linux-kernel - Re: [PATCH] efi: sysfb_efi: fix build when EFI is not set

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Message-ID: <9aa81fd9-359d-fc30-2969-50b8c7677f9f@redhat.com>
Date:   Tue, 27 Jul 2021 09:54:24 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc:     Ard Biesheuvel <ardb@...nel.org>, linux-efi@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Mark Brown <broonie@...nel.org>, linux-next@...r.kernel.org
Subject: Re: [PATCH] efi: sysfb_efi: fix build when EFI is not set

On 7/27/21 7:04 AM, Randy Dunlap wrote:
> 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@...radead.org>
> Cc: Ard Biesheuvel <ardb@...nel.org>
> Cc: linux-efi@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: Javier Martinez Canillas <javierm@...hat.com>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: linux-next@...r.kernel.org
> ---
>  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
> 

Thanks for the patch.

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat