From 1eae9639aac0f8de4d284f567ec722a822b52513 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Tue, 1 Nov 2016 14:27:38 -0300 Subject: Linux-libre 4.8.6-gnu --- drivers/mmc/core/mmc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/mmc/core/mmc.c') 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; -- cgit v1.2.3