OMAP3: PM: CPUidle: support retention and off-mode C-states
This patch adds support and enables state C4(MPU RET + CORE RET)
and MPU OFF states (C3 and C5.)
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 0c49db8..69c47ed 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -76,8 +76,6 @@
static struct powerdomain *core_pwrdm, *per_pwrdm;
static struct powerdomain *cam_pwrdm;
-static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
-
static inline void omap3_per_save_context(void)
{
omap_gpio_save_context();
@@ -503,7 +501,7 @@
return 0;
}
-static int omap3_can_sleep(void)
+int omap3_can_sleep(void)
{
if (!sleep_while_idle)
return 0;
@@ -517,7 +515,7 @@
/* This sets pwrdm state (other than mpu & core. Currently only ON &
* RET are supported. Function is assuming that clkdm doesn't have
* hw_sup mode enabled. */
-static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
+int set_pwrdm_state(struct powerdomain *pwrdm, u32 state)
{
u32 cur_state;
int sleep_switch = 0;