[PATCH 5.15 15/91] mtd: rawnand: stm32_fmc2: remove unsupported EDO mode

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

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

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@foss.st.com>
Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")
Cc: stable@vger.kernel.org #v5.4+
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230328155819.225521-2-christophe.kerello@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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
@@ -1527,6 +1527,9 @@ 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;