Use regulator_set_enable_if_allowed() api instead of regulator_set_enable() while enabling io regulators. This way the driver doesn't see an error when disabling an always-on regulator and when enabling is not supported.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- drivers/mmc/omap_hsmmc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 5cb97eb02a..efbe75baa4 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -470,21 +470,21 @@ static int omap_hsmmc_set_io_regulator(struct mmc *mmc, int mV) return 0;
/* Disable PBIAS */ - ret = regulator_set_enable(priv->pbias_supply, false); - if (ret && ret != -ENOSYS) + ret = regulator_set_enable_if_allowed(priv->pbias_supply, false); + if (ret) return ret;
/* Turn off IO voltage */ - ret = regulator_set_enable(mmc->vqmmc_supply, false); - if (ret && ret != -ENOSYS) + ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, false); + if (ret) return ret; /* Program a new IO voltage value */ ret = regulator_set_value(mmc->vqmmc_supply, uV); if (ret) return ret; /* Turn on IO voltage */ - ret = regulator_set_enable(mmc->vqmmc_supply, true); - if (ret && ret != -ENOSYS) + ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true); + if (ret) return ret;
/* Program PBIAS voltage*/ @@ -492,8 +492,8 @@ static int omap_hsmmc_set_io_regulator(struct mmc *mmc, int mV) if (ret && ret != -ENOSYS) return ret; /* Enable PBIAS */ - ret = regulator_set_enable(priv->pbias_supply, true); - if (ret && ret != -ENOSYS) + ret = regulator_set_enable_if_allowed(priv->pbias_supply, true); + if (ret) return ret;
return 0;