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Subject[PATCH] mmc: davinci_mmc: Handle error for clk_enable
Date
As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: bbce5802afc5 ("davinci: mmc: updates to suspend/resume implementation")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
drivers/mmc/host/davinci_mmc.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 2a757c88f9d2..80de660027d8 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1375,8 +1375,12 @@ static int davinci_mmcsd_suspend(struct device *dev)
static int davinci_mmcsd_resume(struct device *dev)
{
struct mmc_davinci_host *host = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_enable(host->clk);
+ if (ret)
+ return ret;

- clk_enable(host->clk);
mmc_davinci_reset_ctrl(host, 0);

return 0;
--
2.25.1
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