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SubjectRe: [PATCH v2 4/4] mmc: sdhci-of-arasan: add sdhci_arasan_voltage_switch for arasan,5.1
Hi,

On Thu, Sep 22, 2016 at 5:03 PM, Shawn Lin <shawn.lin@rock-chips.com> wrote:
> Per the vendor's requirement, we shouldn't do any setting for
> 1.8V Signaling Enable, otherwise the interaction/behaviour between
> phy and controller will be undefined. Mostly it works fine if we do
> that, but we still see failures. Anyway, let's fix it to meet the
> vendor's requirement. The error log looks like:
>
> [ 93.405085] mmc1: unexpected status 0x800900 after switch
> [ 93.408474] mmc1: switch to bus width 1 failed
> [ 93.408482] mmc1: mmc_select_hs200 failed, error -110
> [ 93.408492] mmc1: error -110 during resume (card was removed?)
> [ 93.408705] PM: resume of devices complete after 213.453 msecs
>
> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
> ---
>
> Changes in v2: None
>
> drivers/mmc/host/sdhci-of-arasan.c | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)

Seems OK to me.

Reviewed-by: Douglas Anderson <dianders@chromium.org>

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