1#ifndef _ASM_FB_H_ 2#define _ASM_FB_H_ 3 4#include <linux/fb.h> 5#include <linux/fs.h> 6#include <linux/efi.h> 7#include <asm/page.h> 8 9static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, 10 unsigned long off) 11{ 12 if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) 13 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); 14 else 15 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 16} 17 18static inline int fb_is_primary_device(struct fb_info *info) 19{ 20 return 0; 21} 22 23#endif /* _ASM_FB_H_ */ 24