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yaml --- r: 167195 b: refs/heads/master c: 59bd00c h: refs/heads/master i: 167193: eeb5a98 167191: fd40a5a v: v3
git-mirror · Oct 8, 2009 · 6ef55dd · 6ef55dd
1 parent 12af43a
commit 6ef55dd
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Showing 3 changed files with 18 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4a7bcb4fe96824f882d126dc39df9ba658a29372
+refs/heads/master: 59bd00c85012af2b59ba8c1b47caaf10ccbfa3b1
diff --git a/trunk/arch/blackfin/include/asm/pgtable.h b/trunk/arch/blackfin/include/asm/pgtable.h
@@ -98,6 +98,12 @@ extern unsigned int kobjsize(const void *objp);
 #define	VMALLOC_START	0
 #define	VMALLOC_END	0xffffffff
 
+/* provide a special get_unmapped_area for framebuffer mmaps of nommu */
+extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
+					  unsigned long, unsigned long,
+					  unsigned long);
+#define HAVE_ARCH_FB_UNMAPPED_AREA
+
 #include <asm-generic/pgtable.h>
 
 #endif				/* _BLACKFIN_PGTABLE_H */
diff --git a/trunk/arch/blackfin/kernel/sys_bfin.c b/trunk/arch/blackfin/kernel/sys_bfin.c
@@ -69,3 +69,14 @@ asmlinkage void *sys_dma_memcpy(void *dest, const void *src, size_t len)
 {
 	return safe_dma_memcpy(dest, src, len);
 }
+
+#if defined(CONFIG_FB) || defined(CONFIG_FB_MODULE)
+#include <linux/fb.h>
+unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr,
+	unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+	struct fb_info *info = filp->private_data;
+	return (unsigned long)info->screen_base;
+}
+EXPORT_SYMBOL(get_fb_unmapped_area);
+#endif