linux-kernel - Re: [PATCH v2 15/19] arch/powerpc: Implement <asm/fb.h> with generic helpers

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Date:   Wed, 12 Apr 2023 16:17:59 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Thomas Zimmermann <tzimmermann@...e.de>, arnd@...db.de,
        daniel.vetter@...ll.ch, deller@....de, javierm@...hat.com,
        gregkh@...uxfoundation.org
Cc:     linux-arch@...r.kernel.org, linux-fbdev@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        loongarch@...ts.linux.dev, linux-m68k@...ts.linux-m68k.org,
        linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
        sparclinux@...r.kernel.org, x86@...nel.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH v2 15/19] arch/powerpc: Implement <asm/fb.h> with
 generic helpers

Thomas Zimmermann <tzimmermann@...e.de> writes:
> Replace the architecture's fb_is_primary_device() with the generic
> one from <asm-generic/fb.h>. No functional changes.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Nicholas Piggin <npiggin@...il.com>
> Cc: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
>  arch/powerpc/include/asm/fb.h | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)

Looks fine.

Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

cheers

> diff --git a/arch/powerpc/include/asm/fb.h b/arch/powerpc/include/asm/fb.h
> index 6541ab77c5b9..5f1a2e5f7654 100644
> --- a/arch/powerpc/include/asm/fb.h
> +++ b/arch/powerpc/include/asm/fb.h
> @@ -2,8 +2,8 @@
>  #ifndef _ASM_FB_H_
>  #define _ASM_FB_H_
>  
> -#include <linux/fb.h>
>  #include <linux/fs.h>
> +
>  #include <asm/page.h>
>  
>  static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
> @@ -13,10 +13,8 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
>  						 vma->vm_end - vma->vm_start,
>  						 vma->vm_page_prot);
>  }
> +#define fb_pgprotect fb_pgprotect
>  
> -static inline int fb_is_primary_device(struct fb_info *info)
> -{
> -	return 0;
> -}
> +#include <asm-generic/fb.h>
>  
>  #endif /* _ASM_FB_H_ */
> -- 
> 2.40.0