err.no Git - linux-2.6/blob - include/asm-m68k/fb.h

   1 #ifndef _ASM_FB_H_
   2 #define _ASM_FB_H_
   3
   4 #include <linux/fs.h>
   5 #include <asm/page.h>
   6 #include <asm/setup.h>
   7
   8 #ifdef CONFIG_SUN3
   9 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  10                                 unsigned long off)
  11 {
  12         pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
  13 }
  14 #else
  15 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  16                                 unsigned long off)
  17 {
  18         if (CPU_IS_020_OR_030)
  19                 pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
  20         if (CPU_IS_040_OR_060) {
  21                 pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
  22                 /* Use no-cache mode, serialized */
  23                 pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
  24         }
  25 }
  26 #endif /* CONFIG_SUN3 */
  27
  28 #endif /* _ASM_FB_H_ */