Commit 88d508fa authored Aug 17, 2023 by Yi Yang Committed by Greg Kroah-Hartman Sep 23, 2023

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: e25da1c0 ("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


Signed-off-by: Sasha Levin <sashal@kernel.org>

parent efa7f316

drivers/mtd/nand/raw/fsmc_nand.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -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);