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Date:   Tue, 27 Jul 2021 11:54:14 +0200
From:   Daniel Vetter <daniel@ffwll.ch>
To:     Thomas Zimmermann <tzimmermann@suse.de>
Cc:     Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org,
        linux-efi@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        Javier Martinez Canillas <javierm@redhat.com>,
        dri-devel@lists.freedesktop.org, linux-next@vger.kernel.org,
        Ard Biesheuvel <ardb@kernel.org>
Subject: Re: [PATCH] efi: sysfb_efi: fix build when EFI is not set
Message-ID: <YP/XxqHz83qBU4Sv@phenom.ffwll.local>
Mail-Followup-To: Thomas Zimmermann <tzimmermann@suse.de>,
        Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org,
        linux-efi@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        Javier Martinez Canillas <javierm@redhat.com>,
        dri-devel@lists.freedesktop.org, linux-next@vger.kernel.org,
        Ard Biesheuvel <ardb@kernel.org>
References: <20210727050447.7339-1-rdunlap@infradead.org>
 <aefba212-1e08-9994-6d6e-6db292bf9db6@suse.de>
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On Tue, Jul 27, 2021 at 11:15:36AM +0200, Thomas Zimmermann wrote:
> Hi
> 
> Am 27.07.21 um 07:04 schrieb Randy Dunlap:
> > When # CONFIG_EFI is not set, there are 2 definitions of
> > sysfb_apply_efi_quirks(). The stub from sysfb.h should be used
> > and the __init function from sysfb_efi.c should not be used.
> > 
> > ../drivers/firmware/efi/sysfb_efi.c:337:13: error: redefinition of ‘sysfb_apply_efi_quirks’
> >   __init void sysfb_apply_efi_quirks(struct platform_device *pd)
> >               ^~~~~~~~~~~~~~~~~~~~~~
> > In file included from ../drivers/firmware/efi/sysfb_efi.c:26:0:
> > ../include/linux/sysfb.h:65:20: note: previous definition of ‘sysfb_apply_efi_quirks’ was here
> >   static inline void sysfb_apply_efi_quirks(struct platform_device *pd)
> >                      ^~~~~~~~~~~~~~~~~~~~~~
> > 
> > Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> > Cc: Ard Biesheuvel <ardb@kernel.org>
> > Cc: linux-efi@vger.kernel.org
> > Cc: dri-devel@lists.freedesktop.org
> > Cc: Javier Martinez Canillas <javierm@redhat.com>
> > Cc: Thomas Zimmermann <tzimmermann@suse.de>
> > Cc: Mark Brown <broonie@kernel.org>
> > Cc: linux-next@vger.kernel.org
> 
> Thanks for the patch. It should have a fixes line
> 
> > dim fixes 8633ef82f101c040427b57d4df7b706261420b94
> 
> Fixes: 8633ef82f101 ("drivers/firmware: consolidate EFI framebuffer setup
> for all arches")

Added this and pushed to drm-next (because atm drm-next isn't in
linux-next because of this).

drm-next also has -rc3 backmerge for the nouveau fix, so I think a good
time to backmerge the entire pile into drm-misc-next?
-Daniel

> 
> 
> ... and maybe a few more of the CCs below
> 
> Cc: Javier Martinez Canillas <javierm@redhat.com>
> 
> Cc: Borislav Petkov <bp@suse.de>
> 
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> 
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> 
> Cc: Ard Biesheuvel <ardb@kernel.org>
> 
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> 
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> 
> Cc: Albert Ou <aou@eecs.berkeley.edu>
> 
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
> Cc: Linus Walleij <linus.walleij@linaro.org>
> 
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> 
> Cc: John Stultz <john.stultz@linaro.org>
> 
> Cc: Colin Ian King <colin.king@canonical.com>
> 
> Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
> 
> Cc: Sudeep Holla <sudeep.holla@arm.com>
> 
> Cc: Maxime Ripard <maxime@cerno.tech>
> 
> Cc: linux-efi@vger.kernel.org
> 
> Cc: linux-riscv@lists.infradead.org
> 
> 
> Best regards
> Thomas
> 
> > ---
> >   drivers/firmware/efi/sysfb_efi.c |    2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > --- linext-20210726.orig/drivers/firmware/efi/sysfb_efi.c
> > +++ linext-20210726/drivers/firmware/efi/sysfb_efi.c
> > @@ -332,6 +332,7 @@ static const struct fwnode_operations ef
> >   	.add_links = efifb_add_links,
> >   };
> > +#ifdef CONFIG_EFI
> >   static struct fwnode_handle efifb_fwnode;
> >   __init void sysfb_apply_efi_quirks(struct platform_device *pd)
> > @@ -354,3 +355,4 @@ __init void sysfb_apply_efi_quirks(struc
> >   		pd->dev.fwnode = &efifb_fwnode;
> >   	}
> >   }
> > +#endif
> > 
> 
> -- 
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Maxfeldstr. 5, 90409 Nürnberg, Germany
> (HRB 36809, AG Nürnberg)
> Geschäftsführer: Felix Imendörffer
> 


-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch