From: Miquel Raynal Date: Wed, 5 May 2021 21:37:31 +0000 (+0200) Subject: mtd: rawnand: atmel: Check the proposed data interface is supported X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=ed2a491037116387f109e851a2b46adcb5feca3b;p=linux.git mtd: rawnand: atmel: 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/20210505213750.257417-4-miquel.raynal@bootlin.com --- diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 53b3a11b99529..6e15f424b0718 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -1524,8 +1524,13 @@ static int atmel_nand_setup_interface(struct nand_chip *chip, int csline, const struct nand_interface_config *conf) { struct atmel_nand *nand = to_atmel_nand(chip); + const struct nand_sdr_timings *sdr; struct atmel_nand_controller *nc; + sdr = nand_get_sdr_timings(conf); + if (IS_ERR(sdr)) + return PTR_ERR(sdr); + nc = to_nand_controller(nand->base.controller); if (csline >= nand->numcs ||