From mboxrd@z Thu Jan  1 00:00:00 1970
From: Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH V3 00/15] mmc: host: Add facility to support re-tuning
Date: Mon, 16 Mar 2015 16:00:43 +0200
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To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>, Aaron Lu <aaron.lu@intel.com>, Philip Rakity <prakity@nvidia.com>, Girish K S <girish.shivananjappa@linaro.org>, Al Cooper <alcooperx@gmail.com>, Arend van Spriel <arend@broadcom.com>

On 10/03/15 14:42, Adrian Hunter wrote:
> Hi
> 
> Here is V3 of some patches to move re-tuning support
> out of sdhci and into the core, and add support for HS400
> re-tuning.
> 
> Currently sdhci does re-tuning transparently by
> calling sdhci_execute_tuning() from its ->request()
> function.
> 
> The problem with HS400 re-tuning is that it must be
> done in HS200 mode. That means using switch commands
> and making ios changes. That means it potentially
> conflicts with other command sequences. The new
> re-tuning support accomodates that.

Ulf, ping?