It's not needed after [1] is applied, because usb_debug_root is created by usb common core but not usbcore now. [1] 812086d362a1 ("USB: move usb debugfs directory creation to the usb common core") Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> --- drivers/usb/mtu3/mtu3_debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c index 3ed666f94dd9..c96e5dab0a48 100644 --- a/drivers/usb/mtu3/mtu3_debugfs.c +++ b/drivers/usb/mtu3/mtu3_debugfs.c @@ -528,7 +528,8 @@ void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb) void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb) { - ssusb->dbgfs_root = debugfs_create_dir(dev_name(ssusb->dev), NULL); + ssusb->dbgfs_root = + debugfs_create_dir(dev_name(ssusb->dev), usb_debug_root); } void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb) -- 2.21.0