With the commit 4fcba5d556b4 ("regulator: implement basic reference counter") the return value of regulator_set_enable may be EALREADY or EBUSY for fixed/gpio regulators.
Change to use the more relaxed regulator_set_enable_if_allowed to continue if regulator already was enabled or disabled.
Signed-off-by: Jonas Karlman jonas@kwiboo.se --- drivers/mmc/mmc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 31cfda288587..089a0442568c 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -2775,9 +2775,10 @@ static int mmc_power_on(struct mmc *mmc) { #if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR) if (mmc->vmmc_supply) { - int ret = regulator_set_enable(mmc->vmmc_supply, true); + int ret = regulator_set_enable_if_allowed(mmc->vmmc_supply, + true);
- if (ret && ret != -EACCES) { + if (ret && ret != -ENOSYS) { printf("Error enabling VMMC supply : %d\n", ret); return ret; } @@ -2791,9 +2792,10 @@ static int mmc_power_off(struct mmc *mmc) mmc_set_clock(mmc, 0, MMC_CLK_DISABLE); #if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR) if (mmc->vmmc_supply) { - int ret = regulator_set_enable(mmc->vmmc_supply, false); + int ret = regulator_set_enable_if_allowed(mmc->vmmc_supply, + false);
- if (ret && ret != -EACCES) { + if (ret && ret != -ENOSYS) { pr_debug("Error disabling VMMC supply : %d\n", ret); return ret; }