linux-kernel - Re: [PATCH] HID: i2c-hid: add more DRM dependencies

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Message-ID: <CAD=FV=U7txm2iVYisUWC_gqQ_z3664eFj5mG2ygXiVvn0=pFgw@mail.gmail.com>
Date:   Thu, 3 Aug 2023 07:39:40 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Maxime Ripard <mripard@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Hans de Goede <hdegoede@...hat.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: i2c-hid: add more DRM dependencies

Hi,

On Wed, Aug 2, 2023 at 7:16 AM Doug Anderson <dianders@...omium.org> wrote:
>
> Hi,
>
> On Wed, Aug 2, 2023 at 5:49 AM Arnd Bergmann <arnd@...nel.org> wrote:
> >
> > From: Arnd Bergmann <arnd@...db.de>
> >
> > When a symbol is selected that has extra dependencies,
> > anything that selects it must have the same dependencies.
> > With the added CONFIG_DRM reference from I2C_HID_CORE,
> > this broke a couple of drivers that now also depend
> > on DRM:
> >
> > WARNING: unmet direct dependencies detected for I2C_HID_CORE
> >   Depends on [m]: HID_SUPPORT [=y] && I2C_HID [=y] && (DRM [=m] || !DRM [=m])
> >   Selected by [y]:
> >   - I2C_HID_OF [=y] && HID_SUPPORT [=y] && I2C_HID [=y]
> >   - I2C_HID_ACPI [=y] && HID_SUPPORT [=y] && I2C_HID [=y] && ACPI [=y]
> >   - I2C_HID_OF_GOODIX [=y] && HID_SUPPORT [=y] && I2C_HID [=y] && OF [=y]
> > x86_64-linux-ld: vmlinux.o: in function `i2c_hid_core_remove':
> > (.text+0xfc8826): undefined reference to `drm_panel_remove_follower'
> > x86_64-linux-ld: vmlinux.o: in function `i2c_hid_core_probe':
> > (.text+0xfc8da0): undefined reference to `drm_is_panel_follower'
> >
> > Add the corresponding DRM||!DRM dependencies on each one that
> > is affected.
> >
> > Fixes: 96a37bfd232ae ("HID: i2c-hid: Support being a panel follower")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> > ---
> >  drivers/hid/i2c-hid/Kconfig | 4 ++++
> >  1 file changed, 4 insertions(+)
>
> This makes sense. Thanks for the fix!
>
> I'm happy to land this in drm-misc-next (where the original patch
> landed), but I'd prefer an Ack from Benjamin first, if possible. If
> this is still outstanding tomorrow I'll land it anyway since it's a
> small fix and he Acked the commit that this is fixing.
>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>

It's tomorrow, so I've landed this in drm-misc-next.

a0769f25a3a6 HID: i2c-hid: add more DRM dependencies


-Doug