This is a note to let you know that I've just added the patch titled
mtd: rawnand: stm32_fmc2: remove unsupported EDO mode
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mtd-rawnand-stm32_fmc2-remove-unsupported-edo-mode.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f71e0e329c152c7f11ddfd97ffc62aba152fad3f Mon Sep 17 00:00:00 2001
From: Christophe Kerello <christophe.kerello@xxxxxxxxxxx>
Date: Tue, 28 Mar 2023 17:58:18 +0200
Subject: mtd: rawnand: stm32_fmc2: remove unsupported EDO mode
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
@@ -1592,6 +1592,9 @@ static int stm32_fmc2_setup_interface(st
if (IS_ERR(sdrt))
return PTR_ERR(sdrt);
+ if (sdrt->tRC_min < 30000)
+ return -EOPNOTSUPP;
+
if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)
return 0;
Patches currently in stable-queue which might be from christophe.kerello@xxxxxxxxxxx are
queue-5.4/mtd-rawnand-stm32_fmc2-remove-unsupported-edo-mode.patch
