[PATCH] mtd: spi-nor: spansion: Keep CFR5V[6] as 1 in Octal DTR enable/disable
tkuw584924 at gmail.com
tkuw584924 at gmail.com
Thu Jan 5 19:06:01 PST 2023
From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
CFR5V[6] is reserved bit and must always be 1.
Fixes: c3266af101f2 ("mtd: spi-nor: spansion: add support for Cypress Semper flash")
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
Cc: stable at vger.kernel.org
---
drivers/mtd/spi-nor/spansion.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index b621cdfd506f..4e094a432d29 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -21,8 +21,8 @@
#define SPINOR_REG_CYPRESS_CFR3V 0x00800004
#define SPINOR_REG_CYPRESS_CFR3V_PGSZ BIT(4) /* Page size. */
#define SPINOR_REG_CYPRESS_CFR5V 0x00800006
-#define SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_EN 0x3
-#define SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_DS 0
+#define SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_EN 0x43
+#define SPINOR_REG_CYPRESS_CFR5V_OCT_DTR_DS 0x40
#define SPINOR_OP_CYPRESS_RD_FAST 0xee
/* Cypress SPI NOR flash operations. */
--
2.25.1
More information about the linux-mtd
mailing list