netdev - Re: [PATCH net-next v2] net: wan: framer: Add version sysfs attribute for the Lantiq PEF2256 framer

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Message-ID: <20250918174522.5f34615b@bootlin.com>
Date: Thu, 18 Sep 2025 17:45:22 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] net: wan: framer: Add version sysfs
 attribute for the Lantiq PEF2256 framer

Hi Christophe,

On Wed, 17 Sep 2025 08:24:01 +0200
Christophe Leroy <christophe.leroy@...roup.eu> wrote:

> Lantiq PEF2256 framer has some little differences in behaviour
> depending on its version.
> 
> Add a sysfs attribute to allow user applications to know the
> version.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
> v2:
> - Make DEVICE_ATTR_RO(version) static
> - Split version_show() prototype into 2 lines to remain under 80 chars
> 
> v1: https://lore.kernel.org/all/f9aaa89946f1417dc0a5e852702410453e816dbc.1757754689.git.christophe.leroy@csgroup.eu/
> ---
>  drivers/net/wan/framer/pef2256/pef2256.c | 24 +++++++++++++++++++-----
>  1 file changed, 19 insertions(+), 5 deletions(-)
> 

This patch add a new entry in sysfs.

Can you provide the related documentation in /Documentation/ABI/testing/

Best regards,
Hervé