diff options
| author | Yi Yang <yiyang13@huawei.com> | 2023-08-17 19:58:39 +0800 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2023-08-18 16:38:34 +0200 |
| commit | a5a88125d00612586e941ae13e7fcf36ba8f18a7 (patch) | |
| tree | e6a10b36db38e6a759ccbc22194b97ef4182e7f1 | |
| parent | f504551b7f153c52e52154b989266c11a17590f3 (diff) | |
mtd: rawnand: fsmc: handle clk prepare error in fsmc_nand_resume()
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@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230817115839.10192-1-yiyang13@huawei.com
| -rw-r--r-- | drivers/mtd/nand/raw/fsmc_nand.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 7b4742420dfc..2e33ae77502a 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -1200,9 +1200,14 @@ 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); |