From: Christophe Kerello <christophe.kerello@xxxxxxxxxxx> commit f71e0e329c152c7f11ddfd97ffc62aba152fad3f upstream. Remove the EDO mode support from as the FMC2 controller does not support the feature. Signed-off-by: Christophe Kerello <christophe.kerello@xxxxxxxxxxx> Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver") Cc: stable@xxxxxxxxxxxxxxx #v5.4+ Reviewed-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> Link: https://lore.kernel.org/linux-mtd/20230328155819.225521-2-christophe.kerello@xxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/mtd/nand/raw/stm32_fmc2_nand.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c @@ -1525,6 +1525,9 @@ static int stm32_fmc2_nfc_setup_interfac if (IS_ERR(sdrt)) return PTR_ERR(sdrt); + if (sdrt->tRC_min < 30000) + return -EOPNOTSUPP; + if (chipnr == NAND_DATA_IFACE_CHECK_ONLY) return 0;