Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 13/41] mmc: mmc: correct the logic for setting HS400ES signal voltage | Date | Mon, 14 Aug 2017 18:18:23 -0700 |
| |
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Haibo Chen <haibo.chen@nxp.com>
commit 92ddd95919466de5d34f3cb43635da9a7f9ab814 upstream.
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 1720d3545b77 ("mmc: core: switch to 1V8 or 1V2 for hs400es mode") 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/mmc/core/mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1258,7 +1258,7 @@ 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)) {
| |