x86: apl: Take advantage of the of-platdata parent support

Now that parent devices are supported with of-platadata, we don't need the
messy code to fix up the parent pointers and allocations on Apollo Lake.
Put the code behind a condition.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 14 insertions, 13 deletions

diff --git a/drivers/misc/p2sb-uclass.c b/drivers/misc/p2sb-uclass.c
index b5219df46b..12abcff2da 100644
--- a/drivers/misc/p2sb-uclass.c
+++ b/drivers/misc/p2sb-uclass.c
@@ -174,19 +174,20 @@ int p2sb_set_port_id(struct udevice *dev, int portid)
 	if (!CONFIG_IS_ENABLED(OF_PLATDATA))
 		return -ENOSYS;
 
-	uclass_find_first_device(UCLASS_P2SB, &ps2b);
-	if (!ps2b)
-		return -EDEADLK;
-	dev->parent = ps2b;
-
-	/*
-	 * We must allocate this, since when the device was bound it did not
-	 * have a parent.
-	 * TODO(sjg@chromium.org): Add a parent pointer to child devices in dtoc
-	 */
-	dev->parent_platdata = malloc(sizeof(*pplat));
-	if (!dev->parent_platdata)
-		return -ENOMEM;
+	if (!CONFIG_IS_ENABLED(OF_PLATDATA_PARENT)) {
+		uclass_find_first_device(UCLASS_P2SB, &ps2b);
+		if (!ps2b)
+			return -EDEADLK;
+		dev->parent = ps2b;
+
+		/*
+		 * We must allocate this, since when the device was bound it did
+		 * not have a parent.
+		 */
+		dev->parent_platdata = malloc(sizeof(*pplat));
+		if (!dev->parent_platdata)
+			return -ENOMEM;
+	}
 	pplat = dev_get_parent_platdata(dev);
 	pplat->pid = portid;