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| author | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-07-14 16:38:52 +0200 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-08-05 19:22:09 +0200 |
| commit | 993211e08a9984aa3ae8a4a840340b2a51a53497 (patch) | |
| tree | 18febecc1588d4a51fbcf886a3f551ba1ec066d7 /arch/arm/mach-keystone/smc.S | |
| parent | ARM: keystone: remove redundant smp_init_cpus definition (diff) | |
| download | linux-993211e08a9984aa3ae8a4a840340b2a51a53497.tar.xz linux-993211e08a9984aa3ae8a4a840340b2a51a53497.zip | |
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 <dave.martin@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch/arm/mach-keystone/smc.S')
| -rw-r--r-- | arch/arm/mach-keystone/smc.S | 4 |
1 files 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) |