[PATCH 6.1 790/885] mtd: spi-nor: sfdp: Fix index value for SCCR dwords

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From: Takahiro Kuwano <Takahiro.Kuwano@xxxxxxxxxxxx>

commit ad9679f3811899fd1c21dc7bdd715e8e1cfb46b9 upstream.

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@xxxxxxxxxxxx>
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
Reviewed-by: Michael Walle <michael@xxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/d8a2a77c2c95cf776e7dcae6392d29fdcf5d6307.1672026365.git.Takahiro.Kuwano@xxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/mtd/spi-nor/sfdp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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
 
 	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:





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