debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/video/fbdev/pmag-aa-fb.c
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@@ -147,7 +147,7 @@
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 	return 0;
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 }
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-static struct fb_ops aafb_ops = {
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+static const struct fb_ops aafb_ops = {
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 	.owner		= THIS_MODULE,
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 	.fb_blank	= aafb_blank,
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 	.fb_fillrect	= cfb_fillrect,
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@@ -165,10 +165,8 @@
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 	int err;
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 	info = framebuffer_alloc(sizeof(struct aafb_par), dev);
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-	if (!info) {
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-		printk(KERN_ERR "%s: Cannot allocate memory\n", dev_name(dev));
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+	if (!info)
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 		return -ENOMEM;
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-	}
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 	par = info->par;
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 	dev_set_drvdata(dev, info);
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@@ -190,7 +188,7 @@
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 	/* MMIO mapping setup. */
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 	info->fix.mmio_start = start + PMAG_AA_BT455_OFFSET;
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-	par->mmio = ioremap_nocache(info->fix.mmio_start, info->fix.mmio_len);
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+	par->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len);
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 	if (!par->mmio) {
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 		printk(KERN_ERR "%s: Cannot map MMIO\n", dev_name(dev));
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 		err = -ENOMEM;
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@@ -201,7 +199,7 @@
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 	/* Frame buffer mapping setup. */
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 	info->fix.smem_start = start + PMAG_AA_ONBOARD_FBMEM_OFFSET;
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-	info->screen_base = ioremap_nocache(info->fix.smem_start,
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+	info->screen_base = ioremap(info->fix.smem_start,
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 					    info->fix.smem_len);
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 	if (!info->screen_base) {
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 		printk(KERN_ERR "%s: Cannot map FB\n", dev_name(dev));