linux-kernel - Re: [PATCH 2/6] iio: adc: ad7173: fix buffers enablement for ad7176-2

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: Windows password security audit tool. GUI, reports in PDF.

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

Date: Mon, 8 Apr 2024 19:40:26 +0300
From: "Ceclan, Dumitru" <mitrutzceclan@...il.com>
To: Jonathan Cameron <jic23@...nel.org>,
 Dumitru Ceclan via B4 Relay <devnull+dumitru.ceclan.analog.com@...nel.org>
Cc: dumitru.ceclan@...log.com, Lars-Peter Clausen <lars@...afoo.de>,
 Michael Hennerich <Michael.Hennerich@...log.com>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, David Lechner <dlechner@...libre.com>,
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] iio: adc: ad7173: fix buffers enablement for ad7176-2

On 06/04/2024 17:56, Jonathan Cameron wrote:
> On Mon, 01 Apr 2024 18:32:20 +0300
> Dumitru Ceclan via B4 Relay <devnull+dumitru.ceclan.analog.com@...nel.org> wrote:
> 
>> From: Dumitru Ceclan <dumitru.ceclan@...log.com>
>>
>> AD7176-2 does not feature input buffers, enable buffers only on
>>  supported models.
>>
>> Fixes: cff259bf7274 ("iio: adc: ad7173: fix buffers enablement for ad7176-2")
>> Signed-off-by: Dumitru Ceclan <dumitru.ceclan@...log.com>
> How bad is this?  If you can find out if writing those bits does anything
> harmful (they are reserved and datasheet says should be written 0 I think)
> That will help people decide whether to backport the fix?

The bits are marked as read-only and there does not seem to be any effect on the ADC.
So drop this one?