Thread (10 messages) 10 messages, 5 authors, 2007-05-17

Re: [PATCH 10/10] [HEADS UP] fbdev: Move arch-specific bits to their respective subdirectories

From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2007-05-17 09:43:46
Also in: lkml

On Thu, 16 May 2007, Antonino A. Daplas wrote:
quoted hunk ↗ jump to hunk
diff --git a/include/asm-m68k/fb.h b/include/asm-m68k/fb.h
new file mode 100644
index 0000000..7d4a28f
--- /dev/null
+++ b/include/asm-m68k/fb.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#include <linux/fs.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+
+#ifdef CONFIG_SUN3
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma)
+{
+	pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
+}
+#elif defined(CONFIG_MMU)
   ^^^^^^^^^^^^^^^^^^^^^^^^^
This can be a plain `#else', as m68knommu hasn't been merged with m68k
(yet :-)
quoted hunk ↗ jump to hunk
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma)
+	if (CPU_IS_020_OR_030)
+		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
+	if (CPU_IS_040_OR_060) {
+		pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
+		/* Use no-cache mode, serialized */
+		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
+	}
+}
+#else
   ^^^^^
So this branch can go away
quoted hunk ↗ jump to hunk
+#warning What do we have to do here??
+#define fb_pgprotect(...) do {} while (0)
+#endif /* CONFIG_SUN3 */
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-m68knommu/fb.h b/include/asm-m68knommu/fb.h
new file mode 100644
index 0000000..dc9d1be
--- /dev/null
+++ b/include/asm-m68knommu/fb.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+
+#warning What do we have to do here??
+#define fb_pgprotect(...) do {} while (0)
+
+#endif /* _ASM_FB_H_ */
If the m68knommu case in fb_mmap() was empty before, it should be empty here
too, so I guess the warning can go away.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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