[PATCH v1] usb: dwc3: add device put function to decrement the ref-counted reference

[Stanley Chang <stanley_chang@realtek.com>]

When the function exits, the count should be decremented via
platform_device_put and of_node_put.

Fixes: 34c200483569 ("usb: dwc3: add Realtek DHC RTD SoC dwc3 glue layer driver")
Signed-off-by: Stanley Chang <stanley_chang@realtek.com>
---
 drivers/usb/dwc3/dwc3-rtk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/dwc3/dwc3-rtk.c b/drivers/usb/dwc3/dwc3-rtk.c
index 590028e8fdcb..9d6f2a8bd6ce 100644
--- a/drivers/usb/dwc3/dwc3-rtk.c
+++ b/drivers/usb/dwc3/dwc3-rtk.c
@@ -187,6 +187,7 @@ static enum usb_device_speed __get_dwc3_maximum_speed(struct device_node *np)
 
 	ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed);
 
+	of_node_put(dwc3_np);
 	return (ret < 0) ? USB_SPEED_UNKNOWN : ret;
 }
 
@@ -339,6 +340,8 @@ static int dwc3_rtk_probe_dwc3_core(struct dwc3_rtk *rtk)
 
 	switch_usb2_role(rtk, rtk->cur_role);
 
+	platform_device_put(dwc3_pdev);
+	of_node_put(dwc3_node);
 	return 0;
 
 err_pdev_put:
-- 
2.34.1