A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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mmc: mmc: correct the logic for setting HS400ES signal voltage

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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 1720d3545b ("mmc: core: switch to 1V8 or 1V2 for hs400es mode")
Cc: <[email protected]>
Signed-off-by: Haibo Chen <[email protected]>
Reviewed-by: Shawn Lin <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
This commit is contained in:
Haibo Chen 2017-08-08 18:54:01 +08:00 • committed by Ulf Hansson
commit 92ddd95919
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/core/mmc.c
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@ -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)) {