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Groups > linux.kernel > #1314241
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| 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 | Thu, 21 Jan 2016 16:00:01 +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> |
| X-Original-To | Krzysztof Kozlowski <k.kozlowski@samsung.com>, linux-kernel@vger.kernel.org |
| User-Agent | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
| MIME-Version | 1.0 |
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| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 40 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Kukjin Kim <kgene@kernel.org>, rtc-linux@googlegroups.com, Chanwoo Choi <cw00.choi@samsung.com>, Alexandre Belloni <alexandre.belloni@free-electrons.com>, Laxman Dewangan <ldewangan@nvidia.com>, linux-samsung-soc@vger.kernel.org |
| X-Original-Date | Thu, 21 Jan 2016 11:52:26 -0300 |
| X-Original-Message-ID | <56A0F0AA.6080202@osg.samsung.com> |
| X-Original-References | <1453310088-29985-1-git-send-email-javier@osg.samsung.com> <1453310088-29985-3-git-send-email-javier@osg.samsung.com> <56A02845.3010008@samsung.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1314241 |
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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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