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>

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 0c49db8afa99..69c47edcc0f2 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -76,8 +76,6 @@ static struct powerdomain *mpu_pwrdm, *neon_pwrdm;
 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 @@ static int omap3_fclks_active(void)
         return 0;
 }
 
-static int omap3_can_sleep(void)
+int omap3_can_sleep(void)
 {
         if (!sleep_while_idle)
                 return 0;
@@ -517,7 +515,7 @@ static int omap3_can_sleep(void)
 /* 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;