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From: Adrian Hunter <adrian.hunter@intel.com>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
	Tomas Winkler <tomas.winkler@intel.com>
Subject: Re: [PATCH V3 1/3] mmc: core: Add a facility to "pause" re-tuning
Date: Wed, 18 May 2016 09:44:32 +0300	[thread overview]
Message-ID: <573C0F50.7020608@intel.com> (raw)
In-Reply-To: <CAPDyKFpjoWHXp=H0R6pPM9pvF5BuP49MhwVzBQgr+01SXGGYQg@mail.gmail.com>

On 17/05/16 18:06, Ulf Hansson wrote:
> On 16 May 2016 at 14:35, Adrian Hunter <adrian.hunter@intel.com> wrote:
>> Re-tuning is not possible when switched to the RPMB
>> partition.  However re-tuning should not be needed
>> if re-tuning is done immediately before switching,
>> a small set of operations is done, and then we
>> immediately switch back to the main partition.
>>
>> To ensure that re-tuning can't be done for a short
>> while, add a facility to "pause" re-tuning.
>>
>> The existing facility to hold / release re-tuning
>> is used but it also flags re-tuning as needed to cause
>> re-tuning before the next command (which will be the
>> switch to RPMB).
>>
>> We also need to "unpause" in the recovery path, which
>> is catered for by adding it to mmc_retune_disable().
>>
>> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
>> ---
> 
> Thanks, re-applied the series with this v3 version of patch 1/3.
> 
> If the tests from kernelci and in linux-next works out okay, I intend
> to send this as fixes for 4.7 rc1.

Thank you!


  reply	other threads:[~2016-05-18  6:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-04 11:38 [PATCH V2 0/3] mmc: block: Fix tuning (by avoiding it) for RPMB Adrian Hunter
2016-05-04 11:38 ` [PATCH V2 1/3] mmc: core: Add a facility to "pause" re-tuning Adrian Hunter
2016-05-10 12:24   ` Ulf Hansson
2016-05-10 13:03     ` Adrian Hunter
2016-05-11  6:48       ` Ulf Hansson
2016-05-11  9:00         ` Adrian Hunter
2016-05-12  6:14           ` Adrian Hunter
2016-05-12 13:20             ` Ulf Hansson
2016-05-12 13:19               ` Adrian Hunter
2016-05-16 12:35                 ` [PATCH V3 " Adrian Hunter
2016-05-17 15:06                   ` Ulf Hansson
2016-05-18  6:44                     ` Adrian Hunter [this message]
2016-05-04 11:38 ` [PATCH V2 2/3] mmc: block: Always switch back to main area after RPMB access Adrian Hunter
2016-05-04 11:38 ` [PATCH V2 3/3] mmc: block: Pause re-tuning while switched to the RPMB partition Adrian Hunter
2016-05-04 11:54 ` [PATCH V2 0/3] mmc: block: Fix tuning (by avoiding it) for RPMB Winkler, Tomas
2016-05-10 10:28 ` Ulf Hansson

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