With the commit 4fcba5d556b4 ("regulator: implement basic reference counter"), keeping regulator enablement in balance become more important.
Disable vqmmc-supply before signal voltage is changed to keep regulator enable counter in balance.
Signed-off-by: Jonas Karlman jonas@kwiboo.se --- drivers/mmc/dw_mmc.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 5085a3b491da..400066fa99a2 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -509,6 +509,10 @@ static int dwmci_set_ios(struct mmc *mmc) if (mmc->vqmmc_supply) { int ret;
+ ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, false); + if (ret) + return ret; + if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) regulator_set_value(mmc->vqmmc_supply, 1800000); else