linux-kernel - Re: [PATCH] mips: dts: ralink: Clarify usage of MT7621 ethernet phy arguments

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] [day] [month] [year] [list]

Message-ID: <ZFywT5/S3gICedl8@bart.dudau.co.uk>
Date:   Thu, 11 May 2023 10:07:27 +0100
From:   Liviu Dudau <liviu@...au.co.uk>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH] mips: dts: ralink: Clarify usage of MT7621 ethernet phy
 arguments

On Thu, May 11, 2023 at 06:13:41AM +0200, Sergio Paracuellos wrote:
> Hi Liviu,

Hi Sergio,

> 
> On Wed, May 10, 2023 at 7:56 PM Liviu Dudau <liviu@...au.co.uk> wrote:
> >
> > Hi Arınç,
> >
> > On Wed, May 10, 2023 at 02:59:44PM +0200, Arınç ÜNAL wrote:
> > > On 9.05.2023 22:00, Liviu Dudau wrote:
> > > > The device tree uses numbers as arguments to the phys property that are
> > > > confusing for newcomers. Define names for the values and use them in the
> > > > device tree.
> > > >
> > > > Signed-off-by: Liviu Dudau <liviu@...au.co.uk>
> > >
> > > You should document this on
> > > instead of
> > > doing this. Under the phys property, add 'description:' and explain this.
> >
> > There is already some sort of explanation under
> > Documentation/devicetree/bindings/phy/mediatek,mt7621-pci-phy.yaml, so I'm
> > not sure what I'm improving by adding new text in the /pci/ section.
> >
> > Maybe I haven't explained properly in the commit message, this is meant to
> > give a name to the 1 and 0 values used in the device tree, not to clarify
> > any perceived missing documentation.
> 
> What is that useful for if the bindings are well documented? The
> description in the
> 'Documentation/devicetree/bindings/pci/mediatek,mt7621-pcie.yaml' file
> for the '#phy-cells'
> property is already telling you what that cell is used for. It is
> obvious that zero means not dual ported and one means dual ported.
> So for me there is no need to add anything extra but in case you want
> to clarify anything you should modify binding documentation not the
> device tree file at all.

Understood. Then please feel free to ignore this patch.

Best regards,
Liviu

> 
> Thanks,
>     Sergio Paracuellos
> >
> > >
> > > Arınç
> >
> > Best regards,
> > Liviu

-- 
Everyone who uses computers frequently has had, from time to time,
a mad desire to attack the precocious abacus with an axe.
       	   	      	     	  -- John D. Clark, Ignition!