linux-kernel - [RESEND PATCH v3 1/3] usb: musb: create debugfs directory under usb root

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Date:   Wed, 20 Nov 2019 14:43:01 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Cristian Birsan <cristian.birsan@...rochip.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Bin Liu <b-liu@...com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>
Subject: [RESEND PATCH v3 1/3] 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@...iatek.com>
---
v3: no changes

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

diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index f42858e2b54c..7b6281ab62ed 100644
--- 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);
-- 
2.23.0