1 files changed, 14 insertions, 62 deletions

diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 7705070191d..d2e19f6dd72 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -76,70 +76,24 @@ int fb_get_color_depth(struct fb_var_screeninfo *var)
 EXPORT_SYMBOL(fb_get_color_depth);
 
 /*
- * Drawing helpers.
+ * Data padding functions.
  */
-void fb_iomove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
-			   u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
-			   u32 height)
-{
-	int i;
-
-	for (i = height; i--; ) {
-		buf->outbuf(info, dst, src, s_pitch);
-		src += s_pitch;
-		dst += d_pitch;
-	}
-}
-
-void fb_sysmove_buf_aligned(struct fb_info *info, struct fb_pixmap *buf,
-			    u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch,
-			    u32 height)
+void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height)
 {
 	int i, j;
 
 	for (i = height; i--; ) {
+		/* s_pitch is a few bytes at the most, memcpy is suboptimal */
 		for (j = 0; j < s_pitch; j++)
 			dst[j] = src[j];
 		src += s_pitch;
 		dst += d_pitch;
 	}
 }
+EXPORT_SYMBOL(fb_pad_aligned_buffer);
 
-void fb_iomove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
-			     u8 *dst, u32 d_pitch, u8 *src, u32 idx,
-			     u32 height, u32 shift_high, u32 shift_low,
-			     u32 mod)
-{
-	u8 mask = (u8) (0xfff << shift_high), tmp;
-	int i, j;
-
-	for (i = height; i--; ) {
-		for (j = 0; j < idx; j++) {
-			tmp = buf->inbuf(info, dst+j);
-			tmp &= mask;
-			tmp |= *src >> shift_low;
-			buf->outbuf(info, dst+j, &tmp, 1);
-			tmp = *src << shift_high;
-			buf->outbuf(info, dst+j+1, &tmp, 1);
-			src++;
-		}
-		tmp = buf->inbuf(info, dst+idx);
-		tmp &= mask;
-		tmp |= *src >> shift_low;
-		buf->outbuf(info, dst+idx, &tmp, 1);
-		if (shift_high < mod) {
-			tmp = *src << shift_high;
-			buf->outbuf(info, dst+idx+1, &tmp, 1);
-		}	
-		src++;
-		dst += d_pitch;
-	}
-}
-
-void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
-			      u8 *dst, u32 d_pitch, u8 *src, u32 idx,
-			      u32 height, u32 shift_high, u32 shift_low,
-			      u32 mod)
+void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, u32 height,
+				u32 shift_high, u32 shift_low, u32 mod)
 {
 	u8 mask = (u8) (0xfff << shift_high), tmp;
 	int i, j;
@@ -166,6 +120,7 @@ void fb_sysmove_buf_unaligned(struct fb_info *info, struct fb_pixmap *buf,
 		dst += d_pitch;
 	}
 }
+EXPORT_SYMBOL(fb_pad_unaligned_buffer);
 
 /*
  * we need to lock this section since fb_cursor
@@ -1040,7 +995,7 @@ static struct file_operations fb_fops = {
 #endif
 };
 
-static struct class_simple *fb_class;
+static struct class *fb_class;
 
 /**
  *	register_framebuffer - registers a frame buffer device
@@ -1066,7 +1021,7 @@ register_framebuffer(struct fb_info *fb_info)
 			break;
 	fb_info->node = i;
 
-	fb_info->class_device = class_simple_device_add(fb_class, MKDEV(FB_MAJOR, i),
+	fb_info->class_device = class_device_create(fb_class, MKDEV(FB_MAJOR, i),
 				    fb_info->device, "fb%d", i);
 	if (IS_ERR(fb_info->class_device)) {
 		/* Not fatal */
@@ -1081,7 +1036,7 @@ register_framebuffer(struct fb_info *fb_info)
 			fb_info->pixmap.size = FBPIXMAPSIZE;
 			fb_info->pixmap.buf_align = 1;
 			fb_info->pixmap.scan_align = 1;
-			fb_info->pixmap.access_align = 4;
+			fb_info->pixmap.access_align = 32;
 			fb_info->pixmap.flags = FB_PIXMAP_DEFAULT;
 		}
 	}	
@@ -1134,7 +1089,7 @@ unregister_framebuffer(struct fb_info *fb_info)
 	registered_fb[i]=NULL;
 	num_registered_fb--;
 	fb_cleanup_class_device(fb_info);
-	class_simple_device_remove(MKDEV(FB_MAJOR, i));
+	class_device_destroy(fb_class, MKDEV(FB_MAJOR, i));
 	return 0;
 }
 
@@ -1197,7 +1152,7 @@ fbmem_init(void)
 	if (register_chrdev(FB_MAJOR,"fb",&fb_fops))
 		printk("unable to get major %d for fb devs\n", FB_MAJOR);
 
-	fb_class = class_simple_create(THIS_MODULE, "graphics");
+	fb_class = class_create(THIS_MODULE, "graphics");
 	if (IS_ERR(fb_class)) {
 		printk(KERN_WARNING "Unable to create fb class; errno = %ld\n", PTR_ERR(fb_class));
 		fb_class = NULL;
@@ -1210,7 +1165,8 @@ module_init(fbmem_init);
 static void __exit
 fbmem_exit(void)
 {
-	class_simple_destroy(fb_class);
+	class_destroy(fb_class);
+	unregister_chrdev(FB_MAJOR, "fb");
 }
 
 module_exit(fbmem_exit);
@@ -1357,10 +1313,6 @@ EXPORT_SYMBOL(fb_set_var);
 EXPORT_SYMBOL(fb_blank);
 EXPORT_SYMBOL(fb_pan_display);
 EXPORT_SYMBOL(fb_get_buffer_offset);
-EXPORT_SYMBOL(fb_iomove_buf_unaligned);
-EXPORT_SYMBOL(fb_iomove_buf_aligned);
-EXPORT_SYMBOL(fb_sysmove_buf_unaligned);
-EXPORT_SYMBOL(fb_sysmove_buf_aligned);
 EXPORT_SYMBOL(fb_set_suspend);
 EXPORT_SYMBOL(fb_register_client);
 EXPORT_SYMBOL(fb_unregister_client);