linux-kernel - Re: [PATCH] arch/x86: Include <asm/fb.h> in fbdev source file

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Date:   Tue, 25 Apr 2023 18:56:26 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com, deller@....de, arnd@...db.de,
        daniel.vetter@...ll.ch
Cc:     linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH] arch/x86: Include <asm/fb.h> in fbdev source file

Thomas Zimmermann <tzimmermann@...e.de> writes:

> Move the implementation of fb_pgprotect() to fbdev.c and include
> <asm/fb.h>. Fixes the following warning:
>
>   ../arch/x86/video/fbdev.c:14:5: warning: no previous prototype for 'fb_is_primary_device' [-Wmissing-prototypes]
>      14 | int fb_is_primary_device(struct fb_info *info)
>         |     ^~~~~~~~~~~~~~~~~~~~
>
> Just including <asm/fb.h> results in a number of built-in errors
> about undefined function. Moving fb_pgprotect() to the source file
> avoids the required include statements in the header. The function
> is only called occasionally from fb_mmap(), so having it as static
> inline had no benefit.
>
> While at it, fix the codying style in fbdev.c.
>
> Link: https://elixir.bootlin.com/linux/v6.3-rc7/source/drivers/video/fbdev/core/fbmem.c#L1404
> Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
> ---

Looks good to me.

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

[...]

> base-commit: d2639bb054c42db5ff15c56902d1113303f5b655
> prerequisite-patch-id: 0aa359f6144c4015c140c8a6750be19099c676fb
> prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
> prerequisite-patch-id: cbc453ee02fae02af22fbfdce56ab732c7a88c36
> -- 

This is a disadvantage of format.useAutoBase = true. I find that have to
do `git branch --set-upstream-to=$foo` more often than I would like...

At least it seems that patchwork ignores these so that's OK.

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat