Messages in this thread Patch in this message | | | From | Kishon Vijay Abraham I <> | Subject | [PATCH 13/17] mmc: host: omap_hsmmc: enable/disable vmmc_aux regulator based on prior state | Date | Wed, 29 Jul 2015 16:39:43 +0530 |
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enable vmmc_aux regulator only if it is in disabled state and disable vmmc_aux regulator only if it is in enabled state.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> --- drivers/mmc/host/omap_hsmmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 58bda42..001f8a0 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -258,7 +258,7 @@ static int omap_hsmmc_enable_supply(struct mmc_host *mmc, int vdd) } /* Enable interface voltage rail, if needed */ - if (mmc->supply.vqmmc) { + if (mmc->supply.vqmmc && !regulator_is_enabled(mmc->supply.vqmmc)) { ret = regulator_enable(mmc->supply.vqmmc); if (ret) { dev_err(mmc_dev(mmc), "vmmc_aux reg enable failed\n"); @@ -280,7 +280,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc) int ret; int status; - if (mmc->supply.vqmmc) { + if (mmc->supply.vqmmc && regulator_is_enabled(mmc->supply.vqmmc)) { ret = regulator_disable(mmc->supply.vqmmc); if (ret) { dev_err(mmc_dev(mmc), "vmmc_aux reg disable failed\n"); -- 1.7.9.5
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