[U-Boot] [PATCH] pinctrl: do not set_state for device without valid ofnode

[Kever Yang]

Not all the udevice have a available DT node, eg. rksdmmc at ff500000.blk
which add by mmc_bind(), these device do not have/need set pinctrl
state.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 drivers/pinctrl/pinctrl-uclass.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index 6a73a06..a19c374 100644
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -209,6 +209,12 @@ static int pinctrl_select_state_simple(struct udevice *dev)
 int pinctrl_select_state(struct udevice *dev, const char *statename)
 {
 	/*
+	 * Some device which is logical like mmc.blk, do not have
+	 * a valid ofnode.
+	 */
+	if (!ofnode_valid(dev->node))
+		return 0;
+	/*
 	 * Try full-implemented pinctrl first.
 	 * If it fails or is not implemented, try simple one.
 	 */
-- 
1.9.1