forked from luck/tmp_suning_uos_patched
10eb2659cc
Move arch-specific bits of fb_mmap() to their respective subdirectories [bob.picco@hp.com: efi_range_is_wc is referenced but not declared] [bunk@stusta.de: fix include/asm-m68k/fb.h] Signed-off-by: Antonino Daplas <adaplas@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
29 lines
693 B
C
29 lines
693 B
C
#ifndef _ASM_FB_H_
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#define _ASM_FB_H_
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#include <linux/fs.h>
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#include <asm/page.h>
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#include <asm/setup.h>
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#ifdef CONFIG_SUN3
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
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}
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#else
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
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unsigned long off)
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{
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if (CPU_IS_020_OR_030)
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
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if (CPU_IS_040_OR_060) {
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pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
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/* Use no-cache mode, serialized */
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pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
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}
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}
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#endif /* CONFIG_SUN3 */
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#endif /* _ASM_FB_H_ */
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