From ad9679f3811899fd1c21dc7bdd715e8e1cfb46b9 Mon Sep 17 00:00:00 2001
From: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Date: Mon, 26 Dec 2022 13:01:58 +0900
Subject: [PATCH] mtd: spi-nor: sfdp: Fix index value for SCCR dwords
Git-commit: ad9679f3811899fd1c21dc7bdd715e8e1cfb46b9
Patch-mainline: v6.3-rc1
References: git-fixes
Array index for SCCR 22th DOWRD should be 21.
Fixes: 981a8d60e01f ("mtd: spi-nor: Parse SFDP SCCR Map")
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: Michael Walle <michael@walle.cc>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/d8a2a77c2c95cf776e7dcae6392d29fdcf5d6307.1672026365.git.Takahiro.Kuwano@infineon.com
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/mtd/spi-nor/sfdp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/sfdp.c b/drivers/mtd/spi-nor/sfdp.c
index 8434f654eca1..5df2fcba5483 100644
--- a/drivers/mtd/spi-nor/sfdp.c
+++ b/drivers/mtd/spi-nor/sfdp.c
@@ -1228,7 +1228,7 @@ static int spi_nor_parse_sccr(struct spi_nor *nor,
le32_to_cpu_array(dwords, sccr_header->length);
- if (FIELD_GET(SCCR_DWORD22_OCTAL_DTR_EN_VOLATILE, dwords[22]))
+ if (FIELD_GET(SCCR_DWORD22_OCTAL_DTR_EN_VOLATILE, dwords[21]))
nor->flags |= SNOR_F_IO_MODE_EN_VOLATILE;
out:
--
2.35.3