Commit ed2a4910 authored by Miquel Raynal's avatar Miquel Raynal
Browse files

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: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210505213750.257417-4-miquel.raynal@bootlin.com
parent 4dd7ef97

drivers/mtd/nand/raw/atmel/nand-controller.c

+5 −0
Original line number Diff line number Diff line
@@ -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 ||