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[v3,07/19] arch/m68k: Merge variants of fb_pgprotect() into single function

Message ID 20230417125651.25126-8-tzimmermann@suse.de (mailing list archive)
State New, archived
Headers show
Series arch: Consolidate <asm/fb.h> | expand

Commit Message

Thomas Zimmermann April 17, 2023, 12:56 p.m. UTC 
Merge all variants of fb_pgprotect() into a single function body.
There are two different cases for MMU systems. For non-MMU systems,
the function body will be empty. No functional changes, but this
will help with the switch to <asm-generic/fb.h>.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
 arch/m68k/include/asm/fb.h | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)
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Patch

diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h
index b86c6e2e26dd..4f96989922af 100644
--- a/arch/m68k/include/asm/fb.h
+++ b/arch/m68k/include/asm/fb.h
@@ -7,17 +7,13 @@ 
 #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)
 {
+#ifdef CONFIG_MMU
+#ifdef CONFIG_SUN3
 	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) {
@@ -25,11 +21,9 @@  static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
 		/* 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)
 {