Re: [PATCH] mmc: sdhci: Set SDHCI_POWER_ON with external vmmc
From: Alexandre Courbot
Date: Tue Feb 10 2015 - 03:53:56 EST
On Wed, Jan 14, 2015 at 5:53 PM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> + linux-mmc
> On 14 January 2015 at 07:24, Tim Kryger <tim.kryger@xxxxxxxxx> wrote:
>> Host controllers lacking the required internal vmmc regulator may still
>> follow the spec with regard to the LSB of SDHCI_POWER_CONTROL. Set the
>> SDHCI_POWER_ON bit when vmmc is enabled to encourage the controller to
>> to drive CMD, DAT, SDCLK.
>> This fixes a regression observed on some Qualcomm and Nvidia boards
>> caused by 5222161 mmc: sdhci: Improve external VDD regulator support.
>> Signed-off-by: Tim Kryger <tim.kryger@xxxxxxxxx>
>> Tested-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
> Thanks! Applied for fixes.
> I noticed this wasn't posted to linux-mmc. I am anyway picking it up
> as this change has already been discussed and tested, see:
The party is probably over for this patch, but FWIW:
Tested-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
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