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mmc: davinci_mmc: Handle error for clk_enable

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[ Upstream commit 09e7af76db02c74f2a339b3cb2d95460fa2ddbe4 ]

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: bbce5802af ("davinci: mmc: updates to suspend/resume implementation")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220308071415.1093393-1-jiasheng@iscas.ac.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2022-03-08 15:14:15 +08:00 committed by Greg Kroah-Hartman
parent 19eb5c7957
commit 541251b903
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/host/davinci_mmc.c
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@ -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;