* [PATCH] mtd: spinand: winbond: Declare the QE bit on W25NxxJW
@ 2026-03-25 17:04 Miquel Raynal
0 siblings, 0 replies; only message in thread
From: Miquel Raynal @ 2026-03-25 17:04 UTC (permalink / raw)
To: Richard Weinberger, Vignesh Raghavendra, Pratyush Yadav,
Michael Walle, linux-mtd
Cc: Steam Lin, Thomas Petazzoni, Miquel Raynal, stable
Factory default for this bit is "set" (at least on the chips I have),
but we must make sure it is actually set by Linux explicitly, as the
bit is writable by an earlier stage.
Fixes: 6a804fb72de5 ("mtd: spinand: winbond: add support for serial NAND flash")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
drivers/mtd/nand/spi/winbond.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c
index e0138785e280..ad22774096e6 100644
--- a/drivers/mtd/nand/spi/winbond.c
+++ b/drivers/mtd/nand/spi/winbond.c
@@ -488,7 +488,7 @@ static const struct spinand_info winbond_spinand_table[] = {
SPINAND_INFO_OP_VARIANTS(&read_cache_dual_quad_dtr_variants,
&write_cache_variants,
&update_cache_variants),
- 0,
+ SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&w25n01jw_ooblayout, NULL),
SPINAND_CONFIGURE_CHIP(w25n0xjw_hs_cfg)),
SPINAND_INFO("W25N01KV", /* 3.3V */
@@ -552,7 +552,7 @@ static const struct spinand_info winbond_spinand_table[] = {
SPINAND_INFO_OP_VARIANTS(&read_cache_dual_quad_dtr_variants,
&write_cache_variants,
&update_cache_variants),
- 0,
+ SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL),
SPINAND_CONFIGURE_CHIP(w25n0xjw_hs_cfg)),
SPINAND_INFO("W25N02KV", /* 3.3V */
--
2.51.1
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2026-03-25 17:04 [PATCH] mtd: spinand: winbond: Declare the QE bit on W25NxxJW Miquel Raynal
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