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>

1 files changed, 4 insertions, 3 deletions

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