diff options
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index f2d185cf8..c57eb32dc 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1259,6 +1259,16 @@ static int mmc_select_hs400es(struct mmc_card *card) goto out_err; } + if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_2V) + err = __mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_120); + + if (err && card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_8V) + err = __mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180); + + /* If fails try again during next card power cycle */ + if (err) + goto out_err; + err = mmc_select_bus_width(card); if (err < 0) goto out_err; |