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mtd: rawnand: atmel: Check the proposed data interface is supported

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Check the data interface is supported in ->setup_interface() before
acknowledging the timings.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210505213750.257417-4-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2021-05-05 23:37:31 +02:00
parent 4dd7ef970b
commit ed2a491037
1 changed files with 5 additions and 0 deletions
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5
drivers/mtd/nand/raw/atmel/nand-controller.c
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@ -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 ||