Re: [PATCH v1] Revert "mmc: sdhci-tegra: drop ->get_ro() implementation"

From: Adrian Hunter
Date: Mon Aug 12 2019 - 05:38:17 EST

On 9/08/19 1:24 AM, Dmitry Osipenko wrote:
> The WRITE_PROTECT bit is always in a "protected mode" on Tegra and
> WP-GPIO state need to be used instead. In a case of the GPIO absence,
> write-enable should be assumed. External SD is writable once again as
> a result of this patch because the offending commit changed behaviour for
> the case of a missing WP-GPIO to fall back to WRITE_PROTECT bit-checking,
> which is incorrect for Tegra.
> Cc: stable@xxxxxxxxxxxxxxx # v5.1+
> Fixes: e8391453e27f ("mmc: sdhci-tegra: drop ->get_ro() implementation")
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>