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

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@suse.de>
Cc: Russell King <linux@armlinux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Helge Deller <deller@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230417125651.25126-4-tzimmermann@suse.de

diff --git a/arch/arm/include/asm/fb.h b/arch/arm/include/asm/fb.h
index d92e99cd8c8aba17b2e80a33beb1ed466af3cea7..ce20a43c30339c8a6a113c8200c709fc98f4f4a2 100644 (file)
--- a/arch/arm/include/asm/fb.h
+++ b/arch/arm/include/asm/fb.h
@@ -1,19 +1,6 @@
 #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_ */