From 4dd7ef970bee8a93e1817ec028a7e26aef046d0d Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Wed, 5 May 2021 23:37:30 +0200 Subject: [PATCH] mtd: rawnand: arasan: Check the proposed data interface is supported Check the data interface is supported in ->setup_interface() before acknowledging the timings. Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20210505213750.257417-3-miquel.raynal@bootlin.com --- drivers/mtd/nand/raw/arasan-nand-controller.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/nand/raw/arasan-nand-controller.c b/drivers/mtd/nand/raw/arasan-nand-controller.c index 549aac00228eb..65a52bb2731e6 100644 --- a/drivers/mtd/nand/raw/arasan-nand-controller.c +++ b/drivers/mtd/nand/raw/arasan-nand-controller.c @@ -861,6 +861,11 @@ static int anfc_setup_interface(struct nand_chip *chip, int target, struct anand *anand = to_anand(chip); struct arasan_nfc *nfc = to_anfc(chip->controller); struct device_node *np = nfc->dev->of_node; + const struct nand_sdr_timings *sdr; + + sdr = nand_get_sdr_timings(conf); + if (IS_ERR(sdr)) + return PTR_ERR(sdr); if (target < 0) return 0; -- 2.30.2