linux-kernel - Re: [RESEND PATCH v2] mtd: spi-nor: Fix address width on flash chips

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Message-ID: <20201006153301.GC23711@kroah.com>
Date:   Tue, 6 Oct 2020 17:33:01 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Bert Vermeulen <bert@...t.com>
Cc:     tudor.ambarus@...rochip.com, miquel.raynal@...tlin.com,
        richard@....at, vigneshr@...com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [RESEND PATCH v2] mtd: spi-nor: Fix address width on flash chips
 > 16MB

On Tue, Oct 06, 2020 at 03:23:46PM +0200, Bert Vermeulen wrote:
> If a flash chip has more than 16MB capacity but its BFPT reports
> BFPT_DWORD1_ADDRESS_BYTES_3_OR_4, the spi-nor framework defaults to 3.
> 
> The check in spi_nor_set_addr_width() doesn't catch it because addr_width
> did get set. This fixes that check.
> 
> Fixes: f9acd7fa80be ("mtd: spi-nor: sfdp: default to addr_width of 3 for configurable widths")
> Signed-off-by: Bert Vermeulen <bert@...t.com>
> Reviewed-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
> ---
>  drivers/mtd/spi-nor/core.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>