mmc: tmio: fix compiler warning
This patch fixes a compiler warning:
drivers/mmc/host/tmio_mmc_pio.c: In function 'tmio_mmc_power_on':
drivers/mmc/host/tmio_mmc_pio.c:798:19: warning: ignoring return value of
'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index b72edb7..718843c 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -795,9 +795,13 @@
* omap_hsmmc.c driver does.
*/
if (!IS_ERR(mmc->supply.vqmmc) && !ret) {
- regulator_enable(mmc->supply.vqmmc);
+ ret = regulator_enable(mmc->supply.vqmmc);
udelay(200);
}
+
+ if (ret < 0)
+ dev_dbg(&host->pdev->dev, "Regulators failed to power up: %d\n",
+ ret);
}
static void tmio_mmc_power_off(struct tmio_mmc_host *host)