[PATCH v3 07/13] usb: dwc2: create debugfs directory under usb root

[Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>]

Now the USB gadget subsystem can use the USB debugfs root directory,
so move dwc2's directory from the root of the debugfs filesystem into
the root of usb

Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
---
v3: no changes

v2:
  1. abandon new API usb_debugfs_create_dir(), and use usb_debug_root
---
 drivers/usb/dwc2/debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c
index 7f62f4cdc265..b8f2790abf91 100644
--- a/drivers/usb/dwc2/debugfs.c
+++ b/drivers/usb/dwc2/debugfs.c
@@ -770,7 +770,7 @@ int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
 	int			ret;
 	struct dentry		*root;
 
-	root = debugfs_create_dir(dev_name(hsotg->dev), NULL);
+	root = debugfs_create_dir(dev_name(hsotg->dev), usb_debug_root);
 	hsotg->debug_root = root;
 
 	debugfs_create_file("params", 0444, root, hsotg, &params_fops);
-- 
2.23.0