On 03/26/2014 12:41 PM, Jason Jin wrote:

+	if (!diu_ops.set_pixel_clock) {
+		data->saved_pixel_clock = 0;
+		if (of_address_to_resource(ofdev->dev.of_node, 1, &res))
+			pr_err(KERN_ERR "No pixel clock set func and no pixel node!\n");
+		else {
+			data->pixelclk_ptr > +				devm_ioremap(&ofdev->dev, res.start, resource_size(&res));
+			if (!data->pixelclk_ptr) {
+				pr_err(KERN_ERR "fslfb: could not map pixelclk register!\n");
+				ret = -ENOMEM;
+			} else
+				data->saved_pixel_clock = in_be32(data->pixelclk_ptr);
+		}
+	}

This seems very hackish.  What node does ofdev point to?  I wonder if 
this code should be in the platform file instead.

Also, use dev_info() instead of pr_err, and never use exclamation marks 
in driver messages.