usleep_range() should be used instead of sleep() when sleepings range from 10 us to 20 ms, [1]. Reported by checkpatch.pl [1] Documentation/timers/timers-howto.txt --- drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index b25369a13452..0214ae37e01f 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -824,7 +824,7 @@ vchiq_bulk_transmit(unsigned int handle, const void *data, unsigned int size, if (status != VCHIQ_RETRY) break; - msleep(1); + usleep_range(1000, 1100); } return status; @@ -861,7 +861,7 @@ enum vchiq_status vchiq_bulk_receive(unsigned int handle, void *data, if (status != VCHIQ_RETRY) break; - msleep(1); + usleep_range(1000, 1100); } return status; -- 2.33.0