This patch fixes the issue reported by checkpatch:
CHECK: usleep_range is preferred over udelay;
see Documentation/timers/timers-howto.txt
It's save to sleep here instead of using busy waiting,
because we are not in an atomic context.
Signed-off-by: Lukas Schneider <lukas.s.schneider@xxxxxx>
Signed-off-by: Jannik Moritz <jannik.moritz@xxxxxx>
Cc: <linux-kernel@xxxxxxxxxxxx>
---
drivers/staging/rts5208/rtsx_chip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index 76c35f3c0208..8cddfe542d56 100644
--- a/drivers/staging/rts5208/rtsx_chip.c
+++ b/drivers/staging/rts5208/rtsx_chip.c
@@ -1803,7 +1803,7 @@ void rtsx_exit_ss(struct rtsx_chip *chip)
if (chip->power_down_in_ss) {
rtsx_force_power_on(chip, SSC_PDCTL | OC_PDCTL);
- udelay(1000);
+ usleep_range(1000, 1010);
}
if (RTSX_TST_DELINK(chip)) {
--
2.19.1
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