aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos/pm.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-exynos/pm.c')
-rw-r--r--arch/arm/mach-exynos/pm.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 509a435afd4..a4f61a43c7b 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -23,6 +23,7 @@
#include <asm/cacheflush.h>
#include <asm/hardware/cache-l2x0.h>
+#include <asm/smp_scu.h>
#include <plat/cpu.h>
#include <plat/pm.h>
@@ -205,7 +206,7 @@ static void exynos4_pm_prepare(void)
}
-static int exynos4_pm_add(struct sys_device *sysdev)
+static int exynos4_pm_add(struct device *dev)
{
pm_cpu_prep = exynos4_pm_prepare;
pm_cpu_sleep = exynos4_cpu_suspend;
@@ -213,27 +214,6 @@ static int exynos4_pm_add(struct sys_device *sysdev)
return 0;
}
-/* This function copy from linux/arch/arm/kernel/smp_scu.c */
-
-void exynos4_scu_enable(void __iomem *scu_base)
-{
- u32 scu_ctrl;
-
- scu_ctrl = __raw_readl(scu_base);
- /* already enabled? */
- if (scu_ctrl & 1)
- return;
-
- scu_ctrl |= 1;
- __raw_writel(scu_ctrl, scu_base);
-
- /*
- * Ensure that the data accessed by CPU0 before the SCU was
- * initialised is visible to the other CPUs.
- */
- flush_cache_all();
-}
-
static unsigned long pll_base_rate;
static void exynos4_restore_pll(void)
@@ -301,8 +281,10 @@ static void exynos4_restore_pll(void)
} while (epll_wait || vpll_wait);
}
-static struct sysdev_driver exynos4_pm_driver = {
- .add = exynos4_pm_add,
+static struct subsys_interface exynos4_pm_interface = {
+ .name = "exynos4_pm",
+ .subsys = &exynos4_subsys,
+ .add_dev = exynos4_pm_add,
};
static __init int exynos4_pm_drvinit(void)
@@ -325,7 +307,7 @@ static __init int exynos4_pm_drvinit(void)
clk_put(pll_base);
}
- return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver);
+ return subsys_interface_register(&exynos4_pm_interface);
}
arch_initcall(exynos4_pm_drvinit);
@@ -402,7 +384,7 @@ static void exynos4_pm_resume(void)
exynos4_restore_pll();
- exynos4_scu_enable(S5P_VA_SCU);
+ scu_enable(S5P_VA_SCU);
#ifdef CONFIG_CACHE_L2X0
s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));