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-rw-r--r--arch/arm/kernel/sleep.S10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index b924bcc32dcd..e0626779fe92 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -11,13 +11,11 @@
* Save CPU state for a suspend
* r1 = v:p offset
* r2 = suspend function arg0
- * r3 = virtual return function
- * Note: sp is decremented to allocate space for CPU state on stack
- * r0-r3,ip,lr corrupted
+ * r3 = suspend function
+ * Note: does not return until system resumes
*/
ENTRY(cpu_suspend)
- stmfd sp!, {r3}
- stmfd sp!, {r4 - r11}
+ stmfd sp!, {r4 - r11, lr}
#ifdef MULTI_CPU
ldr r10, =processor
ldr r5, [r10, #CPU_SLEEP_SIZE] @ size of CPU sleep state
@@ -33,7 +31,7 @@ ENTRY(cpu_suspend)
stmfd sp!, {r1, r6, ip} @ save v:p, virt SP, phys resume fn
ldr r5, =sleep_save_sp
add r6, sp, r1 @ convert SP to phys
- stmfd sp!, {r2, lr} @ save suspend func arg and pointer
+ stmfd sp!, {r2, r3} @ save suspend func arg and pointer
#ifdef CONFIG_SMP
ALT_SMP(mrc p15, 0, lr, c0, c0, 5)
ALT_UP(mov lr, #0)