From c83da2ebc01cffbf5659d1a30960f9fec943c806 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Wed, 13 Jun 2018 08:02:55 +0200 Subject: [PATCH] mmc: tmio: Preinitialize regulator to 3.3V Preinitialize the SD card signals regulator to 3.3V, which is the default post-reset setting, to be sure the regulator is set to a valid value. Signed-off-by: Marek Vasut Cc: Masahiro Yamada --- drivers/mmc/tmio-common.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c index 2a73829..0eca83a 100644 --- a/drivers/mmc/tmio-common.c +++ b/drivers/mmc/tmio-common.c @@ -720,6 +720,8 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks) #ifdef CONFIG_DM_REGULATOR device_get_supply_regulator(dev, "vqmmc-supply", &priv->vqmmc_dev); + if (priv->vqmmc_dev) + regulator_set_value(priv->vqmmc_dev, 3300000); #endif ret = mmc_of_parse(dev, &plat->cfg); -- 2.7.4