From 09e7af76db02c74f2a339b3cb2d95460fa2ddbe4 Mon Sep 17 00:00:00 2001 From: Jiasheng Jiang Date: Tue, 8 Mar 2022 15:14:15 +0800 Subject: mmc: davinci_mmc: Handle error for clk_enable 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 Link: https://lore.kernel.org/r/20220308071415.1093393-1-jiasheng@iscas.ac.cn Signed-off-by: Ulf Hansson --- drivers/mmc/host/davinci_mmc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 0cf646ec9a80..7138dfa065bf 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1373,8 +1373,12 @@ 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; -- cgit v1.2.3-58-ga151