linux-kernel - Re: linux-next: build failure after merge of the hid tree

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Message-ID: <CAEth8oGPimtR8TmQrODtExedLdvpCYzgynOiynBUU1jC4B4jvg@mail.gmail.com>
Date: Tue, 11 Feb 2025 11:15:05 +0800
From: Kate Hsuan <hpa@...hat.com>
To: Jiri Kosina <jikos@...nel.org>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>, 
	Benjamin Tissoires <benjamin.tissoires@...hat.com>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, 
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the hid tree

Hi Jiri,

On Tue, Feb 11, 2025 at 6:07 AM Jiri Kosina <jikos@...nel.org> wrote:
>
> On Mon, 10 Feb 2025, Stephen Rothwell wrote:
>
> > Hi all,
> >
> > After merging the hid tree, today's linux-next build (powerpc
> > ppc64_defconfig) failed like this:
> >
> > ERROR: modpost: "led_mc_calc_color_components" [drivers/hid/hid-lg-g15.ko] undefined!
> > ERROR: modpost: "devm_led_classdev_multicolor_register_ext" [drivers/hid/hid-lg-g15.ko] undefined!
> >
> > Caused by commit
> >
> >   a3a064146c50 ("HID: hid-lg-g15: Use standard multicolor LED API")
> >
> > # CONFIG_LEDS_CLASS_MULTICOLOR is not set
> >
> > I have used the hid tree from next-20250207 for today.
>
> Indeed, this was reported by 0day bot as well.
>
> Kate, are you planning to send a fix please?

Yes.
It is a dependency issue in Kconfig.
Since the LED multicolour APIs are used, I'll add an
LEDS_CLASS_MULTICOLOR dependency to HID_LOGITECH.

Thank you :)

>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>


-- 
BR,
Kate