1 files changed, 39 insertions, 0 deletions
diff --git a/arch/mips/include/asm/fb.h b/arch/mips/include/asm/fb.h
new file mode 100644
index 0000000000..18b7226403
--- /dev/null
+++ b/arch/mips/include/asm/fb.h
@@ -0,0 +1,39 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <asm/page.h>
+
+struct file;
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+				unsigned long off)
+{
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+#define fb_pgprotect fb_pgprotect
+
+/*
+ * MIPS doesn't define __raw_ I/O macros, so the helpers
+ * in <asm-generic/fb.h> don't generate fb_readq() and
+ * fb_write(). We have to provide them here.
+ *
+ * TODO: Convert MIPS to generic I/O. The helpers below can
+ *       then be removed.
+ */
+#ifdef CONFIG_64BIT
+static inline u64 fb_readq(const volatile void __iomem *addr)
+{
+	return __raw_readq(addr);
+}
+#define fb_readq fb_readq
+
+static inline void fb_writeq(u64 b, volatile void __iomem *addr)
+{
+	__raw_writeq(b, addr);
+}
+#define fb_writeq fb_writeq
+#endif
+
+#include <asm-generic/fb.h>
+
+#endif /* _ASM_FB_H_ */