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Groups > linux.kernel > #1314241
| From | Javier Martinez Canillas <javier@osg.samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep() |
| Date | 2016-01-21 16:00 +0100 |
| Message-ID | <qToSl-6CC-11@gated-at.bofh.it> (permalink) |
| References | <qT4Ah-1fm-7@gated-at.bofh.it> <qT4Ah-1fm-5@gated-at.bofh.it> <qTbs7-5IQ-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello Krzysztof, On 01/20/2016 09:37 PM, Krzysztof Kozlowski wrote: > On 21.01.2016 02:14, Javier Martinez Canillas wrote: >> Documentation/timers/timers-howto.txt suggest to use usleep_range() >> instead of msleep() for small msec (1ms - 20ms) since msleep() will >> often sleep for 20ms for any value in that range. >> >> This is fine in this case since 16ms is the _minimum_ delay required >> by max77686 for an RTC update but by using usleep_range() instead of >> msleep(), the driver can support other RTC IP blocks with a shorter >> minium delay (i.e: in the range of usecs insted of msecs). > > s/minium/minimum/ > s/insted/instead/ > Fixed. >> >> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> >> --- >> >> drivers/rtc/rtc-max77686.c | 5 +++-- >> 1 file changed, 3 insertions(+), 2 deletions(-) > > Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> > Thanks a lot for your review. > Best regards, > Krzysztof > Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America
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[PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep() Javier Martinez Canillas <javier@osg.samsung.com> - 2016-01-20 18:20 +0100
Re: [PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep() Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-01-21 01:40 +0100
Re: [PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep() Javier Martinez Canillas <javier@osg.samsung.com> - 2016-01-21 16:00 +0100
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