On 22.01.2016 05:23, 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 > minimum delay (i.e: in the range of usecs instead of msecs). > > Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> > Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > > --- > > Changes in v2: > - Add Krzysztof Kozlowski's Reviewed-by tag to patch #3. > - Fix typo error in changelog. Suggested by Krzysztof Kozlowski. > > drivers/rtc/rtc-max77686.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > Tested on Trats2 board with max77686: Tested-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html