From: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
The DT node passed for LCD controllers is the "port" node within the
parent device. Detect this and compare the parent node.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/armada/armada_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index fa31589b4fc0..9f2eb02df295 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -181,7 +181,10 @@ static void armada_drm_unbind(struct device *dev)
static int compare_of(struct device *dev, void *data)
{
- return dev->of_node == data;
+ struct device_node *np = data;
+ if (of_node_cmp(np->name, "port") == 0)
+ np = np->parent;
+ return dev->of_node == np;
}
static int compare_dev_name(struct device *dev, void *data)
--
2.19.1
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