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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-03-08 10:14:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:22 +0300 |
| commit | f2b0fc2a46a630289a0c53fdc6135a4051145c99 (patch) | |
| tree | e8ce543b4700d0a08af5d240d47d5c56289986ff /drivers/mmc | |
| parent | 9668c6bca12af33c2ce3a84b0753d71ce6827547 (diff) | |
| download | linux-f2b0fc2a46a630289a0c53fdc6135a4051145c99.tar.xz | |
mmc: davinci_mmc: Handle error for clk_enable
[ 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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/davinci_mmc.c | 6 |
1 files changed, 5 insertions, 1 deletions
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; |