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SubjectRe: [PATCH] mtd: spi-nor: Fix selection of 4-byte addressing opcodes on Spansion
Date
Hi, Vignesh,

On Wednesday, January 8, 2020 7:13:43 AM EET Vignesh Raghavendra wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> content is safe
>
> mtd->size is still unassigned when running spansion_post_sfdp_fixups()
> hook, therefore use nor->params.size to determine the size of flash device.
>
> This makes sure that 4-byte addressing opcodes are used on Spansion
> flashes that are larger than 16MiB and don't have SFDP 4BAIT table
> populated.
>
> Fixes: 92094ebc385e ("mtd: spi-nor: Add spansion_post_sfdp_fixups()")
> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

This fixes a recent bug, so if you want to take it through mtd/fixes you can
add:

Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>

If you want this through spi-nor/next, please let me know and I'll queue it.

Cheers,
ta

> ---
> drivers/mtd/spi-nor/spi-nor.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 1082b6bb1393..cd47f07deff3 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -4783,9 +4783,7 @@ static void spi_nor_info_init_params(struct spi_nor
> *nor)
>
> static void spansion_post_sfdp_fixups(struct spi_nor *nor)
> {
> - struct mtd_info *mtd = &nor->mtd;
> -
> - if (mtd->size <= SZ_16M)
> + if (nor->params.size <= SZ_16M)
> return;
>
> nor->flags |= SNOR_F_4B_OPCODES;
> --
> 2.24.1



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