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ARM: 7714/1: mmc: mmci: Ensure return value of regulator_enable() is checked 

This patch suppresses the warning below:

drivers/mmc/host/mmci.c: In function ‘mmci_set_ios’:
drivers/mmc/host/mmci.c:1165:20: warning: ignoring return value of
        ‘regulator_enable’, declared with attribute warn_unused_result
        [-Wunused-result]

Cc: Chris Ball <cjb@laptop.org>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Lee Jones 2013-05-03 12:52:12 +01:00 committed by Russell King
parent c01c5a506b
commit db90f91f6f
1 changed files with 7 additions and 2 deletions
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9
drivers/mmc/host/mmci.c
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@ -1130,6 +1130,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
struct variant_data *variant = host->variant;
u32 pwr = 0;
unsigned long flags;
int ret;
pm_runtime_get_sync(mmc_dev(mmc));
@ -1161,8 +1162,12 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
break;
case MMC_POWER_ON:
if (!IS_ERR(mmc->supply.vqmmc) &&
!regulator_is_enabled(mmc->supply.vqmmc))
regulator_enable(mmc->supply.vqmmc);
!regulator_is_enabled(mmc->supply.vqmmc)) {
ret = regulator_enable(mmc->supply.vqmmc);
if (ret < 0)
dev_err(mmc_dev(mmc),
"failed to enable vqmmc regulator\n");
}
pwr |= MCI_PWR_ON;
break;