linux-kernel - Re: [PATCH] net: dsa: realtek: add LEDS

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Date: Sat, 8 Jun 2024 13:03:16 -0300
From: Luiz Angelo Daros de Luca <luizluca@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Arnd Bergmann <arnd@...nel.org>, Andrew Lunn <andrew@...n.ch>, 
	Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean <olteanv@...il.com>, 
	"David S. Miller" <davem@...emloft.net>, Arnd Bergmann <arnd@...db.de>, 
	Alvin Šipraga <alsi@...g-olufsen.dk>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: dsa: realtek: add LEDS_CLASS dependency

> On Tue, May 28, 2024 at 2:04 PM Arnd Bergmann <arnd@...nel.org> wrote:
>
> > From: Arnd Bergmann <arnd@...db.de>
> >
> > This driver fails to link when LED support is disabled:
> >
> > ERROR: modpost: "led_init_default_state_get" [drivers/net/dsa/realtek/rtl8366.ko] undefined!
> > ERROR: modpost: "devm_led_classdev_register_ext" [drivers/net/dsa/realtek/rtl8366.ko] undefined!
> >
> > Add a dependency that prevents this configuration.
> >
> > Fixes: 32d617005475 ("net: dsa: realtek: add LED drivers for rtl8366rb")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
>
> The QCA driver in drivers/net/dsa/qca/* instead makes the feature
> optional on LED class, so it is in a separate file with stubs if the
> LED class is not selected.

That would be great.

> Luiz do you wanna try this or should I make a patch like that?

You can do it. I'm a bit away from programming these days. Thanks.

> Yours,
> Linus Walleij

Regards,

Luiz