Messages in this thread | | | Date | Sun, 17 Oct 2021 11:37:30 +0200 | From | Greg KH <> | Subject | Re: [PATCH v2] staging: vc04_services: replace msleep() by usleep_range() |
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On Sun, Oct 17, 2021 at 02:59:00PM +0530, Kushal-kothari wrote: > Fixed the warning:-msleep < 20ms can sleep for up to 20ms by replacing > msleep(unsigned long msecs) by usleep_range(unsigned long min, unsigned long max)
No need to put the parameters in a function call.
> in usecs as msleep(1ms~20ms) can sleep for upto 20 ms. > > Signed-off-by: Kushal-kothari <kushalkothari285@gmail.com>
We need a "Legal" name here, is that how you sign documents? Sorry, I have to ask.
> --- > > Changes from v1: Reword both the subject and the log message. > > 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 6fbafdfe340f..80a7898c5331 100644 > --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c > @@ -857,7 +857,7 @@ vchiq_bulk_transmit(unsigned int handle, const void *data, unsigned int size, > if (status != VCHIQ_RETRY) > break; > > - msleep(1); > + usleep_range(1000, 2000);
You can not just randomly pick a range value here without lots of testing and knowing that the hardware really can support this.
Have you done this here?
thanks,
greg k-h
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