Messages in this thread | | | Subject | Re: [PATCH 1/8] staging: vchiq_arm: replace sleep() with usleep_range() | From | Phil Elwell <> | Date | Wed, 15 Sep 2021 09:06:09 +0100 |
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Hi Stefan,
On 15/09/2021 06:21, Stefan Wahren wrote: > Hi, > > Am 14.09.21 um 23:35 schrieb Gaston Gonzalez: >> 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); > > from my understanding the usage of usleep_range() and hrtimers isn't > necessary here. The intention is to sleep a little bit and not "exactly" > 1 ms. > > @Phil Elwell: what is your opinion?
Exactly - the aim is just to stop it spinning.
Phil
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