netdev - Re: [PATCH] net: can: Add support for aliases in CAN

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Message-ID: <20240112-overreact-dwindling-2949267e8a02-mkl@pengutronix.de>
Date: Fri, 12 Jan 2024 16:43:16 +0100
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: "Kumar, Udit" <u-kumar1@...com>
Cc: Bhavya Kapoor <b-kapoor@...com>, linux-kernel@...r.kernel.org, 
	netdev@...r.kernel.org, linux-can@...r.kernel.org, mailhol.vincent@...adoo.fr, 
	rcsekar@...sung.com, pabeni@...hat.com, kuba@...nel.org, edumazet@...gle.com, 
	davem@...emloft.net, wg@...ndegger.com, vigneshr@...com
Subject: Re: [PATCH] net: can: Add support for aliases in CAN

On 12.01.2024 20:53:32, Kumar, Udit wrote:
> Hi Marc
> 
> On 1/2/2024 4:43 PM, Marc Kleine-Budde wrote:
> > On 02.01.2024 15:59:49, Bhavya Kapoor wrote:
> > > When multiple CAN's are present, then names that are getting assigned
> > > changes after every boot even after providing alias in the device tree.
> > > Thus, Add support for implementing CAN aliasing so that names or
> > > alias for CAN will now be provided from device tree.
> > NACK, please use udev or systemd-networkd to provide stable names for
> > CAN interfaces.
> 
> Would you like to re-consider this NACK.

This is not a CAN device specific problem. If you want to change this,
talk/convince the networking people.

> From kernel side,
> 
> IMO if aliasing is set in device tree then kernel should provide consistent
> baseline names.
> 
> However, distributions may choose different or other stable naming,
> 
> Also, if some distribution want to rely on kernel naming they still can do.

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
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