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SubjectRe: [RFC PATCH 0/4] mmc: sdhci: Support maximum DMA latency request via PM QoS
On Thu 2015-03-26 10:29:06, Adrian Hunter wrote:
> On 25/03/15 21:43, Pavel Machek wrote:
> > Hi!
> >
> >> Here are some patches to address an issue with SDHCI
> >> in Intel Baytrail. Intel Baytrail has been observed
> >> sometimes to hang if host controllers are using DMA
> >> while deep C-states are used. Workaround that by
> >
> > I wonder if there is more information on this one? I see your address
> > is "@intel". For example which C states are affected, and if there's
>
> The problem starts at C6 - I will add that to the commit message.

Better find a place for a comment in code, too...

Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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