[PATCH v5 01/14] mtd: spi-nor: Fix mtd size for s3an flashes

Pratyush Yadav p.yadav at ti.com
Mon Dec 6 03:54:36 PST 2021


On 03/12/21 04:22PM, Tudor Ambarus wrote:
> As it was before the blamed commit, s3an_nor_scan() was called
> after mtd size was set with params->size, and it overwrote the mtd
> size value with '8 * nor->page_size * nor->info->n_sectors' when
> XSR_PAGESIZE was set. With the introduction of
> s3an_post_sfdp_fixups(), we missed to update the mtd size for the
> s3an flashes. Fix the mtd size by updating both nor->params->size,
> (which will update the mtd_info size later on) and nor->mtd.size
> (which is used in spi_nor_set_addr_width()).
> 
> Fixes: 641edddb4f43 ("mtd: spi-nor: Add s3an_post_sfdp_fixups()")
> Signed-off-by: Tudor Ambarus <tudor.ambarus at microchip.com>
> ---
>  drivers/mtd/spi-nor/xilinx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/spi-nor/xilinx.c b/drivers/mtd/spi-nor/xilinx.c
> index 7e970ccf7903..03d3b006a039 100644
> --- a/drivers/mtd/spi-nor/xilinx.c
> +++ b/drivers/mtd/spi-nor/xilinx.c
> @@ -69,7 +69,8 @@ static int xilinx_nor_setup(struct spi_nor *nor,
>  		page_size = (nor->params->page_size == 264) ? 256 : 512;
>  		nor->params->page_size = page_size;
>  		nor->mtd.writebufsize = page_size;
> -		nor->mtd.size = 8 * page_size * nor->info->n_sectors;
> +		nor->params->size = 8 * page_size * nor->info->n_sectors;
> +		nor->mtd.size = nor->params->size;

I supposed you could just have done this in patch 2 directly, but this 
is fine too.

Reviewed-by: Pratyush Yadav <p.yadav at ti.com>

-- 
Regards,
Pratyush Yadav
Texas Instruments Inc.



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