From: Paul Mundt <lethal@linux-sh.org>
Date: Tue, 7 Jul 2009 02:44:56 +0000 (+0900)
Subject: video: hitfb: Convert to framebuffer_alloc().
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=684dcd056178a04374c71459dbd2b18c6d958ef7;p=openwrt%2Fstaging%2Fblogic.git

video: hitfb: Convert to framebuffer_alloc().

Follows the sh_mobile_lcdcfb change.

Also fixes up a memory leak with cmap allocation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/drivers/video/hitfb.c b/drivers/video/hitfb.c
index 020db7fc9153..3ae896d55a58 100644
--- a/drivers/video/hitfb.c
+++ b/drivers/video/hitfb.c
@@ -44,9 +44,6 @@ static struct fb_fix_screeninfo hitfb_fix __initdata = {
 	.accel		= FB_ACCEL_NONE,
 };
 
-static u32 pseudo_palette[16];
-static struct fb_info fb_info;
-
 static inline void hitfb_accel_wait(void)
 {
 	while (fb_readw(HD64461_GRCFGR) & HD64461_GRCFGR_ACCSTATUS) ;
@@ -331,6 +328,8 @@ static struct fb_ops hitfb_ops = {
 static int __init hitfb_probe(struct platform_device *dev)
 {
 	unsigned short lcdclor, ldr3, ldvndr;
+	struct fb_info *info;
+	int ret;
 
 	if (fb_get_options("hitfb", NULL))
 		return -ENODEV;
@@ -384,28 +383,50 @@ static int __init hitfb_probe(struct platform_device *dev)
 		break;
 	}
 
-	fb_info.fbops = &hitfb_ops;
-	fb_info.var = hitfb_var;
-	fb_info.fix = hitfb_fix;
-	fb_info.pseudo_palette = pseudo_palette;
-	fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
+	info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
+	if (unlikely(!info))
+		return -ENOMEM;
+
+	info->fbops = &hitfb_ops;
+	info->var = hitfb_var;
+	info->fix = hitfb_fix;
+	info->pseudo_palette = info->par;
+	info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN |
 		FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA;
 
-	fb_info.screen_base = (void *)hitfb_fix.smem_start;
+	info->screen_base = (void *)hitfb_fix.smem_start;
 
-	fb_alloc_cmap(&fb_info.cmap, 256, 0);
+	ret = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (unlikely(ret < 0))
+		goto err_fb;
 
-	if (register_framebuffer(&fb_info) < 0)
-		return -EINVAL;
+	ret = register_framebuffer(info);
+	if (unlikely(ret < 0))
+		goto err;
+
+	platform_set_drvdata(dev, info);
 
 	printk(KERN_INFO "fb%d: %s frame buffer device\n",
-	       fb_info.node, fb_info.fix.id);
+	       info->node, info->fix.id);
+
 	return 0;
+
+err:
+	fb_dealloc_cmap(&info->cmap);
+err_fb:
+	framebuffer_release(info);
+	return ret;
 }
 
 static int __exit hitfb_remove(struct platform_device *dev)
 {
-	return unregister_framebuffer(&fb_info);
+	struct fb_info *info = platform_get_drvdata(dev);
+
+	unregister_framebuffer(info);
+	fb_dealloc_cmap(&info->cmap);
+	framebuffer_release(info);
+
+	return 0;
 }
 
 #ifdef CONFIG_PM