Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-28 07:31:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

mmc: dw_mmc: Keep vqmmc-supply enable count in balance

Browse source 
With the commit 4fcba5d556 ("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>
This commit is contained in:
Jonas Karlman 2023-07-19 21:21:00 +00:00 committed by Tom Rini
parent 9a2e9cc659
commit 01b2917a19
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/mmc/dw_mmc.c
View file

@ -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