[RFC PATCH 2/6] ARM: imx: use the core cpu hotplug functions

Sanjay Singh Rawat sanjay.rawat at linaro.org
Mon May 20 02:33:24 EDT 2013


Generic arm cpu hotplug related functions are moved to core hotplug code,
remove the functions from the platform code.

Signed-off-by: Sanjay Singh Rawat <sanjay.rawat at linaro.org>
---
 arch/arm/mach-imx/hotplug.c |   22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 3daf1ed..280c6f3 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -14,30 +14,10 @@
 #include <linux/jiffies.h>
 #include <asm/cp15.h>
 #include <asm/proc-fns.h>
+#include <asm/hotplug.h>
 
 #include "common.h"
 
-static inline void cpu_enter_lowpower(void)
-{
-	unsigned int v;
-
-	asm volatile(
-		"mcr	p15, 0, %1, c7, c5, 0\n"
-	"	mcr	p15, 0, %1, c7, c10, 4\n"
-	/*
-	 * Turn off coherency
-	 */
-	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	bic	%0, %0, %3\n"
-	"	mcr	p15, 0, %0, c1, c0, 1\n"
-	"	mrc	p15, 0, %0, c1, c0, 0\n"
-	"	bic	%0, %0, %2\n"
-	"	mcr	p15, 0, %0, c1, c0, 0\n"
-	  : "=&r" (v)
-	  : "r" (0), "Ir" (CR_C), "Ir" (0x40)
-	  : "cc");
-}
-
 /*
  * platform-specific code to shutdown a CPU
  *
-- 
1.7.9.5




More information about the linux-arm-kernel mailing list