Re: [PATCH v2] mmc: core: Do not set mmc voltage to 1.8V when 'no-1-8-v' is present

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On Sat, Jun 13, 2015 at 5:24 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote:
> From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
>
> Since commit 312449efd16bb06 ("mmc: core: Fix sequence for I/O voltage
> in DDR mode for eMMC") the mmc voltage is set to 1.8V inside
> mmc_select_hs_ddr(), even if 'no-1-8-v' property is present.
>
> This causes the following error on a mx6sl board with the 'no-1-8-v'
> property passed in the device tree:
>
> mmc0: power class selection to bus width 8 ddr 4 failed
> mmc0: error -110 whilst initialising MMC card
>
> Fix this problem by only setting the mmc voltage to 1.8V if the
> 'no-1-8-v' property is absent.
>
> Reported-by: Kevin Lemoi <kevin.lemoi@xxxxxxxxxx>
> Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>

Acked-by: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750
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