1 files changed, 2 insertions, 65 deletions

diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
index 5eead530c6f..69fa4839739 100644
--- a/arch/arm/mach-exynos/hotplug.c
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -19,61 +19,9 @@
 #include <asm/cp15.h>
 #include <asm/smp_plat.h>
 
-#include <plat/cpu.h>
-
 #include "common.h"
 #include "regs-pmu.h"
 
-static inline void cpu_enter_lowpower_a9(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");
-}
-
-static inline void cpu_enter_lowpower_a15(void)
-{
-	unsigned int v;
-
-	asm volatile(
-	"	mrc	p15, 0, %0, c1, c0, 0\n"
-	"	bic	%0, %0, %1\n"
-	"	mcr	p15, 0, %0, c1, c0, 0\n"
-	  : "=&r" (v)
-	  : "Ir" (CR_C)
-	  : "cc");
-
-	flush_cache_louis();
-
-	asm volatile(
-	/*
-	* Turn off coherency
-	*/
-	"	mrc	p15, 0, %0, c1, c0, 1\n"
-	"	bic	%0, %0, %1\n"
-	"	mcr	p15, 0, %0, c1, c0, 1\n"
-	: "=&r" (v)
-	: "Ir" (0x40)
-	: "cc");
-
-	isb();
-	dsb();
-}
-
 static inline void cpu_leave_lowpower(void)
 {
 	unsigned int v;
@@ -96,7 +44,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 
 		/* make cpu1 to be turned off at next WFI command */
 		if (cpu == 1)
-			__raw_writel(0, S5P_ARM_CORE1_CONFIGURATION);
+			exynos_cpu_power_down(cpu);
 
 		/*
 		 * here's the WFI
@@ -132,19 +80,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 void __ref exynos_cpu_die(unsigned int cpu)
 {
 	int spurious = 0;
-	int primary_part = 0;
 
-	/*
-	 * we're ready for shutdown now, so do it.
-	 * Exynos4 is A9 based while Exynos5 is A15; check the CPU part
-	 * number by reading the Main ID register and then perform the
-	 * appropriate sequence for entering low power.
-	 */
-	asm("mrc p15, 0, %0, c0, c0, 0" : "=r"(primary_part) : : "cc");
-	if ((primary_part & 0xfff0) == 0xc0f0)
-		cpu_enter_lowpower_a15();
-	else
-		cpu_enter_lowpower_a9();
+	v7_exit_coherency_flush(louis);
 
 	platform_do_lowpower(cpu, &spurious);