5.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yi Yang <yiyang13@xxxxxxxxxx>
[ Upstream commit a5a88125d00612586e941ae13e7fcf36ba8f18a7 ]
In fsmc_nand_resume(), the return value of clk_prepare_enable() should be
checked since it might fail.
Fixes: e25da1c07dfb ("mtd: fsmc_nand: Add clk_{un}prepare() support")
Signed-off-by: Yi Yang <yiyang13@xxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20230817115839.10192-1-yiyang13@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/mtd/nand/raw/fsmc_nand.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c
index cc8369a595de3..bccadf8f27fa4 100644
--- a/drivers/mtd/nand/raw/fsmc_nand.c
+++ b/drivers/mtd/nand/raw/fsmc_nand.c
@@ -1181,9 +1181,14 @@ static int fsmc_nand_suspend(struct device *dev)
static int fsmc_nand_resume(struct device *dev)
{
struct fsmc_nand_data *host = dev_get_drvdata(dev);
+ int ret;
if (host) {
- clk_prepare_enable(host->clk);
+ ret = clk_prepare_enable(host->clk);
+ if (ret) {
+ dev_err(dev, "failed to enable clk\n");
+ return ret;
+ }
if (host->dev_timings)
fsmc_nand_setup(host, host->dev_timings);
nand_reset(&host->nand, 0);
--
2.40.1
