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Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/pm-imx5.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
index 0624fb8edffb..98052fc852c7 100644
--- a/arch/arm/mach-mx5/pm-imx5.c
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -20,9 +20,13 @@
static struct clk *gpc_dvfs_clk;
+static int mx5_suspend_prepare(void)
+{
+ return clk_enable(gpc_dvfs_clk);
+}
+
static int mx5_suspend_enter(suspend_state_t state)
{
- clk_enable(gpc_dvfs_clk);
switch (state) {
case PM_SUSPEND_MEM:
mx5_cpu_lp_set(STOP_POWER_OFF);
@@ -43,11 +47,14 @@ static int mx5_suspend_enter(suspend_state_t state)
__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
}
cpu_do_idle();
- clk_disable(gpc_dvfs_clk);
-
return 0;
}
+static void mx5_suspend_finish(void)
+{
+ clk_disable(gpc_dvfs_clk);
+}
+
static int mx5_pm_valid(suspend_state_t state)
{
return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
@@ -55,7 +62,9 @@ static int mx5_pm_valid(suspend_state_t state)
static const struct platform_suspend_ops mx5_suspend_ops = {
.valid = mx5_pm_valid,
+ .prepare = mx5_suspend_prepare,
.enter = mx5_suspend_enter,
+ .finish = mx5_suspend_finish,
};
static int __init mx5_pm_init(void)