From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Thu, 21 Jan 2016 13:26:29 +0800 Subject: [PATCH RFC 02/15] mmc: sunxi: Return error on mmc_regulator_set_ocr() fail in .set_ios op In-Reply-To: <1453354002-28366-1-git-send-email-wens@csie.org> References: <1453354002-28366-1-git-send-email-wens@csie.org> Message-ID: <1453354002-28366-3-git-send-email-wens@csie.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Let .set_ios() fail if mmc_regulator_set_ocr() fails to enable and set a proper voltage for vmmc. Signed-off-by: Chen-Yu Tsai --- drivers/mmc/host/sunxi-mmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index cce5ca540857..790f01662b4e 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -711,7 +711,10 @@ static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) break; case MMC_POWER_UP: - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); + host->ferror = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, + ios->vdd); + if (host->ferror) + return; host->ferror = sunxi_mmc_init_host(mmc); if (host->ferror) -- 2.7.0.rc3