Call __phys_mem_access_prot() from the fbdev mmap helper fb_pgprotect().
Allows us to avoid the file argument, which can then be removed from
fB_pgprotect() entirely. No other architecture uses the parameter.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
 arch/powerpc/include/asm/fb.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/fb.h b/arch/powerpc/include/asm/fb.h
index 5f1a2e5f7654..0f1fe1310924 100644
--- a/arch/powerpc/include/asm/fb.h
+++ b/arch/powerpc/include/asm/fb.h
@@ -9,9 +9,9 @@
 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
                                unsigned long off)
 {
-       vma->vm_page_prot = phys_mem_access_prot(file, off >> PAGE_SHIFT,
-                                                vma->vm_end - vma->vm_start,
-                                                vma->vm_page_prot);
+       vma->vm_page_prot = __phys_mem_access_prot(PHYS_PFN(off),
+                                                  vma->vm_end - vma->vm_start,
+                                                  vma->vm_page_prot);
 }
 #define fb_pgprotect fb_pgprotect
 
-- 
2.41.0

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