Re: [PATCH] mtd: spi-nor: winbond: Add support for w25m512jw

From: Vignesh Raghavendra
Date: Tue Nov 10 2020 - 07:58:45 EST




On 10/16/20 5:25 PM, Lad Prabhakar wrote:
> This chip is (nearly) identical to the Winbond w25m512jv which is
> already supported by Linux. Compared to the w25m512jv, the 'jw'
> has a different JEDEC ID.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

I believe this was tested on a real HW? Including Quad mode?

> ---
> drivers/mtd/spi-nor/winbond.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
> index 6dcde15fb1aa..b5dfc09fef30 100644
> --- a/drivers/mtd/spi-nor/winbond.c
> +++ b/drivers/mtd/spi-nor/winbond.c
> @@ -88,6 +88,8 @@ static const struct flash_info winbond_parts[] = {
> SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> { "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
> SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
> + { "w25m512jw", INFO(0xef6119, 0, 64 * 1024, 1024,
> + SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
> };
>
> /**
>