kernel: fix QE bit for Fudan Micro FM25S01A SPI-NAND

According to datasheet (http://eng.fmsh.com/nvm/FM25S01A_ds_eng.pdf)
there is no QE (Quad Enable) bit for FM25S01A flash, so remove it.

Signed-off-by: Mikhail Zhilkin <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20872
Signed-off-by: Hauke Mehrtens <[email protected]>

diff --git a/target/linux/generic/backport-6.12/404-v6.19-mtd-spinand-fmsh-remove-QE-bit-for-FM25S01A-flash.patch b/target/linux/generic/backport-6.12/404-v6.19-mtd-spinand-fmsh-remove-QE-bit-for-FM25S01A-flash.patch
new file mode 100644 (file)
index 0000000..7f9ec6a
--- /dev/null
+++ b/target/linux/generic/backport-6.12/404-v6.19-mtd-spinand-fmsh-remove-QE-bit-for-FM25S01A-flash.patch
@@ -0,0 +1,28 @@
+From a1d3bc606bf5c3b3ea811cc2019df6285d75b00f Mon Sep 17 00:00:00 2001
+From: Mikhail Kshevetskiy <[email protected]>
+Date: Mon, 3 Nov 2025 04:01:48 +0300
+Subject: [PATCH] mtd: spinand: fmsh: remove QE bit for FM25S01A flash
+
+According to datasheet (http://eng.fmsh.com/nvm/FM25S01A_ds_eng.pdf)
+there is no QE (Quad Enable) bit for FM25S01A flash, so remove it.
+
+Fixes: 5f284dc15ca86 ("mtd: spinand: add support for FudanMicro FM25S01A")
+Signed-off-by: Mikhail Kshevetskiy <[email protected]>
+Tested-by: Tianling Shen <[email protected]>
+Signed-off-by: Miquel Raynal <[email protected]>
+Link: Link: https://lore.kernel.org/linux-mtd/[email protected]
+---
+ drivers/mtd/nand/spi/fmsh.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/nand/spi/fmsh.c
++++ b/drivers/mtd/nand/spi/fmsh.c
+@@ -58,7 +58,7 @@ static const struct spinand_info fmsh_sp
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_variants,
+                                             &update_cache_variants),
+-                   SPINAND_HAS_QE_BIT,
++                   0,
+                    SPINAND_ECCINFO(&fm25s01a_ooblayout, NULL)),
+ };
+