linux-kernel - Re: [PATCH v3 06/19] arch/loongarch: Implement <asm/fb.h> with generic helpers

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Date:   Wed, 28 Jun 2023 18:26:08 +0800
From:   WANG Xuerui <kernel@...0n.name>
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,
        Huacai Chen <chenhuacai@...nel.org>
Subject: Re: [PATCH v3 06/19] arch/loongarch: Implement <asm/fb.h> with
 generic helpers

Hi,

On 2023/4/17 20:56, Thomas Zimmermann wrote:
> Replace the architecture's fbdev helpers with the generic
> ones from <asm-generic/fb.h>. No functional changes.
> 
> v2:
> 	* use default implementation for fb_pgprotect() (Arnd)
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: Huacai Chen <chenhuacai@...nel.org>
> Cc: WANG Xuerui <kernel@...0n.name>
> ---
>   arch/loongarch/include/asm/fb.h | 15 +--------------
>   1 file changed, 1 insertion(+), 14 deletions(-)
> 
> diff --git a/arch/loongarch/include/asm/fb.h b/arch/loongarch/include/asm/fb.h
> index 3116bde8772d..ff82f20685c8 100644
> --- a/arch/loongarch/include/asm/fb.h
> +++ b/arch/loongarch/include/asm/fb.h
> @@ -5,19 +5,6 @@
>   #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,
> -				unsigned long off)
> -{
> -	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
> -}
> -
> -static inline int fb_is_primary_device(struct fb_info *info)
> -{
> -	return 0;
> -}
> +#include <asm-generic/fb.h>
>   
>   #endif /* _ASM_FB_H_ */

Sorry for the late review. The change is fairly trivial, so:

Reviewed-by: WANG Xuerui <git@...0n.name>

Thanks!

-- 
WANG "xen0n" Xuerui

Linux/LoongArch mailing list: https://lore.kernel.org/loongarch/