1 files changed, 43 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/fb.h b/arch/ia64/include/asm/fb.h
new file mode 100644
index 0000000000..1717b26fd4
--- /dev/null
+++ b/arch/ia64/include/asm/fb.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/compiler.h>
+#include <linux/efi.h>
+#include <linux/string.h>
+
+#include <asm/page.h>
+
+struct file;
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+				unsigned long off)
+{
+	if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start))
+		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+	else
+		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+#define fb_pgprotect fb_pgprotect
+
+static inline void fb_memcpy_fromio(void *to, const volatile void __iomem *from, size_t n)
+{
+	memcpy(to, (void __force *)from, n);
+}
+#define fb_memcpy_fromio fb_memcpy_fromio
+
+static inline void fb_memcpy_toio(volatile void __iomem *to, const void *from, size_t n)
+{
+	memcpy((void __force *)to, from, n);
+}
+#define fb_memcpy_toio fb_memcpy_toio
+
+static inline void fb_memset_io(volatile void __iomem *addr, int c, size_t n)
+{
+	memset((void __force *)addr, c, n);
+}
+#define fb_memset fb_memset_io
+
+#include <asm-generic/fb.h>
+
+#endif /* _ASM_FB_H_ */