[RFC PATCH 02/16] mtd: rawnand: arasan: Check the proposed data interface is supported

[Miquel Raynal]

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

Signed-off-by: Miquel Raynal <miquel.raynal at 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 549aac00228e..65a52bb2731e 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;
-- 
2.27.0