OMAP3: PM: Add prepare idle and resume idle call for uart4

Add prepare idle and resume idle call for uart4 used by 3630.

Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 043faaa3f3dc..60baffa27cb3 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -388,6 +388,7 @@ void omap_sram_idle(void)
         /* PER */
         if (per_next_state < PWRDM_POWER_ON) {
                 omap_uart_prepare_idle(2);
+                omap_uart_prepare_idle(3);
                 omap2_gpio_prepare_for_idle(per_next_state);
                 if (per_next_state == PWRDM_POWER_OFF)
                                 omap3_per_save_context();
@@ -459,6 +460,7 @@ void omap_sram_idle(void)
                 if (per_prev_state == PWRDM_POWER_OFF)
                         omap3_per_restore_context();
                 omap_uart_resume_idle(2);
+                omap_uart_resume_idle(3);
         }
 
         /* Disable IO-PAD and IO-CHAIN wakeup */