linux-kernel - Re: [PATCH v2 1/2] dt-bindings: i2c-mux-gpmux: Add property for settle time

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]

Message-ID: <ad8b061c-7a0c-6486-5b06-c6a30f6575d2@axentia.se>
Date:   Sun, 31 Oct 2021 00:31:22 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>, robh+dt@...nel.org,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: i2c-mux-gpmux: Add property for
 settle time

On 2021-10-28 14:53, Horatiu Vultur wrote:
> Some HW requires some time for the signals to settle after the muxing is
> changed. Allow this time to be specified in device tree.
> 
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>

Maybe this belongs in the i2c-mux binding? Because next week it's someone
with some other i2c-mux that needs the signals so settle. Please include
some language that maybe not all driver support this optional binding etc.
For reference, compare with the optional properties in the i2c binding.

Cheers,
Peter