From: Santosh Shilimkar <santosh.shilimkar@ti.com>
Date: Sun, 14 Jul 2013 14:38:52 +0000 (-0400)
Subject: ARM: Keystone: No need to preserve r12 across smc call
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=993211e08a9984aa3ae8a4a840340b2a51a53497;p=linux-beck.git

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>
---

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)