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: Russell King <li...@arm.linux.org.uk>
Cc: Chris Ball <c...@laptop.org>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
drivers/mmc/host/mmci.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 375c109..f4f3038 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -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;
--
1.7.10.4
--
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