From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Wed, 19 Nov 2014 13:16:59 +0000 (-0200)
Subject: mmc: mxs-mmc: Check for clk_prepare_enable() error
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e34d467c515f5f64e12c28fb2b15035c9b38f332;p=openwrt%2Fstaging%2Fblogic.git

mmc: mxs-mmc: Check for clk_prepare_enable() error

clk_prepare_enable() may fail and in this case we should propagate the error.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index f2c49e0e213d..60c4ca97a727 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -619,7 +619,9 @@ static int mxs_mmc_probe(struct platform_device *pdev)
 		ret = PTR_ERR(ssp->clk);
 		goto out_mmc_free;
 	}
-	clk_prepare_enable(ssp->clk);
+	ret = clk_prepare_enable(ssp->clk);
+	if (ret)
+		goto out_mmc_free;
 
 	ret = mxs_mmc_reset(host);
 	if (ret) {
@@ -719,8 +721,7 @@ static int mxs_mmc_resume(struct device *dev)
 	struct mxs_mmc_host *host = mmc_priv(mmc);
 	struct mxs_ssp *ssp = &host->ssp;
 
-	clk_prepare_enable(ssp->clk);
-	return 0;
+	return clk_prepare_enable(ssp->clk);
 }
 #endif