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arch/parisc: Implement <asm/fb.h> with generic helpers

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Replace the architecture's fbdev helpers with the generic ones
from <asm-generic/fb.h>. On PARISC, pgprot_writecombine() and
pgprot_noncached() are the same; hence no functional changes.

v3:
	* use default implementation for fb_pgprotect() (Arnd)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230417125651.25126-15-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-04-17 14:56:46 +02:00
parent cf41d18b72
commit f3424d2876
1 changed files with 4 additions and 14 deletions
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18
arch/parisc/include/asm/fb.h
View File

@ -2,23 +2,13 @@
#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)
{
pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
}
struct fb_info;
#if defined(CONFIG_STI_CORE)
int fb_is_primary_device(struct fb_info *info);
#else
static inline int fb_is_primary_device(struct fb_info *info)
{
return 0;
}
#define fb_is_primary_device fb_is_primary_device
#endif
#include <asm-generic/fb.h>
#endif /* _ASM_FB_H_ */