This is a note to let you know that I've just added the patch titled
mtd: rawnand: fsmc: handle clk prepare error in fsmc_nand_resume()
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mtd-rawnand-fsmc-handle-clk-prepare-error-in-fsmc_na.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 46d9b8692f85b3438d3dd05aace0819ee70cc030
Author: Yi Yang <yiyang13@xxxxxxxxxx>
Date: Thu Aug 17 19:58:39 2023 +0800
mtd: rawnand: fsmc: handle clk prepare error in fsmc_nand_resume()
[ 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>
diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c
index 663ff5300ad99..3da66e95e5b7e 100644
--- a/drivers/mtd/nand/raw/fsmc_nand.c
+++ b/drivers/mtd/nand/raw/fsmc_nand.c
@@ -1190,9 +1190,14 @@ 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);
