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Date: Thu, 26 Mar 2015 10:29:06 +0200
From: Adrian Hunter <adrian.hunter@intel.com>
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To: Pavel Machek <pavel@ucw.cz>
CC: Ulf Hansson <ulf.hansson@linaro.org>,
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        Tomeu Vizoso <tomeu.vizoso@collabora.com>, linux-pm@vger.kernel.org,
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Subject: Re: [RFC PATCH 0/4] mmc: sdhci: Support maximum DMA latency request
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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.

> maybe Intel errata number to quote?

I wasn't able to find an errata number.