mmc: sunxi: Return error on mmc_regulator_set_ocr() fail in .set_ios op
Let .set_ios() fail if mmc_regulator_set_ocr() fails to enable and set a proper voltage for vmmc. Signed-off-by: NChen-Yu Tsai <wens@csie.org> Acked-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
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