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-rw-r--r--arch/m68k/include/asm/fb.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h
new file mode 100644
index 000000000..24273fc7a
--- /dev/null
+++ b/arch/m68k/include/asm/fb.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <asm/page.h>
+#include <asm/setup.h>
+
+struct file;
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+ unsigned long off)
+{
+#ifdef CONFIG_MMU
+#ifdef CONFIG_SUN3
+ pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
+#else
+ 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 */
+#endif /* CONFIG_MMU */
+}
+#define fb_pgprotect fb_pgprotect
+
+#include <asm-generic/fb.h>
+
+#endif /* _ASM_FB_H_ */