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Date:   Tue, 12 Nov 2019 09:28:57 -0600
From:   Bin Liu <b-liu@ti.com>
To:     Chunfeng Yun <chunfeng.yun@mediatek.com>
CC:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Felipe Balbi <balbi@kernel.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Peter Chen <Peter.Chen@nxp.com>,
        Minas Harutyunyan <hminas@synopsys.com>,
        Cristian Birsan <cristian.birsan@microchip.com>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Ludovic Desroches <ludovic.desroches@microchip.com>,
        Kevin Cernekee <cernekee@gmail.com>,
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        <bcm-kernel-feedback-list@broadcom.com>,
        Daniel Mack <daniel@zonque.org>,
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        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
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        Fabio Estevam <festevam@gmail.com>,
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        Matthias Brugger <matthias.bgg@gmail.com>,
        Stephen Boyd <swboyd@chromium.org>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
        Colin Ian King <colin.king@canonical.com>,
        Biju Das <biju.das@bp.renesas.com>,
        Fabrizio Castro <fabrizio.castro@bp.renesas.com>,
        "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        Yangtao Li <tiny.windzz@gmail.com>,
        <linux-media@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
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Subject: Re: [PATCH v2 05/13] usb: musb: create debugfs directory under usb
 root
Message-ID: <20191112152857.GA5853@uda0271908>
Mail-Followup-To: Bin Liu <b-liu@ti.com>,
        Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Felipe Balbi <balbi@kernel.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Peter Chen <Peter.Chen@nxp.com>,
        Minas Harutyunyan <hminas@synopsys.com>,
        Cristian Birsan <cristian.birsan@microchip.com>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Ludovic Desroches <ludovic.desroches@microchip.com>,
        Kevin Cernekee <cernekee@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        bcm-kernel-feedback-list@broadcom.com,
        Daniel Mack <daniel@zonque.org>,
        Haojian Zhuang <haojian.zhuang@gmail.com>,
        Robert Jarzmik <robert.jarzmik@free.fr>,
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        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org
References: <1573541519-28488-1-git-send-email-chunfeng.yun@mediatek.com>
 <1573541519-28488-5-git-send-email-chunfeng.yun@mediatek.com>
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Hi,

On Tue, Nov 12, 2019 at 02:51:51PM +0800, Chunfeng Yun wrote:
> 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

My opinion is this move is unnecessary. I breaks existing debug tools or
documentation which is already published on Internet. 

-Bin.