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

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[ Upstream commit 4dd7ef970bee8a93e1817ec028a7e26aef046d0d ]

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/20210505213750.257417-3-miquel.raynal@bootlin.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miquel Raynal
2021-05-05 23:37:30 +02:00
committed by Greg Kroah-Hartman
parent c91e5215a4
commit 72fae7e7f7
1 changed files with 5 additions and 0 deletions
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5
drivers/mtd/nand/raw/arasan-nand-controller.c
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@@ -884,6 +884,11 @@ 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;