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mmc: sdhci: Don't ignore regulator_enable() return value

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Fixes:
/git/arm-soc/drivers/mmc/host/sdhci.c: In function 'sdhci_add_host':
/git/arm-soc/drivers/mmc/host/sdhci.c:2910:19: warning: ignoring
return value of 'regulator_enable', declared with attribute
warn_unused_result [-Wunused-result]

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Chris Ball 2013-03-11 17:51:53 -04:00
parent 2211990162
commit a3361abaae
1 changed files with 6 additions and 1 deletions
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7
drivers/mmc/host/sdhci.c
View file

@ -2939,12 +2939,17 @@ int sdhci_add_host(struct sdhci_host *host)
host->vqmmc = NULL;
}
} else {
regulator_enable(host->vqmmc);
ret = regulator_enable(host->vqmmc);
if (!regulator_is_supported_voltage(host->vqmmc, 1700000,
1950000))
caps[1] &= ~(SDHCI_SUPPORT_SDR104 |
SDHCI_SUPPORT_SDR50 |
SDHCI_SUPPORT_DDR50);
if (ret) {
pr_warn("%s: Failed to enable vqmmc regulator: %d\n",
mmc_hostname(mmc), ret);
host->vqmmc = NULL;
}
}
if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V)