[PATCH 11/20] gpio/rockchip: add of_node for gpiochip

[Jianqun Xu]

The Rockchip GPIO driver will probe before pinctrl and has no parent dt
node, lack of the of_node will cause the driver probe failure.

Signed-off-by: Jianqun Xu <jay.xu@xxxxxxxxxxxxxx>
---
 drivers/gpio/gpio-rockchip.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index b294ef009daf..e36cdbd4bbef 100644
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -588,6 +588,10 @@ static int rockchip_gpiolib_register(struct rockchip_pin_bank *bank)
 	if (!gc->label)
 		return -ENOMEM;
 
+#ifdef CONFIG_OF_GPIO
+	gc->of_node = of_node_get(bank->dev->of_node);
+#endif
+
 	ret = gpiochip_add_data(gc, bank);
 	if (ret) {
 		dev_err(bank->dev, "failed to add gpiochip %s, %d\n",
-- 
2.25.1