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[6/8] ARM: sleep.S: use PC-relative insn sequence for sleep_save_sp/mpidr_hash

Message ID 1470238730-30038-7-git-send-email-ard.biesheuvel@linaro.org
State New
Headers show

Commit Message

Ard Biesheuvel Aug. 3, 2016, 3:38 p.m. UTC 
Replace the open coded PC relative offset calculations with adr_l
invocations.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

---
 arch/arm/kernel/sleep.S | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

-- 
2.7.4


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diff mbox

Patch

diff --git a/arch/arm/kernel/sleep.S b/arch/arm/kernel/sleep.S
index 0f6c1000582c..445011af9162 100644
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -137,9 +137,8 @@  ARM_BE8(setend be)			@ ensure we are in BE mode
 	mov	r1, #0
 	ALT_SMP(mrc p15, 0, r0, c0, c0, 5)
 	ALT_UP_B(1f)
-	adr	r2, mpidr_hash_ptr
-	ldr	r3, [r2]
-	add	r2, r2, r3		@ r2 = struct mpidr_hash phys address
+	adr_l	r2, mpidr_hash		@ r2 = struct mpidr_hash phys address
+
 	/*
 	 * This ldmia relies on the memory layout of the mpidr_hash
 	 * struct mpidr_hash.
@@ -147,9 +146,7 @@  ARM_BE8(setend be)			@ ensure we are in BE mode
 	ldmia	r2, { r3-r6 }	@ r3 = mpidr mask (r4,r5,r6) = l[0,1,2] shifts
 	compute_mpidr_hash	r1, r4, r5, r6, r0, r3
 1:
-	adr	r0, _sleep_save_sp
-	ldr	r2, [r0]
-	add	r0, r0, r2
+	adr_l	r0, sleep_save_sp
 	ldr	r0, [r0, #SLEEP_SAVE_SP_PHYS]
 	ldr	r0, [r0, r1, lsl #2]
 
@@ -164,12 +161,6 @@  ENDPROC(cpu_resume)
 ENDPROC(cpu_resume_arm)
 #endif
 
-	.align 2
-_sleep_save_sp:
-	.long	sleep_save_sp - .
-mpidr_hash_ptr:
-	.long	mpidr_hash - .			@ mpidr_hash struct offset
-
 	.data
 	.type	sleep_save_sp, #object
 ENTRY(sleep_save_sp)