Re: [PATCH RFC leds + net-next v4 0/2] Add support for LEDs on Marvell PHYs

From: Pavel Machek
Date: Fri Aug 07 2020 - 05:07:01 EST


Hi!

> this is v4 of my RFC adding support for LEDs connected to Marvell PHYs.
>
> Please note that if you want to test this, you still need to first apply
> the patch adding the LED private triggers support from Pavel's tree.
> https://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git/commit/?h=for-next&id=93690cdf3060c61dfce813121d0bfc055e7fa30d
>
> What I still don't like about this is that the LEDs created by the code
> don't properly support device names. LEDs should have name in format
> "device:color:function", for example "eth0:green:activity".
>
> The code currently looks for attached netdev for a given PHY, but
> at the time this happens there is no netdev attached, so the LEDs gets
> names without the device part (ie ":green:activity").
>
> This can be addressed in next version by renaming the LED when a netdev
> is attached to the PHY, but first a API for LED device renaming needs to
> be proposed. I am going to try to do that. This would also solve the
> same problem when userspace renames an interface.
>
> And no, I don't want phydev name there.

Ummm. Can we get little more explanation on that? I fear that LED
device renaming will be tricky and phydev would work around that
nicely.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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