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-rw-r--r--arch/powerpc/platforms/8xx/cpm1.c119
-rw-r--r--arch/powerpc/platforms/book3s/vas-api.c36
-rw-r--r--arch/powerpc/platforms/powermac/nvram.c5
-rw-r--r--arch/powerpc/platforms/powernv/memtrace.c31
-rw-r--r--arch/powerpc/platforms/powernv/opal.c7
-rw-r--r--arch/powerpc/platforms/ps3/setup.c5
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pseries.c6
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c12
-rw-r--r--arch/powerpc/platforms/pseries/mobility.c2
-rw-r--r--arch/powerpc/platforms/pseries/papr_scm.c2
10 files changed, 121 insertions, 104 deletions
diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c
index b24d4102fbf6..1dc095ad48fc 100644
--- a/arch/powerpc/platforms/8xx/cpm1.c
+++ b/arch/powerpc/platforms/8xx/cpm1.c
@@ -45,7 +45,7 @@
#include <sysdev/fsl_soc.h>
#ifdef CONFIG_8xx_GPIO
-#include <linux/gpio/legacy-of-mm-gpiochip.h>
+#include <linux/gpio/driver.h>
#endif
#define CPM_MAP_SIZE (0x4000)
@@ -376,7 +376,8 @@ int __init cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode)
#ifdef CONFIG_8xx_GPIO
struct cpm1_gpio16_chip {
- struct of_mm_gpio_chip mm_gc;
+ struct gpio_chip gc;
+ void __iomem *regs;
spinlock_t lock;
/* shadowed data register to clear/set bits safely */
@@ -386,19 +387,17 @@ struct cpm1_gpio16_chip {
int irq[16];
};
-static void cpm1_gpio16_save_regs(struct of_mm_gpio_chip *mm_gc)
+static void cpm1_gpio16_save_regs(struct cpm1_gpio16_chip *cpm1_gc)
{
- struct cpm1_gpio16_chip *cpm1_gc =
- container_of(mm_gc, struct cpm1_gpio16_chip, mm_gc);
- struct cpm_ioport16 __iomem *iop = mm_gc->regs;
+ struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
cpm1_gc->cpdata = in_be16(&iop->dat);
}
static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm_ioport16 __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
u16 pin_mask;
pin_mask = 1 << (15 - gpio);
@@ -406,11 +405,9 @@ static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio)
return !!(in_be16(&iop->dat) & pin_mask);
}
-static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask,
- int value)
+static void __cpm1_gpio16_set(struct cpm1_gpio16_chip *cpm1_gc, u16 pin_mask, int value)
{
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport16 __iomem *iop = mm_gc->regs;
+ struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
if (value)
cpm1_gc->cpdata |= pin_mask;
@@ -422,38 +419,35 @@ static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask,
static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
unsigned long flags;
u16 pin_mask = 1 << (15 - gpio);
spin_lock_irqsave(&cpm1_gc->lock, flags);
- __cpm1_gpio16_set(mm_gc, pin_mask, value);
+ __cpm1_gpio16_set(cpm1_gc, pin_mask, value);
spin_unlock_irqrestore(&cpm1_gc->lock, flags);
}
static int cpm1_gpio16_to_irq(struct gpio_chip *gc, unsigned int gpio)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
return cpm1_gc->irq[gpio] ? : -ENXIO;
}
static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport16 __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
unsigned long flags;
u16 pin_mask = 1 << (15 - gpio);
spin_lock_irqsave(&cpm1_gc->lock, flags);
setbits16(&iop->dir, pin_mask);
- __cpm1_gpio16_set(mm_gc, pin_mask, val);
+ __cpm1_gpio16_set(cpm1_gc, pin_mask, val);
spin_unlock_irqrestore(&cpm1_gc->lock, flags);
@@ -462,9 +456,8 @@ static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport16 __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport16 __iomem *iop = cpm1_gc->regs;
unsigned long flags;
u16 pin_mask = 1 << (15 - gpio);
@@ -481,11 +474,10 @@ int cpm1_gpiochip_add16(struct device *dev)
{
struct device_node *np = dev->of_node;
struct cpm1_gpio16_chip *cpm1_gc;
- struct of_mm_gpio_chip *mm_gc;
struct gpio_chip *gc;
u16 mask;
- cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL);
+ cpm1_gc = devm_kzalloc(dev, sizeof(*cpm1_gc), GFP_KERNEL);
if (!cpm1_gc)
return -ENOMEM;
@@ -499,10 +491,8 @@ int cpm1_gpiochip_add16(struct device *dev)
cpm1_gc->irq[i] = irq_of_parse_and_map(np, j++);
}
- mm_gc = &cpm1_gc->mm_gc;
- gc = &mm_gc->gc;
-
- mm_gc->save_regs = cpm1_gpio16_save_regs;
+ gc = &cpm1_gc->gc;
+ gc->base = -1;
gc->ngpio = 16;
gc->direction_input = cpm1_gpio16_dir_in;
gc->direction_output = cpm1_gpio16_dir_out;
@@ -512,30 +502,39 @@ int cpm1_gpiochip_add16(struct device *dev)
gc->parent = dev;
gc->owner = THIS_MODULE;
- return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
+ gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+ if (!gc->label)
+ return -ENOMEM;
+
+ cpm1_gc->regs = devm_of_iomap(dev, np, 0, NULL);
+ if (IS_ERR(cpm1_gc->regs))
+ return PTR_ERR(cpm1_gc->regs);
+
+ cpm1_gpio16_save_regs(cpm1_gc);
+
+ return devm_gpiochip_add_data(dev, gc, cpm1_gc);
}
struct cpm1_gpio32_chip {
- struct of_mm_gpio_chip mm_gc;
+ struct gpio_chip gc;
+ void __iomem *regs;
spinlock_t lock;
/* shadowed data register to clear/set bits safely */
u32 cpdata;
};
-static void cpm1_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc)
+static void cpm1_gpio32_save_regs(struct cpm1_gpio32_chip *cpm1_gc)
{
- struct cpm1_gpio32_chip *cpm1_gc =
- container_of(mm_gc, struct cpm1_gpio32_chip, mm_gc);
- struct cpm_ioport32b __iomem *iop = mm_gc->regs;
+ struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
cpm1_gc->cpdata = in_be32(&iop->dat);
}
static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm_ioport32b __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
u32 pin_mask;
pin_mask = 1 << (31 - gpio);
@@ -543,11 +542,9 @@ static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio)
return !!(in_be32(&iop->dat) & pin_mask);
}
-static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
- int value)
+static void __cpm1_gpio32_set(struct cpm1_gpio32_chip *cpm1_gc, u32 pin_mask, int value)
{
- struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport32b __iomem *iop = mm_gc->regs;
+ struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
if (value)
cpm1_gc->cpdata |= pin_mask;
@@ -559,30 +556,28 @@ static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc);
unsigned long flags;
u32 pin_mask = 1 << (31 - gpio);
spin_lock_irqsave(&cpm1_gc->lock, flags);
- __cpm1_gpio32_set(mm_gc, pin_mask, value);
+ __cpm1_gpio32_set(cpm1_gc, pin_mask, value);
spin_unlock_irqrestore(&cpm1_gc->lock, flags);
}
static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport32b __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
unsigned long flags;
u32 pin_mask = 1 << (31 - gpio);
spin_lock_irqsave(&cpm1_gc->lock, flags);
setbits32(&iop->dir, pin_mask);
- __cpm1_gpio32_set(mm_gc, pin_mask, val);
+ __cpm1_gpio32_set(cpm1_gc, pin_mask, val);
spin_unlock_irqrestore(&cpm1_gc->lock, flags);
@@ -591,9 +586,8 @@ static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
- struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
- struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
- struct cpm_ioport32b __iomem *iop = mm_gc->regs;
+ struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(gc);
+ struct cpm_ioport32b __iomem *iop = cpm1_gc->regs;
unsigned long flags;
u32 pin_mask = 1 << (31 - gpio);
@@ -610,19 +604,16 @@ int cpm1_gpiochip_add32(struct device *dev)
{
struct device_node *np = dev->of_node;
struct cpm1_gpio32_chip *cpm1_gc;
- struct of_mm_gpio_chip *mm_gc;
struct gpio_chip *gc;
- cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL);
+ cpm1_gc = devm_kzalloc(dev, sizeof(*cpm1_gc), GFP_KERNEL);
if (!cpm1_gc)
return -ENOMEM;
spin_lock_init(&cpm1_gc->lock);
- mm_gc = &cpm1_gc->mm_gc;
- gc = &mm_gc->gc;
-
- mm_gc->save_regs = cpm1_gpio32_save_regs;
+ gc = &cpm1_gc->gc;
+ gc->base = -1;
gc->ngpio = 32;
gc->direction_input = cpm1_gpio32_dir_in;
gc->direction_output = cpm1_gpio32_dir_out;
@@ -631,7 +622,17 @@ int cpm1_gpiochip_add32(struct device *dev)
gc->parent = dev;
gc->owner = THIS_MODULE;
- return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
+ gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+ if (!gc->label)
+ return -ENOMEM;
+
+ cpm1_gc->regs = devm_of_iomap(dev, np, 0, NULL);
+ if (IS_ERR(cpm1_gc->regs))
+ return PTR_ERR(cpm1_gc->regs);
+
+ cpm1_gpio32_save_regs(cpm1_gc);
+
+ return devm_gpiochip_add_data(dev, gc, cpm1_gc);
}
#endif /* CONFIG_8xx_GPIO */
diff --git a/arch/powerpc/platforms/book3s/vas-api.c b/arch/powerpc/platforms/book3s/vas-api.c
index f381b177ea06..0b6365d85d11 100644
--- a/arch/powerpc/platforms/book3s/vas-api.c
+++ b/arch/powerpc/platforms/book3s/vas-api.c
@@ -464,7 +464,43 @@ static vm_fault_t vas_mmap_fault(struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
+/*
+ * During mmap() paste address, mapping VMA is saved in VAS window
+ * struct which is used to unmap during migration if the window is
+ * still open. But the user space can remove this mapping with
+ * munmap() before closing the window and the VMA address will
+ * be invalid. Set VAS window VMA to NULL in this function which
+ * is called before VMA free.
+ */
+static void vas_mmap_close(struct vm_area_struct *vma)
+{
+ struct file *fp = vma->vm_file;
+ struct coproc_instance *cp_inst = fp->private_data;
+ struct vas_window *txwin;
+
+ /* Should not happen */
+ if (!cp_inst || !cp_inst->txwin) {
+ pr_err("No attached VAS window for the paste address mmap\n");
+ return;
+ }
+
+ txwin = cp_inst->txwin;
+ /*
+ * task_ref.vma is set in coproc_mmap() during mmap paste
+ * address. So it has to be the same VMA that is getting freed.
+ */
+ if (WARN_ON(txwin->task_ref.vma != vma)) {
+ pr_err("Invalid paste address mmaping\n");
+ return;
+ }
+
+ mutex_lock(&txwin->task_ref.mmap_mutex);
+ txwin->task_ref.vma = NULL;
+ mutex_unlock(&txwin->task_ref.mmap_mutex);
+}
+
static const struct vm_operations_struct vas_vm_ops = {
+ .close = vas_mmap_close,
.fault = vas_mmap_fault,
};
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index fe2e0249cbc2..a112d26185a0 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -514,10 +514,7 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr)
printk(KERN_ERR "nvram: no address\n");
return -EINVAL;
}
- nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES);
- if (!nvram_image)
- panic("%s: Failed to allocate %u bytes\n", __func__,
- NVRAM_SIZE);
+ nvram_image = memblock_alloc_or_panic(NVRAM_SIZE, SMP_CACHE_BYTES);
nvram_data = ioremap(addr, NVRAM_SIZE*2);
nvram_naddrs = 1; /* Make sure we get the correct case */
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c
index 877720c64515..4ac9808e55a4 100644
--- a/arch/powerpc/platforms/powernv/memtrace.c
+++ b/arch/powerpc/platforms/powernv/memtrace.c
@@ -88,26 +88,6 @@ static void flush_dcache_range_chunked(unsigned long start, unsigned long stop,
}
}
-static void memtrace_clear_range(unsigned long start_pfn,
- unsigned long nr_pages)
-{
- unsigned long pfn;
-
- /* As HIGHMEM does not apply, use clear_page() directly. */
- for (pfn = start_pfn; pfn < start_pfn + nr_pages; pfn++) {
- if (IS_ALIGNED(pfn, PAGES_PER_SECTION))
- cond_resched();
- clear_page(__va(PFN_PHYS(pfn)));
- }
- /*
- * Before we go ahead and use this range as cache inhibited range
- * flush the cache.
- */
- flush_dcache_range_chunked((unsigned long)pfn_to_kaddr(start_pfn),
- (unsigned long)pfn_to_kaddr(start_pfn + nr_pages),
- FLUSH_CHUNK_SIZE);
-}
-
static u64 memtrace_alloc_node(u32 nid, u64 size)
{
const unsigned long nr_pages = PHYS_PFN(size);
@@ -119,17 +99,18 @@ static u64 memtrace_alloc_node(u32 nid, u64 size)
* by alloc_contig_pages().
*/
page = alloc_contig_pages(nr_pages, GFP_KERNEL | __GFP_THISNODE |
- __GFP_NOWARN, nid, NULL);
+ __GFP_NOWARN | __GFP_ZERO, nid, NULL);
if (!page)
return 0;
start_pfn = page_to_pfn(page);
/*
- * Clear the range while we still have a linear mapping.
- *
- * TODO: use __GFP_ZERO with alloc_contig_pages() once supported.
+ * Before we go ahead and use this range as cache inhibited range
+ * flush the cache.
*/
- memtrace_clear_range(start_pfn, nr_pages);
+ flush_dcache_range_chunked((unsigned long)pfn_to_kaddr(start_pfn),
+ (unsigned long)pfn_to_kaddr(start_pfn + nr_pages),
+ FLUSH_CHUNK_SIZE);
/*
* Set pages PageOffline(), to indicate that nobody (e.g., hibernation,
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 5d0f35bb917e..9ec265fcaff4 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -180,10 +180,7 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node,
/*
* Allocate a buffer to hold the MC recoverable ranges.
*/
- mc_recoverable_range = memblock_alloc(size, __alignof__(u64));
- if (!mc_recoverable_range)
- panic("%s: Failed to allocate %u bytes align=0x%lx\n",
- __func__, size, __alignof__(u64));
+ mc_recoverable_range = memblock_alloc_or_panic(size, __alignof__(u64));
for (i = 0; i < mc_recoverable_range_len; i++) {
mc_recoverable_range[i].start_addr =
@@ -818,7 +815,7 @@ static int opal_add_one_export(struct kobject *parent, const char *export_name,
sysfs_bin_attr_init(attr);
attr->attr.name = name;
attr->attr.mode = 0400;
- attr->read = sysfs_bin_attr_simple_read;
+ attr->read_new = sysfs_bin_attr_simple_read;
attr->private = __va(vals[0]);
attr->size = vals[1];
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 5144f11359f7..150c09b58ae8 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -115,10 +115,7 @@ static void __init prealloc(struct ps3_prealloc *p)
if (!p->size)
return;
- p->address = memblock_alloc(p->size, p->align);
- if (!p->address)
- panic("%s: Failed to allocate %lu bytes align=0x%lx\n",
- __func__, p->size, p->align);
+ p->address = memblock_alloc_or_panic(p->size, p->align);
printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
p->address);
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 1893f66371fa..b12ef382fec7 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -580,8 +580,10 @@ static int pseries_eeh_get_state(struct eeh_pe *pe, int *delay)
switch(rets[0]) {
case 0:
- result = EEH_STATE_MMIO_ACTIVE |
- EEH_STATE_DMA_ACTIVE;
+ result = EEH_STATE_MMIO_ACTIVE |
+ EEH_STATE_DMA_ACTIVE |
+ EEH_STATE_MMIO_ENABLED |
+ EEH_STATE_DMA_ENABLED;
break;
case 1:
result = EEH_STATE_RESET_ACTIVE |
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 534cd159e9ab..ae6f7a235d8b 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -1650,7 +1650,8 @@ static bool enable_ddw(struct pci_dev *dev, struct device_node *pdn)
iommu_table_setparms_common(newtbl, pci->phb->bus->number, create.liobn,
dynamic_addr, dynamic_len, page_shift, NULL,
&iommu_table_lpar_multi_ops);
- iommu_init_table(newtbl, pci->phb->node, start, end);
+ iommu_init_table(newtbl, pci->phb->node,
+ start >> page_shift, end >> page_shift);
pci->table_group->tables[default_win_removed ? 0 : 1] = newtbl;
@@ -2065,7 +2066,9 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu
offset, 1UL << window_shift,
IOMMU_PAGE_SHIFT_4K, NULL,
&iommu_table_lpar_multi_ops);
- iommu_init_table(tbl, pci->phb->node, start, end);
+ iommu_init_table(tbl, pci->phb->node,
+ start >> IOMMU_PAGE_SHIFT_4K,
+ end >> IOMMU_PAGE_SHIFT_4K);
table_group->tables[0] = tbl;
@@ -2136,7 +2139,7 @@ static long spapr_tce_create_table(struct iommu_table_group *table_group, int nu
/* New table for using DDW instead of the default DMA window */
iommu_table_setparms_common(tbl, pci->phb->bus->number, create.liobn, win_addr,
1UL << len, page_shift, NULL, &iommu_table_lpar_multi_ops);
- iommu_init_table(tbl, pci->phb->node, start, end);
+ iommu_init_table(tbl, pci->phb->node, start >> page_shift, end >> page_shift);
pci->table_group->tables[num] = tbl;
set_iommu_table_base(&pdev->dev, tbl);
@@ -2205,6 +2208,9 @@ static long spapr_tce_unset_window(struct iommu_table_group *table_group, int nu
const char *win_name;
int ret = -ENODEV;
+ if (!tbl) /* The table was never created OR window was never opened */
+ return 0;
+
mutex_lock(&dma_win_init_mutex);
if ((num == 0) && is_default_window_table(table_group, tbl))
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index 1798f0f14d58..62bd8e2d5d4c 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -53,7 +53,7 @@ struct update_props_workarea {
static unsigned int nmi_wd_lpm_factor = 200;
#ifdef CONFIG_SYSCTL
-static struct ctl_table nmi_wd_lpm_factor_ctl_table[] = {
+static const struct ctl_table nmi_wd_lpm_factor_ctl_table[] = {
{
.procname = "nmi_wd_lpm_factor",
.data = &nmi_wd_lpm_factor,
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index f84ac9fbe203..f7c9271bda58 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -544,7 +544,7 @@ static int drc_pmem_query_health(struct papr_scm_priv *p)
/* Jiffies offset for which the health data is assumed to be same */
cache_timeout = p->lasthealth_jiffies +
- msecs_to_jiffies(MIN_HEALTH_QUERY_INTERVAL * 1000);
+ secs_to_jiffies(MIN_HEALTH_QUERY_INTERVAL);
/* Fetch new health info is its older than MIN_HEALTH_QUERY_INTERVAL */
if (time_after(jiffies, cache_timeout))
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-08-20 04:21:36 +0000