Messages in this thread | | | Date | Thu, 26 Mar 2015 10:51:17 +0100 | From | Pavel Machek <> | Subject | Re: [RFC PATCH 0/4] mmc: sdhci: Support maximum DMA latency request via PM QoS |
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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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