On 13/12/2017 at 21:56:04 +0800, Jia-Ju Bai wrote:

The driver may sleep under a spinlock.
The function call path is:
rtc7301_set_time (acquire the spinlock)
  usleep_range --> may sleep

To fix it, usleep_range is replaced with udelay.

This bug is found by my static analysis tool(DSAC) and checked by my code review.

Signed-off-by: Jia-Ju Bai <redacted>
---
 drivers/rtc/rtc-r7301.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com