usb: musb: create debugfs directory under usb root

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

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1574232183-5760-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index f42858e..7b6281a 100644 (file)
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -325,7 +325,7 @@ void musb_init_debugfs(struct musb *musb)
 {
        struct dentry *root;
 
-       root = debugfs_create_dir(dev_name(musb->controller), NULL);
+       root = debugfs_create_dir(dev_name(musb->controller), usb_debug_root);
        musb->debugfs_root = root;
 
        debugfs_create_file("regdump", S_IRUGO, root, musb, &musb_regdump_fops);