| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 254/599] mmc: davinci_mmc: Handle error for clk_enable | Date | Tue, 5 Apr 2022 09:29:08 +0200 |
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From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
[ Upstream commit 09e7af76db02c74f2a339b3cb2d95460fa2ddbe4 ]
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> 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> --- 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 90cd179625fc..647928ab00a3 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; -- 2.34.1
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