[PATCH v2] mtd: spi-nor: sfdp: Fix index value for SCCR dwords

[tkuw584924 at gmail.com]

From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>

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 at infineon.com>
---
v2: Add Fixes tag.

 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 2257f1b4c2e2..681e5e78724c 100644
--- a/drivers/mtd/spi-nor/sfdp.c
+++ b/drivers/mtd/spi-nor/sfdp.c
@@ -1222,7 +1222,7 @@ 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:
-- 
2.25.1