From 993211e08a9984aa3ae8a4a840340b2a51a53497 Mon Sep 17 00:00:00 2001 From: Santosh Shilimkar Date: Sun, 14 Jul 2013 10:38:52 -0400 Subject: [PATCH] ARM: Keystone: No need to preserve r12 across smc call Register r12 is caller-save, so no need preserve it keystone_cpu_smc(). Reported-by: Dave Martin Signed-off-by: Santosh Shilimkar --- 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 9b9e4f7b241e..5bb5176f5e2b 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) -- 2.34.1