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mmc: tmio: fix compiler warning

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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>
This commit is contained in:
Guennadi Liakhovetski
2013-07-08 11:38:09 +02:00
committed by Chris Ball
parent bfffbea1aa
commit 6d1d6b4759
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/host/tmio_mmc_pio.c
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@@ -795,9 +795,13 @@ static void tmio_mmc_power_on(struct tmio_mmc_host *host, unsigned short vdd)
* omap_hsmmc.c driver does. * omap_hsmmc.c driver does.
*/ */
if (!IS_ERR(mmc->supply.vqmmc) && !ret) { if (!IS_ERR(mmc->supply.vqmmc) && !ret) {
regulator_enable(mmc->supply.vqmmc); ret = regulator_enable(mmc->supply.vqmmc);
udelay(200); 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) static void tmio_mmc_power_off(struct tmio_mmc_host *host)