netdev - Re: [PATCH 0/3] add dt configuration for dp83867 led modes

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Message-ID: <6388f310.050a0220.532be.7cd5@mx.google.com>
Date:   Thu, 1 Dec 2022 19:31:44 +0100
From:   Christian Marangi <ansuelsmth@...il.com>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, netdev@...r.kernel.org,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH 0/3] add dt configuration for dp83867 led modes

On Thu, Dec 01, 2022 at 10:26:09AM -0800, Tim Harvey wrote:
> On Sun, Nov 20, 2022 at 3:35 PM Andrew Lunn <andrew@...n.ch> wrote:
> >
> > On Fri, Nov 18, 2022 at 11:57:00AM -0800, Tim Harvey wrote:
> > > On Fri, Nov 18, 2022 at 5:11 AM Andrew Lunn <andrew@...n.ch> wrote:
> > > >
> > > > > Andrew,
> > > > >
> > > > > I completely agree with you but I haven't seen how that can be done
> > > > > yet. What support exists for a PHY driver to expose their LED
> > > > > configuration to be used that way? Can you point me to an example?
> > > >
> > > > Nobody has actually worked on this long enough to get code merged. e.g.
> > > > https://lore.kernel.org/netdev/20201004095852.GB1104@bug/T/
> > > > https://lists.archive.carbon60.com/linux/kernel/3396223
> > > >
> > > > This is probably the last attempt, which was not too far away from getting merged:
> > > > https://patches.linaro.org/project/linux-leds/cover/20220503151633.18760-1-ansuelsmth@gmail.com/
> > > >
> > > > I seem to NACK a patch like yours every couple of months. If all that
> > > > wasted time was actually spent on a common framework, this would of
> > > > been solved years ago.
> > > >
> > > > How important is it to you to control these LEDs? Enough to finish
> > > > this code and get it merged?
> > > >
> > >
> > > Andrew,
> > >
> > > Thanks for the links - the most recent attempt does look promising.
> > > For whatever reason I don't have that series in my mail history so
> > > it's not clear how I can respond to it.
> >
> > apt-get install b4
> >
> > > Ansuel, are you planning on posting a v7 of 'Adds support for PHY LEDs
> > > with offload triggers' [1]?
> > >
> > > I'm not all that familiar with netdev led triggers. Is there a way to
> > > configure the default offload blink mode via dt with your series? I
> > > didn't quite follow how the offload function/blink-mode gets set.
> >
> > The idea is that the PHY LEDs are just LEDs in the Linux LED
> > framework. So read Documentation/devicetree/bindings/leds/common.yaml.
> > The PHY should make use of these standard DT properties, including
> > linux,default-trigger.
> >
> >         Andrew
> 
> Ansuel,
> 
> Are you planning on posting a v7 of 'Adds support for PHY LEDs with
> offload triggers' [1]?
> 
> Best Regards,
> 
> Tim
> [1] https://patches.linaro.org/project/linux-leds/list/?series=174704

I can consider that only if there is a real interest for it and would
love some help by the netdev team to actually have a review from the
leds team...

I tried multiple time to propose it but I never got a review... only a
review from an external guy that wanted to follow his idea in every way
possible with the only intention of applying his code (sorry to be rude
about that but i'm more than happy to recover the work and search for a
common solution)

So yes this is still in my TODO list but it would help if others can
tell me that they want to actually review it. That would put that
project on priority and I would recover and push a v7.

-- 
	Ansuel