[PATCH 17/18] arch/sparc: Implement <asm/fb.h> with generic helpers

From: Thomas Zimmermann
Date: Wed Apr 05 2023 - 11:07:07 EST


Replace the architecture's fb_pgprotect() with the generic one
from <asm-generic/fb.h> on 32-bit builds. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
---
arch/sparc/include/asm/fb.h | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h
index e4ef1955b2b6..da411d77bafb 100644
--- a/arch/sparc/include/asm/fb.h
+++ b/arch/sparc/include/asm/fb.h
@@ -5,18 +5,22 @@
#include <linux/fs.h>

#include <asm/page.h>
-#include <asm/prom.h>

struct fb_info;
+struct file;

+#ifdef CONFIG_SPARC64
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
unsigned long off)
{
-#ifdef CONFIG_SPARC64
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#endif
}
+#define fb_pgprotect fb_pgprotect
+#endif

int fb_is_primary_device(struct fb_info *info);
+#define fb_is_primary_device fb_is_primary_device
+
+#include <asm-generic/fb.h>

#endif /* _SPARC_FB_H_ */
--
2.40.0