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-rw-r--r--arch/powerpc/include/asm/mpc52xx_psc.h5
-rw-r--r--arch/powerpc/include/asm/spinlock.h2
-rw-r--r--arch/powerpc/include/asm/switch_to.h1
-rw-r--r--arch/powerpc/kernel/idle_power7.S31
-rw-r--r--arch/powerpc/kernel/pci-common.c8
-rw-r--r--arch/powerpc/kernel/pci_of_scan.c9
-rw-r--r--arch/powerpc/kernel/process.c3
-rw-r--r--arch/powerpc/kernel/signal_32.c2
-rw-r--r--arch/powerpc/kernel/traps.c2
-rw-r--r--arch/powerpc/mm/fault.c4
-rw-r--r--arch/powerpc/perf/hv-24x7.c2
-rw-r--r--arch/powerpc/platforms/512x/clock-commonclk.c1
-rw-r--r--arch/powerpc/platforms/powernv/eeh-powernv.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal-elog.c16
-rw-r--r--arch/powerpc/platforms/powernv/opal-prd.c9
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c11
-rw-r--r--arch/powerpc/sysdev/ppc4xx_hsta_msi.c1
17 files changed, 57 insertions, 52 deletions
diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h
index d0ece257d310..04c7e8fc24c2 100644
--- a/arch/powerpc/include/asm/mpc52xx_psc.h
+++ b/arch/powerpc/include/asm/mpc52xx_psc.h
@@ -150,7 +150,10 @@
/* Structure of the hardware registers */
struct mpc52xx_psc {
- u8 mode; /* PSC + 0x00 */
+ union {
+ u8 mode; /* PSC + 0x00 */
+ u8 mr2;
+ };
u8 reserved0[3];
union { /* PSC + 0x04 */
u16 status;
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 4dbe072eecbe..523673d7583c 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -28,8 +28,6 @@
#include <asm/synch.h>
#include <asm/ppc-opcode.h>
-#define smp_mb__after_unlock_lock() smp_mb() /* Full ordering for lock. */
-
#ifdef CONFIG_PPC64
/* use 0x800000yy when locked, where yy == CPU number */
#ifdef __BIG_ENDIAN__
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 58abeda64cb7..15cca17cba4b 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -29,6 +29,7 @@ static inline void save_early_sprs(struct thread_struct *prev) {}
extern void enable_kernel_fp(void);
extern void enable_kernel_altivec(void);
+extern void enable_kernel_vsx(void);
extern int emulate_altivec(struct pt_regs *);
extern void __giveup_vsx(struct task_struct *);
extern void giveup_vsx(struct task_struct *);
diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S
index ccde8f084ce4..112ccf497562 100644
--- a/arch/powerpc/kernel/idle_power7.S
+++ b/arch/powerpc/kernel/idle_power7.S
@@ -52,6 +52,22 @@
.text
/*
+ * Used by threads when the lock bit of core_idle_state is set.
+ * Threads will spin in HMT_LOW until the lock bit is cleared.
+ * r14 - pointer to core_idle_state
+ * r15 - used to load contents of core_idle_state
+ */
+
+core_idle_lock_held:
+ HMT_LOW
+3: lwz r15,0(r14)
+ andi. r15,r15,PNV_CORE_IDLE_LOCK_BIT
+ bne 3b
+ HMT_MEDIUM
+ lwarx r15,0,r14
+ blr
+
+/*
* Pass requested state in r3:
* r3 - PNV_THREAD_NAP/SLEEP/WINKLE
*
@@ -150,6 +166,10 @@ power7_enter_nap_mode:
ld r14,PACA_CORE_IDLE_STATE_PTR(r13)
lwarx_loop1:
lwarx r15,0,r14
+
+ andi. r9,r15,PNV_CORE_IDLE_LOCK_BIT
+ bnel core_idle_lock_held
+
andc r15,r15,r7 /* Clear thread bit */
andi. r15,r15,PNV_CORE_IDLE_THREAD_BITS
@@ -294,7 +314,7 @@ lwarx_loop2:
* workaround undo code or resyncing timebase or restoring context
* In either case loop until the lock bit is cleared.
*/
- bne core_idle_lock_held
+ bnel core_idle_lock_held
cmpwi cr2,r15,0
lbz r4,PACA_SUBCORE_SIBLING_MASK(r13)
@@ -319,15 +339,6 @@ lwarx_loop2:
isync
b common_exit
-core_idle_lock_held:
- HMT_LOW
-core_idle_lock_loop:
- lwz r15,0(14)
- andi. r9,r15,PNV_CORE_IDLE_LOCK_BIT
- bne core_idle_lock_loop
- HMT_MEDIUM
- b lwarx_loop2
-
first_thread_in_subcore:
/* First thread in subcore to wakeup */
ori r15,r15,PNV_CORE_IDLE_LOCK_BIT
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index b9de34d44fcb..02c1d5dcee4d 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1044,13 +1044,7 @@ void pcibios_set_master(struct pci_dev *dev)
void pcibios_fixup_bus(struct pci_bus *bus)
{
- /* When called from the generic PCI probe, read PCI<->PCI bridge
- * bases. This is -not- called when generating the PCI tree from
- * the OF device-tree.
- */
- pci_read_bridge_bases(bus);
-
- /* Now fixup the bus bus */
+ /* Fixup the bus */
pcibios_setup_bus_self(bus);
/* Now fixup devices on that bus */
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 42e02a2d570b..c8c62c7fc31c 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -126,7 +126,6 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
{
struct pci_dev *dev;
const char *type;
- struct pci_slot *slot;
dev = pci_alloc_dev(bus);
if (!dev)
@@ -145,10 +144,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
dev->needs_freset = 0; /* pcie fundamental reset required */
set_pcie_port_type(dev);
- list_for_each_entry(slot, &dev->bus->slots, list)
- if (PCI_SLOT(dev->devfn) == slot->number)
- dev->slot = slot;
-
+ pci_dev_assign_slot(dev);
dev->vendor = get_int_prop(node, "vendor-id", 0xffff);
dev->device = get_int_prop(node, "device-id", 0xffff);
dev->subsystem_vendor = get_int_prop(node, "subsystem-vendor-id", 0);
@@ -191,6 +187,9 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
pci_device_add(dev, bus);
+ /* Setup MSI caps & disable MSI/MSI-X interrupts */
+ pci_msi_setup_pci_dev(dev);
+
return dev;
}
EXPORT_SYMBOL(of_create_pci_dev);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 8005e18d1b40..64e6e9d9e656 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -204,8 +204,6 @@ EXPORT_SYMBOL_GPL(flush_altivec_to_thread);
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_VSX
-#if 0
-/* not currently used, but some crazy RAID module might want to later */
void enable_kernel_vsx(void)
{
WARN_ON(preemptible());
@@ -220,7 +218,6 @@ void enable_kernel_vsx(void)
#endif /* CONFIG_SMP */
}
EXPORT_SYMBOL(enable_kernel_vsx);
-#endif
void giveup_vsx(struct task_struct *tsk)
{
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index d3a831ac0f92..da50e0c9c57e 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -966,8 +966,6 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s)
int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from)
{
- memset(to, 0, sizeof *to);
-
if (copy_from_user(to, from, 3*sizeof(int)) ||
copy_from_user(to->_sifields._pad,
from->_sifields._pad, SI_PAD_SIZE32))
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 6530f1b8874d..37de90f8a845 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -297,6 +297,8 @@ long machine_check_early(struct pt_regs *regs)
__this_cpu_inc(irq_stat.mce_exceptions);
+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
+
if (cur_cpu_spec && cur_cpu_spec->machine_check_early)
handled = cur_cpu_spec->machine_check_early(regs);
return handled;
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 6d535973b200..a67c6d781c52 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -529,6 +529,10 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
printk(KERN_ALERT "Unable to handle kernel paging request for "
"instruction fetch\n");
break;
+ case 0x600:
+ printk(KERN_ALERT "Unable to handle kernel paging request for "
+ "unaligned access at address 0x%08lx\n", regs->dar);
+ break;
default:
printk(KERN_ALERT "Unable to handle kernel paging request for "
"unknown fault\n");
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index ec2eb20631d1..df956295c2a7 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -320,6 +320,8 @@ static struct attribute *device_str_attr_create_(char *name, char *str)
if (!attr)
return NULL;
+ sysfs_attr_init(&attr->attr.attr);
+
attr->var = str;
attr->attr.attr.name = name;
attr->attr.attr.mode = 0444;
diff --git a/arch/powerpc/platforms/512x/clock-commonclk.c b/arch/powerpc/platforms/512x/clock-commonclk.c
index f691bcabd710..c50ea76ba66c 100644
--- a/arch/powerpc/platforms/512x/clock-commonclk.c
+++ b/arch/powerpc/platforms/512x/clock-commonclk.c
@@ -12,6 +12,7 @@
*/
#include <linux/bitops.h>
+#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/device.h>
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index 5cf5e6ea213b..7cf0df859d05 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -1478,7 +1478,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe)
}
/* Unmask the event */
- if (eeh_enabled())
+ if (ret == EEH_NEXT_ERR_NONE && eeh_enabled())
enable_irq(eeh_event_irq);
return ret;
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index 4949ef0d9400..37f959bf392e 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -237,7 +237,7 @@ static struct elog_obj *create_elog_obj(uint64_t id, size_t size, uint64_t type)
return elog;
}
-static void elog_work_fn(struct work_struct *work)
+static irqreturn_t elog_event(int irq, void *data)
{
__be64 size;
__be64 id;
@@ -251,7 +251,7 @@ static void elog_work_fn(struct work_struct *work)
rc = opal_get_elog_size(&id, &size, &type);
if (rc != OPAL_SUCCESS) {
pr_err("ELOG: OPAL log info read failed\n");
- return;
+ return IRQ_HANDLED;
}
elog_size = be64_to_cpu(size);
@@ -270,16 +270,10 @@ static void elog_work_fn(struct work_struct *work)
* entries.
*/
if (kset_find_obj(elog_kset, name))
- return;
+ return IRQ_HANDLED;
create_elog_obj(log_id, elog_size, elog_type);
-}
-
-static DECLARE_WORK(elog_work, elog_work_fn);
-static irqreturn_t elog_event(int irq, void *data)
-{
- schedule_work(&elog_work);
return IRQ_HANDLED;
}
@@ -304,8 +298,8 @@ int __init opal_elog_init(void)
return irq;
}
- rc = request_irq(irq, elog_event,
- IRQ_TYPE_LEVEL_HIGH, "opal-elog", NULL);
+ rc = request_threaded_irq(irq, NULL, elog_event,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "opal-elog", NULL);
if (rc) {
pr_err("%s: Can't request OPAL event irq (%d)\n",
__func__, rc);
diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c
index 46cb3feb0a13..4ece8e40dd54 100644
--- a/arch/powerpc/platforms/powernv/opal-prd.c
+++ b/arch/powerpc/platforms/powernv/opal-prd.c
@@ -112,6 +112,7 @@ static int opal_prd_open(struct inode *inode, struct file *file)
static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma)
{
size_t addr, size;
+ pgprot_t page_prot;
int rc;
pr_devel("opal_prd_mmap(0x%016lx, 0x%016lx, 0x%lx, 0x%lx)\n",
@@ -125,13 +126,11 @@ static int opal_prd_mmap(struct file *file, struct vm_area_struct *vma)
if (!opal_prd_range_is_valid(addr, size))
return -EINVAL;
- vma->vm_page_prot = __pgprot(pgprot_val(phys_mem_access_prot(file,
- vma->vm_pgoff,
- size, vma->vm_page_prot))
- | _PAGE_SPECIAL);
+ page_prot = phys_mem_access_prot(file, vma->vm_pgoff,
+ size, vma->vm_page_prot);
rc = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, size,
- vma->vm_page_prot);
+ page_prot);
return rc;
}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 5738d315248b..85cbc96eff6c 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2220,7 +2220,7 @@ static void pnv_pci_ioda_setup_opal_tce_kill(struct pnv_phb *phb)
static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
unsigned levels, unsigned long limit,
- unsigned long *current_offset)
+ unsigned long *current_offset, unsigned long *total_allocated)
{
struct page *tce_mem = NULL;
__be64 *addr, *tmp;
@@ -2236,6 +2236,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
}
addr = page_address(tce_mem);
memset(addr, 0, allocated);
+ *total_allocated += allocated;
--levels;
if (!levels) {
@@ -2245,7 +2246,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift,
for (i = 0; i < entries; ++i) {
tmp = pnv_pci_ioda2_table_do_alloc_pages(nid, shift,
- levels, limit, current_offset);
+ levels, limit, current_offset, total_allocated);
if (!tmp)
break;
@@ -2267,7 +2268,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
struct iommu_table *tbl)
{
void *addr;
- unsigned long offset = 0, level_shift;
+ unsigned long offset = 0, level_shift, total_allocated = 0;
const unsigned window_shift = ilog2(window_size);
unsigned entries_shift = window_shift - page_shift;
unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT);
@@ -2286,7 +2287,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
/* Allocate TCE table */
addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
- levels, tce_table_size, &offset);
+ levels, tce_table_size, &offset, &total_allocated);
/* addr==NULL means that the first level allocation failed */
if (!addr)
@@ -2308,7 +2309,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
page_shift);
tbl->it_level_size = 1ULL << (level_shift - 3);
tbl->it_indirect_levels = levels - 1;
- tbl->it_allocated_size = offset;
+ tbl->it_allocated_size = total_allocated;
pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n",
window_size, tce_table_size, bus_offset);
diff --git a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c
index 2bc33674ebfc..87f9623ca805 100644
--- a/arch/powerpc/sysdev/ppc4xx_hsta_msi.c
+++ b/arch/powerpc/sysdev/ppc4xx_hsta_msi.c
@@ -18,6 +18,7 @@
#include <linux/pci.h>
#include <linux/semaphore.h>
#include <asm/msi_bitmap.h>
+#include <asm/ppc-pci.h>
struct ppc4xx_hsta_msi {
struct device *dev;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-11 22:19:05 +0000