Thread (28 messages) 28 messages, 3 authors, 2016-01-21

[rtc-linux] Re: [PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep()

From: Javier Martinez Canillas <hidden>
Date: 2016-01-21 14:52:33
Also in: linux-samsung-soc, lkml

Hello Krzysztof,

On 01/20/2016 09:37 PM, Krzysztof Kozlowski wrote:
On 21.01.2016 02:14, Javier Martinez Canillas wrote:
quoted
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.
quoted
Signed-off-by: Javier Martinez Canillas <redacted>
---

  drivers/rtc/rtc-max77686.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)
Reviewed-by: Krzysztof Kozlowski <redacted>
Thanks a lot for your review.
  
Best regards,
Krzysztof
Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America

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