summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/head_44x.S7
-rw-r--r--arch/powerpc/kernel/irq.c2
-rw-r--r--arch/powerpc/kernel/ppc_ksyms.c2
-rw-r--r--arch/powerpc/kernel/prom_init_check.sh14
-rw-r--r--arch/powerpc/kernel/vdso.c2
5 files changed, 22 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index c2b9dc4fce5d..22b5d2c459a3 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -368,7 +368,12 @@ interrupt_base:
rlwimi r11,r13,0,26,31 /* Insert static perms */
- rlwinm r11,r11,0,20,15 /* Clear U0-U3 */
+ /*
+ * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+ * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+ * include/asm-powerpc/pgtable-ppc32.h for details).
+ */
+ rlwinm r11,r11,0,20,10
/* find the TLB index that caused the fault. It has to be here. */
tlbsx r10, 0, r10
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 2f73f705d564..bcc249d90c4d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -1073,7 +1073,7 @@ static const struct file_operations virq_debug_fops = {
static int __init irq_debugfs_init(void)
{
if (debugfs_create_file("virq_mapping", S_IRUGO, powerpc_debugfs_root,
- NULL, &virq_debug_fops))
+ NULL, &virq_debug_fops) == NULL)
return -ENOMEM;
return 0;
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index cf6b5a7d8b3f..d3ac631cbd26 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -8,7 +8,6 @@
#include <linux/screen_info.h>
#include <linux/vt_kern.h>
#include <linux/nvram.h>
-#include <linux/console.h>
#include <linux/irq.h>
#include <linux/pci.h>
#include <linux/delay.h>
@@ -160,7 +159,6 @@ EXPORT_SYMBOL(screen_info);
EXPORT_SYMBOL(timer_interrupt);
EXPORT_SYMBOL(irq_desc);
EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(console_drivers);
EXPORT_SYMBOL(cacheable_memcpy);
#endif
diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh
index 31729a9387df..2c7e8e87f770 100644
--- a/arch/powerpc/kernel/prom_init_check.sh
+++ b/arch/powerpc/kernel/prom_init_check.sh
@@ -48,6 +48,20 @@ do
fi
done
+ # ignore register save/restore funcitons
+ if [ "${UNDEF:0:9}" = "_restgpr_" ]; then
+ OK=1
+ fi
+ if [ "${UNDEF:0:11}" = "_rest32gpr_" ]; then
+ OK=1
+ fi
+ if [ "${UNDEF:0:9}" = "_savegpr_" ]; then
+ OK=1
+ fi
+ if [ "${UNDEF:0:11}" = "_save32gpr_" ]; then
+ OK=1
+ fi
+
if [ $OK -eq 0 ]; then
ERROR=1
echo "Error: External symbol '$UNDEF' referenced" \
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index c21a626af676..ce245a850db2 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -142,7 +142,7 @@ static void dump_one_vdso_page(struct page *pg, struct page *upg)
printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
page_count(pg),
pg->flags);
- if (upg/* && pg != upg*/) {
+ if (upg && !IS_ERR(upg) /* && pg != upg*/) {
printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
<< PAGE_SHIFT),
page_count(upg),