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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_FB_H_
- #define _ASM_FB_H_
- #include <linux/fb.h>
- #include <linux/fs.h>
- #include <asm/page.h>
- #include <asm/setup.h>
- #ifdef CONFIG_MMU
- #ifdef CONFIG_SUN3
- static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
- unsigned long off)
- {
- pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
- }
- #else
- static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
- unsigned long off)
- {
- if (CPU_IS_020_OR_030)
- pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
- if (CPU_IS_040_OR_060) {
- pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
- /* Use no-cache mode, serialized */
- pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
- }
- }
- #endif /* CONFIG_SUN3 */
- #else
- #define fb_pgprotect(...) do {} while (0)
- #endif /* CONFIG_MMU */
- static inline int fb_is_primary_device(struct fb_info *info)
- {
- return 0;
- }
- #endif /* _ASM_FB_H_ */
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