From 1c2366298b105824e68e790bff1106e2d4ee2a30 Mon Sep 17 00:00:00 2001
From: Shawn Guo <shawn.guo@freescale.com>
Date: Mon, 14 Apr 2014 10:02:26 +0800
Subject: [PATCH] imx-drm: imx-drm-core: skip components whose parent device is
 disabled

In a board setup which disables LDB device node completely by changing
status to 'disabled', and only enables HDMI device, we're running into
the problem that imx-drm master never succeeds in binding, and hence
HDMI does not come up either.

&ldb {
	status = "disabled";

	lvds-channel@1 {
		...
		status = "okay";
	};
};

The imx-drm-core should really skip the LVDS channels no matter what
lvds-channel's status is, if LDB device is disabled.  Let's consider
such setup a misconfiguration, give a warning in there and not add the
component.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
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