[PATCH 1/3] mtd: spi-nor: sfdp: Fix index value for SCCR dwords

[Tudor Ambarus]

On 23.12.2022 09:21, tkuw584924 at gmail.com wrote:
> From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> 
> Array index for SCCR 22th DOWRD should be 21.
> 

don't forget to cc stable:
https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

> Fixes: 981a8d60e01f ("mtd: spi-nor: Parse SFDP SCCR Map")
> Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> Reviewed-by: Michael Walle <michael at walle.cc>
> ---
>   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: