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-rw-r--r--arch/arm/kernel/head.S9
-rw-r--r--arch/arm/kernel/irq.c3
-rw-r--r--arch/arm/kernel/suspend.c4
3 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 664eee8c4a26..01963273c07a 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -346,6 +346,12 @@ __turn_mmu_on_loc:
#if defined(CONFIG_SMP)
.text
+ENTRY(secondary_startup_arm)
+ .arm
+ THUMB( adr r9, BSYM(1f) ) @ Kernel is entered in ARM.
+ THUMB( bx r9 ) @ If this is a Thumb-2 kernel,
+ THUMB( .thumb ) @ switch to Thumb now.
+ THUMB(1: )
ENTRY(secondary_startup)
/*
* Common entry point for secondary CPUs.
@@ -385,6 +391,7 @@ ENTRY(secondary_startup)
THUMB( add r12, r10, #PROCINFO_INITFUNC )
THUMB( ret r12 )
ENDPROC(secondary_startup)
+ENDPROC(secondary_startup_arm)
/*
* r6 = &secondary_data
@@ -586,7 +593,7 @@ __fixup_pv_table:
add r5, r5, r3 @ adjust table end address
add r6, r6, r3 @ adjust __pv_phys_pfn_offset address
add r7, r7, r3 @ adjust __pv_offset address
- mov r0, r8, lsr #12 @ convert to PFN
+ mov r0, r8, lsr #PAGE_SHIFT @ convert to PFN
str r0, [r6] @ save computed PHYS_OFFSET to __pv_phys_pfn_offset
strcc ip, [r7, #HIGH_OFFSET] @ save to __pv_offset high bits
mov r6, r3, lsr #24 @ constant for add/sub instructions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index ad857bada96c..350f188c92d2 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -109,7 +109,8 @@ void __init init_IRQ(void)
if (IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_CACHE_L2X0) &&
(machine_desc->l2c_aux_mask || machine_desc->l2c_aux_val)) {
- outer_cache.write_sec = machine_desc->l2c_write_sec;
+ if (!outer_cache.write_sec)
+ outer_cache.write_sec = machine_desc->l2c_write_sec;
ret = l2x0_of_init(machine_desc->l2c_aux_val,
machine_desc->l2c_aux_mask);
if (ret)
diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c
index 2835d35234ca..9a2f882a0a2d 100644
--- a/arch/arm/kernel/suspend.c
+++ b/arch/arm/kernel/suspend.c
@@ -14,10 +14,6 @@ extern int __cpu_suspend(unsigned long, int (*)(unsigned long), u32 cpuid);
extern void cpu_resume_mmu(void);
#ifdef CONFIG_MMU
-/*
- * Hide the first two arguments to __cpu_suspend - these are an implementation
- * detail which platform code shouldn't have to know about.
- */
int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
{
struct mm_struct *mm = current->active_mm;