diff options
author | Kishon Vijay Abraham I <kishon@ti.com> | 2017-06-07 14:06:10 +0530 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-06-20 10:30:40 +0200 |
commit | 86d79da0aadde60e4f84fe8cf7a75d4db2a79968 (patch) | |
tree | ed5e48eea97647a1059e2d35e8c627b2849e6364 /drivers/mmc/host/omap_hsmmc.c | |
parent | ab723a6d9e22f5c1d82e34159c48c24febe79f77 (diff) | |
download | linux-86d79da0aadde60e4f84fe8cf7a75d4db2a79968.tar.bz2 |
mmc: host: omap_hsmmc: Do not initialize MMC regulators to NULL on error
Do not initialize MMC regulators to NULL on error in omap_hsmmc driver
similar to what is done in mmc_regulator_get_supply(). This is in
preparation for using mmc_regulator_get_supply() to get MMC
regulators.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
-rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 8c39dccacf39..de82ac0a87e2 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -250,14 +250,14 @@ static int omap_hsmmc_enable_supply(struct mmc_host *mmc) struct omap_hsmmc_host *host = mmc_priv(mmc); struct mmc_ios *ios = &mmc->ios; - if (mmc->supply.vmmc) { + if (!IS_ERR(mmc->supply.vmmc)) { ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); if (ret) return ret; } /* Enable interface voltage rail, if needed */ - if (mmc->supply.vqmmc && !host->vqmmc_enabled) { + if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { ret = regulator_enable(mmc->supply.vqmmc); if (ret) { dev_err(mmc_dev(mmc), "vmmc_aux reg enable failed\n"); @@ -269,7 +269,7 @@ static int omap_hsmmc_enable_supply(struct mmc_host *mmc) return 0; err_vqmmc: - if (mmc->supply.vmmc) + if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); return ret; @@ -281,7 +281,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc) int status; struct omap_hsmmc_host *host = mmc_priv(mmc); - if (mmc->supply.vqmmc && host->vqmmc_enabled) { + if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { ret = regulator_disable(mmc->supply.vqmmc); if (ret) { dev_err(mmc_dev(mmc), "vmmc_aux reg disable failed\n"); @@ -290,7 +290,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc) host->vqmmc_enabled = 0; } - if (mmc->supply.vmmc) { + if (!IS_ERR(mmc->supply.vmmc)) { ret = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); if (ret) goto err_set_ocr; @@ -299,7 +299,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc) return 0; err_set_ocr: - if (mmc->supply.vqmmc) { + if (!IS_ERR(mmc->supply.vqmmc)) { status = regulator_enable(mmc->supply.vqmmc); if (status) dev_err(mmc_dev(mmc), "vmmc_aux re-enable failed\n"); @@ -313,7 +313,7 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on, { int ret; - if (!host->pbias) + if (IS_ERR(host->pbias)) return 0; if (power_on) { @@ -363,7 +363,7 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, * If we don't see a Vcc regulator, assume it's a fixed * voltage always-on regulator. */ - if (!mmc->supply.vmmc) + if (IS_ERR(mmc->supply.vmmc)) return 0; if (mmc_pdata(host)->before_set_reg) @@ -415,7 +415,7 @@ static int omap_hsmmc_disable_boot_regulator(struct regulator *reg) { int ret; - if (!reg) + if (IS_ERR(reg)) return 0; if (regulator_is_enabled(reg)) { @@ -480,7 +480,6 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) return ret; dev_dbg(host->dev, "unable to get vmmc regulator %ld\n", PTR_ERR(mmc->supply.vmmc)); - mmc->supply.vmmc = NULL; } else { ocr_value = mmc_regulator_get_ocrmask(mmc->supply.vmmc); if (ocr_value > 0) @@ -495,7 +494,6 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) return ret; dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n", PTR_ERR(mmc->supply.vqmmc)); - mmc->supply.vqmmc = NULL; } host->pbias = devm_regulator_get_optional(host->dev, "pbias"); @@ -508,7 +506,6 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) } dev_dbg(host->dev, "unable to get pbias regulator %ld\n", PTR_ERR(host->pbias)); - host->pbias = NULL; } /* For eMMC do not power off when not in sleep state */ |