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mmc: omap_hsmmc: use devm_regulator API 

Use devm_regulator API, while at it use
devm_regulator_get_optional for optional vmmc_aux supply

Signed-off-by: Balaji T K <balajitk@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Balaji T K 2014-02-19 20:26:40 +05:30 committed by Chris Ball
parent c9ae64db67
commit f2ddc1dab6
1 changed files with 2 additions and 4 deletions
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6
drivers/mmc/host/omap_hsmmc.c
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@ -321,7 +321,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
struct regulator *reg;
int ocr_value = 0;
reg = regulator_get(host->dev, "vmmc");
reg = devm_regulator_get(host->dev, "vmmc");
if (IS_ERR(reg)) {
dev_err(host->dev, "vmmc regulator missing\n");
return PTR_ERR(reg);
@ -341,7 +341,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
}
/* Allow an aux regulator */
reg = regulator_get(host->dev, "vmmc_aux");
reg = devm_regulator_get_optional(host->dev, "vmmc_aux");
host->vcc_aux = IS_ERR(reg) ? NULL : reg;
/* For eMMC do not power off when not in sleep state */
@ -371,8 +371,6 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
static void omap_hsmmc_reg_put(struct omap_hsmmc_host *host)
{
regulator_put(host->vcc);
regulator_put(host->vcc_aux);
mmc_slot(host).set_power = NULL;
}