omap_rtc_power_off() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
---
drivers/rtc/rtc-omap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 39086398833e..ef3d09525d0f 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -476,7 +476,7 @@ static void omap_rtc_power_off(void)
* power off the system. Add a 500 ms margin for external latencies
* (e.g. debounce circuits).
*/
- mdelay(2500);
+ msleep(2500);
}
static const struct rtc_class_ops omap_rtc_ops = {
--
2.17.0
