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ARM: Keystone: No need to preserve r12 across smc call

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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>
This commit is contained in:
Santosh Shilimkar 2013-07-14 10:38:52 -04:00
parent 55bd61c948
commit 993211e08a
1 changed files with 2 additions and 2 deletions
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4
arch/arm/mach-keystone/smc.S
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@ -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)