diff options
| author | Chris Ball <cjb@laptop.org> | 2013-03-11 22:51:53 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-03-22 17:40:05 +0100 |
| commit | a3361abaae810b717fcb7191e0558bcbdaf1c12d (patch) | |
| tree | 880393d8f6ab1fe51f17088fe5dc17205868c43d /drivers/mmc | |
| parent | mmc: wmt-sdmmc: Use resource_size() (diff) | |
| download | linux-a3361abaae810b717fcb7191e0558bcbdaf1c12d.tar.xz linux-a3361abaae810b717fcb7191e0558bcbdaf1c12d.zip | |
mmc: sdhci: Don't ignore regulator_enable() return value
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 81d52942677c..2ea429c27714 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -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) |