From: Christophe Kerello <christophe.kerello@foss.st.com>

Date: Tue, 28 Mar 2023 17:58:19 +0200

Subject: [PATCH] mtd: rawnand: stm32_fmc2: use timings.mode instead of

 checking tRC_min

References: bsc#1012628

Patch-mainline: 6.2.12

Git-commit: ddbb664b6ab8de7dffa388ae0c88cd18616494e5

commit ddbb664b6ab8de7dffa388ae0c88cd18616494e5 upstream.

Use timings.mode value instead of checking tRC_min timing

for EDO mode support.

Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>

Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")

Cc: stable@vger.kernel.org #v5.10+

Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

Link: https://lore.kernel.org/linux-mtd/20230328155819.225521-3-christophe.kerello@foss.st.com

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: Jiri Slaby <jslaby@suse.cz>

---

 drivers/mtd/nand/raw/stm32_fmc2_nand.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c

index 3abb63d0..9e74bcd9 100644

--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c

+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c

@@ -1531,7 +1531,7 @@ static int stm32_fmc2_nfc_setup_interface(struct nand_chip *chip, int chipnr,

 	if (IS_ERR(sdrt))

 		return PTR_ERR(sdrt);

-	if (sdrt->tRC_min < 30000)

+	if (conf->timings.mode > 3)

 		return -EOPNOTSUPP;

 	if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)

-- 

2.35.3