soc: ti: pm33xx: Remove set but unused variable 'ret'

Fixes the following W=1 kernel build warning(s):

 drivers/soc/ti/pm33xx.c: In function ‘am33xx_do_sram_idle’:
 drivers/soc/ti/pm33xx.c:138:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

Cc: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>

diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c
index d2f5e7001a93ce69e5540d7954757e1d62640512..9c0670ab6be6f0794fcd6427bb91f990eb31bb2b 100644 (file)
--- a/drivers/soc/ti/pm33xx.c
+++ b/drivers/soc/ti/pm33xx.c
@@ -135,13 +135,11 @@ static int am33xx_push_sram_idle(void)
 
 static int am33xx_do_sram_idle(u32 wfi_flags)
 {
-       int ret = 0;
-
        if (!m3_ipc || !pm_ops)
                return 0;
 
        if (wfi_flags & WFI_FLAG_WAKE_M3)
-               ret = m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_IDLE);
+               m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_IDLE);
 
        return pm_ops->cpu_suspend(am33xx_do_wfi_sram, wfi_flags);
 }