Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1c236629 authored by Shawn Guo's avatar Shawn Guo Committed by Russell King
Browse files

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: default avatarShawn Guo <shawn.guo@freescale.com>
Acked-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent c509bdc2

drivers/staging/imx-drm/imx-drm-core.c

+5 −0
Original line number Diff line number Diff line
@@ -675,6 +675,11 @@ static int imx_drm_platform_probe(struct platform_device *pdev) 
			if (!remote || !of_device_is_available(remote)) {

				of_node_put(remote);

				continue;

			} else if (!of_device_is_available(remote->parent)) {

				dev_warn(&pdev->dev, "parent device of %s is not available\n",

					 remote->full_name);

				of_node_put(remote);

				continue;

			}



			ret = imx_drm_add_component(&pdev->dev, remote);