[RESEND PATCH 3/7] ARM: Keystone: No need to preserve r12 across smc call
Santosh Shilimkar
santosh.shilimkar at ti.com
Mon Aug 5 14:11:10 EDT 2013
Register r12 is caller-save, so no need preserve it keystone_cpu_smc().
Reported-by: Dave Martin <dave.martin at linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
---
arch/arm/mach-keystone/smc.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-keystone/smc.S b/arch/arm/mach-keystone/smc.S
index 9b9e4f7..5bb5176 100644
--- a/arch/arm/mach-keystone/smc.S
+++ b/arch/arm/mach-keystone/smc.S
@@ -22,8 +22,8 @@
* Return: Non zero value on failure
*/
ENTRY(keystone_cpu_smc)
- stmfd sp!, {r4-r12, lr}
+ stmfd sp!, {r4-r11, lr}
smc #0
dsb
- ldmfd sp!, {r4-r12, pc}
+ ldmfd sp!, {r4-r11, pc}
ENDPROC(keystone_cpu_smc)
--
1.7.9.5
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