext, rctl, status, wufc;
 	int retval = 0;
 
+	/* Runtime suspend should only enable wakeup for link changes */
+	if (runtime)
+		wufc = E1000_WUFC_LNKC;
+	else if (device_may_wakeup(&pdev->dev))
+		wufc = adapter->wol;
+	else
+		wufc = 0;
+
 	status = er32(STATUS);
 	if (status & E1000_STATUS_LU)
 		wufc &= ~E1000_WUFC_LNKC;

@@ -6369,7 +6375,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
 	if (adapter->hw.phy.type == e1000_phy_igp_3) {
 		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
 	} else if (hw->mac.type >= e1000_pch_lpt) {
-		if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
+		if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
 			/* ULP does not support wake from unicast, multicast
 			 * or broadcast.
 			 */

index 36444de701cd..817c290b78cd 100644
@@ -911,9 +911,10 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (geneve->collect_md) {
 		info = skb_tunnel_info(skb);
 		if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
-			err = -EINVAL;
 			netdev_dbg(dev, "no tunnel metadata\n");
-			goto tx_error;
+			dev_kfree_skb(skb);
+			dev->stats.tx_dropped++;
+			return NETDEV_TX_OK;
 		}
 	} else {
 		info = &geneve->info;

@@ -930,7 +931,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (likely(!err))
 		return NETDEV_TX_OK;
-tx_error:
+
 	dev_kfree_skb(skb);
 
 	if (err == -ELOOP)

index ba9df430fca6..fdab49872587 100644
@@ -1148,6 +1148,7 @@ static int __init yam_init_driver(void)
 		err = register_netdev(dev);
 		if (err) {
 			printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name);
+			free_netdev(dev);
 			goto error;
 		}
 		yam_devs[i] = dev;

index 2581ab724c34..f8f75a504a58 100644
@@ -214,10 +214,8 @@ int ntb_default_port_number(struct ntb_dev *ntb)
 	case NTB_TOPO_B2B_DSD:
 		return NTB_PORT_SEC_DSD;
 	default:
-		break;
+		return 0;
 	}
-
-	return -EINVAL;
 }
 EXPORT_SYMBOL(ntb_default_port_number);
 

@@ -240,10 +238,8 @@ int ntb_default_peer_port_number(struct ntb_dev *ntb, int pidx)
 	case NTB_TOPO_B2B_DSD:
 		return NTB_PORT_PRI_USD;
 	default:
-		break;
+		return 0;
 	}
-
-	return -EINVAL;
 }
 EXPORT_SYMBOL(ntb_default_peer_port_number);
 

@@ -315,4 +311,3 @@ static void __exit ntb_driver_exit(void)
 	bus_unregister(&ntb_bus);
 }
 module_exit(ntb_driver_exit);
-

index 80508da3c8b5..ad5d3919435c 100644
@@ -158,6 +158,8 @@ struct perf_peer {
 	/* NTB connection setup service */
 	struct work_struct	service;
 	unsigned long		sts;
+
+	struct completion init_comp;
 };
 #define to_peer_service(__work) \
 	container_of(__work, struct perf_peer, service)

@@ -549,6 +551,7 @@ static int perf_setup_outbuf(struct perf_peer *peer)
 
 	/* Initialization is finally done */
 	set_bit(PERF_STS_DONE, &peer->sts);
+	complete_all(&peer->init_comp);
 
 	return 0;
 }

@@ -559,7 +562,7 @@ static void perf_free_inbuf(struct perf_peer *peer)
 		return;
 
 	(void)ntb_mw_clear_trans(peer->perf->ntb, peer->pidx, peer->gidx);
-	dma_free_coherent(&peer->perf->ntb->dev, peer->inbuf_size,
+	dma_free_coherent(&peer->perf->ntb->pdev->dev, peer->inbuf_size,
 			  peer->inbuf, peer->inbuf_xlat);
 	peer->inbuf = NULL;
 }

@@ -588,8 +591,9 @@ static int perf_setup_inbuf(struct perf_peer *peer)
 
 	perf_free_inbuf(peer);
 
-	peer->inbuf = dma_alloc_coherent(&perf->ntb->dev, peer->inbuf_size,
-					 &peer->inbuf_xlat, GFP_KERNEL);
+	peer->inbuf = dma_alloc_coherent(&perf->ntb->pdev->dev,
+					 peer->inbuf_size, &peer->inbuf_xlat,
+					 GFP_KERNEL);
 	if (!peer->inbuf) {
 		dev_err(&perf->ntb->dev, "Failed to alloc inbuf of %pa\n",
 			&peer->inbuf_size);

@@ -639,6 +643,7 @@ static void perf_service_work(struct work_struct *work)
 		perf_setup_outbuf(peer);
 
 	if (test_and_clear_bit(PERF_CMD_CLEAR, &peer->sts)) {
+		init_completion(&peer->init_comp);
 		clear_bit(PERF_STS_DONE, &peer->sts);
 		if (test_bit(0, &peer->perf->busy_flag) &&
 		    peer == peer->perf->test_peer) {

@@ -655,7 +660,7 @@ static int perf_init_service(struct perf_ctx *perf)
 {
 	u64 mask;
 
-	if (ntb_peer_mw_count(perf->ntb) < perf->pcnt + 1) {
+	if (ntb_peer_mw_count(perf->ntb) < perf->pcnt) {
 		dev_err(&perf->ntb->dev, "Not enough memory windows\n");
 		return -EINVAL;
 	}

@@ -1046,8 +1051,9 @@ static int perf_submit_test(struct perf_peer *peer)
 	struct perf_thread *pthr;
 	int tidx, ret;
 
-	if (!test_bit(PERF_STS_DONE, &peer->sts))
-		return -ENOLINK;
+	ret = wait_for_completion_interruptible(&peer->init_comp);
+	if (ret < 0)
+		return ret;
 
 	if (test_and_set_bit_lock(0, &perf->busy_flag))
 		return -EBUSY;

@@ -1413,10 +1419,21 @@ static int perf_init_peers(struct perf_ctx *perf)
 			peer->gidx = pidx;
 		}
 		INIT_WORK(&peer->service, perf_service_work);
+		init_completion(&peer->init_comp);
 	}
 	if (perf->gidx == -1)
 		perf->gidx = pidx;
 
+	/*
+	 * Hardware with only two ports may not have unique port
+	 * numbers. In this case, the gidxs should all be zero.
+	 */
+	if (perf->pcnt == 1 &&  ntb_port_number(perf->ntb) == 0 &&
+	    ntb_peer_port_number(perf->ntb, 0) == 0) {
+		perf->gidx = 0;
+		perf->peers[0].gidx = 0;
+	}
+
 	for (pidx = 0; pidx < perf->pcnt; pidx++) {
 		ret = perf_setup_peer_mw(&perf->peers[pidx]);
 		if (ret)

@@ -1512,4 +1529,3 @@ static void __exit perf_exit(void)
 	destroy_workqueue(perf_wq);
 }
 module_exit(perf_exit);
-

index 65865e460ab8..18d00eec7b02 100644
@@ -121,15 +121,14 @@ static int pp_find_next_peer(struct pp_ctx *pp)
 	link = ntb_link_is_up(pp->ntb, NULL, NULL);
 
 	/* Find next available peer */
-	if (link & pp->nmask) {
+	if (link & pp->nmask)
 		pidx = __ffs64(link & pp->nmask);
-		out_db = BIT_ULL(pidx + 1);
-	} else if (link & pp->pmask) {
+	else if (link & pp->pmask)
 		pidx = __ffs64(link & pp->pmask);
-		out_db = BIT_ULL(pidx);
-	} else {
+	else
 		return -ENODEV;
-	}
+
+	out_db = BIT_ULL(ntb_peer_port_number(pp->ntb, pidx));
 
 	spin_lock(&pp->lock);
 	pp->out_pidx = pidx;

@@ -303,7 +302,7 @@ static void pp_init_flds(struct pp_ctx *pp)
 			break;
 	}
 
-	pp->in_db = BIT_ULL(pidx);
+	pp->in_db = BIT_ULL(lport);
 	pp->pmask = GENMASK_ULL(pidx, 0) >> 1;
 	pp->nmask = GENMASK_ULL(pcnt - 1, pidx);
 

@@ -435,4 +434,3 @@ static void __exit pp_exit(void)
 	debugfs_remove_recursive(pp_dbgfs_topdir);
 }
 module_exit(pp_exit);
-

index d592c0ffbd19..311d6ab8d016 100644
@@ -504,7 +504,7 @@ static ssize_t tool_peer_link_read(struct file *filep, char __user *ubuf,
 	buf[1] = '\n';
 	buf[2] = '\0';
 
-	return simple_read_from_buffer(ubuf, size, offp, buf, 3);
+	return simple_read_from_buffer(ubuf, size, offp, buf, 2);
 }
 
 static TOOL_FOPS_RDWR(tool_peer_link_fops,

@@ -590,7 +590,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx,
 	inmw->size = min_t(resource_size_t, req_size, size);
 	inmw->size = round_up(inmw->size, addr_align);
 	inmw->size = round_up(inmw->size, size_align);
-	inmw->mm_base = dma_alloc_coherent(&tc->ntb->dev, inmw->size,
+	inmw->mm_base = dma_alloc_coherent(&tc->ntb->pdev->dev, inmw->size,
 					   &inmw->dma_base, GFP_KERNEL);
 	if (!inmw->mm_base)
 		return -ENOMEM;

@@ -612,7 +612,7 @@ static int tool_setup_mw(struct tool_ctx *tc, int pidx, int widx,
 	return 0;
 
 err_free_dma:
-	dma_free_coherent(&tc->ntb->dev, inmw->size, inmw->mm_base,
+	dma_free_coherent(&tc->ntb->pdev->dev, inmw->size, inmw->mm_base,
 			  inmw->dma_base);
 	inmw->mm_base = NULL;
 	inmw->dma_base = 0;

@@ -629,7 +629,7 @@ static void tool_free_mw(struct tool_ctx *tc, int pidx, int widx)
 
 	if (inmw->mm_base != NULL) {
 		ntb_mw_clear_trans(tc->ntb, pidx, widx);
-		dma_free_coherent(&tc->ntb->dev, inmw->size,
+		dma_free_coherent(&tc->ntb->pdev->dev, inmw->size,
 				  inmw->mm_base, inmw->dma_base);
 	}
 

@@ -1690,4 +1690,3 @@ static void __exit tool_exit(void)
 	debugfs_remove_recursive(tool_dbgfs_topdir);
 }
 module_exit(tool_exit);
-

index c72eef988041..a32e60b024b8 100644
@@ -134,8 +134,6 @@ int __of_attach_node_sysfs(struct device_node *np)
 	if (!name)
 		return -ENOMEM;
 
-	of_node_get(np);
-
 	rc = kobject_add(&np->kobj, parent, "%s", name);
 	kfree(name);
 	if (rc)

@@ -144,6 +142,7 @@ int __of_attach_node_sysfs(struct device_node *np)
 	for_each_property_of_node(np, pp)
 		__of_add_property_sysfs(np, pp);
 
+	of_node_get(np);
 	return 0;
 }
 

index 6d4ef0101ef6..be62f654c8eb 100644
@@ -285,6 +285,8 @@ int dw_pcie_allocate_domains(struct pcie_port *pp)
 		return -ENOMEM;
 	}
 
+	irq_domain_update_bus_token(pp->irq_domain, DOMAIN_BUS_NEXUS);
+
 	pp->msi_domain = pci_msi_create_irq_domain(fwnode,
 						   &dw_pcie_msi_domain_info,
 						   pp->irq_domain);

index 6b4555ff2548..0235b6e7dcd1 100644
@@ -321,10 +321,6 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
 
 	advk_pcie_wait_for_link(pcie);
 
-	reg = PCIE_CORE_LINK_L0S_ENTRY |
-		(1 << PCIE_CORE_LINK_WIDTH_SHIFT);
-	advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG);
-
 	reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);
 	reg |= PCIE_CORE_CMD_MEM_ACCESS_EN |
 		PCIE_CORE_CMD_IO_ACCESS_EN |

index d219404bad92..9a86bb7448ac 100644
@@ -743,7 +743,7 @@ static int v3_pci_probe(struct platform_device *pdev)
 	int ret;
 	LIST_HEAD(res);
 
-	host = pci_alloc_host_bridge(sizeof(*v3));
+	host = devm_pci_alloc_host_bridge(dev, sizeof(*v3));
 	if (!host)
 		return -ENOMEM;
 

index 333ab6092f17..00296c5eacb9 100644
@@ -335,11 +335,12 @@ static struct pci_ops rcar_pcie_ops = {
 };
 
 static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie,
-				   struct resource *res)
+				   struct resource_entry *window)
 {
 	/* Setup PCIe address space mappings for each resource */
 	resource_size_t size;
 	resource_size_t res_start;
+	struct resource *res = window->res;
 	u32 mask;
 
 	rcar_pci_write_reg(pcie, 0x00000000, PCIEPTCTLR(win));

@@ -353,9 +354,9 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie,
 	rcar_pci_write_reg(pcie, mask << 7, PCIEPAMR(win));
 
 	if (res->flags & IORESOURCE_IO)
-		res_start = pci_pio_to_address(res->start);
+		res_start = pci_pio_to_address(res->start) - window->offset;
 	else
-		res_start = res->start;
+		res_start = res->start - window->offset;
 
 	rcar_pci_write_reg(pcie, upper_32_bits(res_start), PCIEPAUR(win));
 	rcar_pci_write_reg(pcie, lower_32_bits(res_start) & ~0x7F,

@@ -384,7 +385,7 @@ static int rcar_pcie_setup(struct list_head *resource, struct rcar_pcie *pci)
 		switch (resource_type(res)) {
 		case IORESOURCE_IO:
 		case IORESOURCE_MEM:
-			rcar_pcie_setup_window(i, pci, res);
+			rcar_pcie_setup_window(i, pci, win);
 			i++;
 			break;
 		case IORESOURCE_BUS:

index b52885020c85..c3ac7f094a39 100644
@@ -617,9 +617,11 @@ static int vmd_enable_domain(struct vmd_dev *vmd, unsigned long features)
 			if (!membar2)
 				return -ENOMEM;
 			offset[0] = vmd->dev->resource[VMD_MEMBAR1].start -
-					readq(membar2 + MB2_SHADOW_OFFSET);
+					(readq(membar2 + MB2_SHADOW_OFFSET) &
+					 PCI_BASE_ADDRESS_MEM_MASK);
 			offset[1] = vmd->dev->resource[VMD_MEMBAR2].start -
-					readq(membar2 + MB2_SHADOW_OFFSET + 8);
+					(readq(membar2 + MB2_SHADOW_OFFSET + 8) &
+					 PCI_BASE_ADDRESS_MEM_MASK);
 			pci_iounmap(vmd->dev, membar2);
 		}
 	}

index db2efa219028..6e50f84733b7 100644
@@ -633,16 +633,6 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
 
 	/* Setup initial capable state. Will be updated later */
 	link->aspm_capable = link->aspm_support;
-	/*
-	 * If the downstream component has pci bridge function, don't
-	 * do ASPM for now.
-	 */
-	list_for_each_entry(child, &linkbus->devices, bus_list) {
-		if (pci_pcie_type(child) == PCI_EXP_TYPE_PCI_BRIDGE) {
-			link->aspm_disable = ASPM_STATE_ALL;
-			break;
-		}
-	}
 
 	/* Get and check endpoint acceptable latencies */
 	list_for_each_entry(child, &linkbus->devices, bus_list) {

index 9361f3aa26ab..357a454cafa0 100644
@@ -39,10 +39,6 @@ void pci_ptm_init(struct pci_dev *dev)
 	if (!pci_is_pcie(dev))
 		return;
 
-	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_PTM);
-	if (!pos)
-		return;
-
 	/*
 	 * Enable PTM only on interior devices (root ports, switch ports,
 	 * etc.) on the assumption that it causes no link traffic until an

@@ -52,6 +48,23 @@ void pci_ptm_init(struct pci_dev *dev)
 	     pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END))
 		return;
 
+	/*
+	 * Switch Downstream Ports are not permitted to have a PTM
+	 * capability; their PTM behavior is controlled by the Upstream
+	 * Port (PCIe r5.0, sec 7.9.16).
+	 */
+	ups = pci_upstream_bridge(dev);
+	if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM &&
+	    ups && ups->ptm_enabled) {
+		dev->ptm_granularity = ups->ptm_granularity;
+		dev->ptm_enabled = 1;
+		return;
+	}
+
+	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_PTM);
+	if (!pos)
+		return;
+
 	pci_read_config_dword(dev, pos + PCI_PTM_CAP, &cap);
 	local_clock = (cap & PCI_PTM_GRANULARITY_MASK) >> 8;
 

@@ -61,7 +74,6 @@ void pci_ptm_init(struct pci_dev *dev)
 	 * the spec recommendation (PCIe r3.1, sec 7.32.3), select the
 	 * furthest upstream Time Source as the PTM Root.
 	 */
-	ups = pci_upstream_bridge(dev);
 	if (ups && ups->ptm_enabled) {
 		ctrl = PCI_PTM_CTRL_ENABLE;
 		if (ups->ptm_granularity == 0)

index 243b65f3c282..cbc0d8da7483 100644
@@ -818,9 +818,10 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
 		goto free;
 
 	err = device_register(&bridge->dev);
-	if (err)
+	if (err) {
 		put_device(&bridge->dev);
-
+		goto free;
+	}
 	bus->bridge = get_device(&bridge->dev);
 	device_enable_async_suspend(bus->bridge);
 	pci_set_bus_of_node(bus);

index d8ca40a97693..d21fa04fa44d 100644
@@ -439,10 +439,11 @@ int pci_resize_resource(struct pci_dev *dev, int resno, int size)
 	res->end = res->start + pci_rebar_size_to_bytes(size) - 1;
 
 	/* Check if the new config works by trying to assign everything. */
-	ret = pci_reassign_bridge_resources(dev->bus->self, res->flags);
-	if (ret)
-		goto error_resize;
-
+	if (dev->bus->self) {
+		ret = pci_reassign_bridge_resources(dev->bus->self, res->flags);
+		if (ret)
+			goto error_resize;
+	}
 	return 0;
 
 error_resize:

index 0bde5d919b2e..4aff69cbb903 100644
@@ -38,7 +38,7 @@
 /* L3C has 8-counters */
 #define L3C_NR_COUNTERS		0x8
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