Commit 92ddd959 authored Aug 08, 2017 by Haibo Chen Committed by Ulf Hansson Aug 08, 2017

mmc: mmc: correct the logic for setting HS400ES signal voltage



Change the default err value to -EINVAL, make sure the card only
has type EXT_CSD_CARD_TYPE_HS400_1_8V also do the signal voltage
setting when select hs400es mode.

Fixes: commit 1720d354 ("mmc: core: switch to 1V8 or 1V2 for hs400es mode")
Cc: <stable@vger.kernel.org>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent ac2b2115

drivers/mmc/core/mmc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1289,7 +1289,7 @@ out_err:
		static int mmc_select_hs400es(struct mmc_card *card)
		{
		struct mmc_host *host = card->host;
		int err = 0;
		int err = -EINVAL;
		u8 val;

		if (!(host->caps & MMC_CAP_8_BIT_DATA)) {

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