Generic arm cpu hotplug related functions are moved to core hotplug code,
Exynos-4 is having Cortex-A9, remove the functions from the platform code.
Signed-off-by: Sanjay Singh Rawat <sanjay.ra...@linaro.org>
---
arch/arm/mach-exynos/hotplug.c | 40 ++--------------------------------------
1 file changed, 2 insertions(+), 38 deletions(-)
diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
index af90cfa..3489760 100644
--- a/arch/arm/mach-exynos/hotplug.c
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -21,30 +21,10 @@
#include <mach/regs-pmu.h>
#include <plat/cpu.h>
+#include <asm/hotplug.h>
#include "common.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;
@@ -74,22 +54,6 @@ static inline void cpu_enter_lowpower_a15(void)
dsb();
}
-static inline void cpu_leave_lowpower(void)
-{
- unsigned int v;
-
- asm volatile(
- "mrc p15, 0, %0, c1, c0, 0\n"
- " orr %0, %0, %1\n"
- " mcr p15, 0, %0, c1, c0, 0\n"
- " mrc p15, 0, %0, c1, c0, 1\n"
- " orr %0, %0, %2\n"
- " mcr p15, 0, %0, c1, c0, 1\n"
- : "=&r" (v)
- : "Ir" (CR_C), "Ir" (0x40)
- : "cc");
-}
-
static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
{
for (;;) {
@@ -144,7 +108,7 @@ void __ref exynos_cpu_die(unsigned int cpu)
if ((primary_part & 0xfff0) == 0xc0f0)
cpu_enter_lowpower_a15();
else
- cpu_enter_lowpower_a9();
+ cpu_enter_lowpower();
platform_do_lowpower(cpu, &spurious);
--
1.7.9.5
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