linux-kernel - Re: [PATCH v3 1/2] dt-bindings: mtd: jedec, spi-nor: Add DT property to avoid setting SRWD bit in status register

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <168780093273.3434534.11377624965513902271.robh@kernel.org>
Date:   Mon, 26 Jun 2023 11:35:33 -0600
From:   Rob Herring <robh@...nel.org>
To:     Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
Cc:     amitrkcian2002@...il.com, git@....com, devicetree@...r.kernel.org,
        vigneshr@...com, conor+dt@...nel.org, pratyush@...nel.org,
        tudor.ambarus@...aro.org, richard@....at,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        miquel.raynal@...tlin.com, michael@...le.cc,
        krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: mtd: jedec, spi-nor: Add DT property
 to avoid setting SRWD bit in status register


On Sun, 25 Jun 2023 15:32:50 +0530, Amit Kumar Mahapatra wrote:
> If the WP# signal of the flash device is either not connected or is wrongly
> tied to GND (that includes internal pull-downs), and the software sets the
> status register write disable (SRWD) bit in the status register then the
> status register permanently becomes read-only. To avoid this added a new
> boolean DT property "no-wp". If this property is set in the DT then the
> software avoids setting the SRWD during status register write operation.
> 
> Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
> ---
> As the DT property name has changed so, removed Reviewed-by tag.
> @Cornor if possible, could you please review this updated patch.
> ---
>  .../devicetree/bindings/mtd/jedec,spi-nor.yaml    | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 

Reviewed-by: Rob Herring <robh@...nel.org>