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Message-ID: <20190410102415.GH20058@kuha.fi.intel.com> Date: Wed, 10 Apr 2019 13:24:15 +0300 From: Heikki Krogerus <heikki.krogerus@...ux.intel.com> To: Chunfeng Yun <chunfeng.yun@...iatek.com> Cc: Rob Herring <robh+dt@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Mark Rutland <mark.rutland@....com>, Matthias Brugger <matthias.bgg@...il.com>, Adam Thomson <Adam.Thomson.Opensource@...semi.com>, Li Jun <jun.li@....com>, Badhri Jagan Sridharan <badhri@...gle.com>, Hans de Goede <hdegoede@...hat.com>, Andy Shevchenko <andy.shevchenko@...il.com>, Min Guo <min.guo@...iatek.com>, Alan Stern <stern@...land.harvard.edu>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org Subject: Re: [v3 PATCH 6/6] usb: mtu3: register a USB Role Switch for dual role mode On Wed, Apr 03, 2019 at 10:09:14AM +0800, Chunfeng Yun wrote: > +static int ssusb_role_sw_register(struct otg_switch_mtk *otg_sx) > +{ > + struct usb_role_switch_desc role_sx_desc = { 0 }; > + struct ssusb_mtk *ssusb = > + container_of(otg_sx, struct ssusb_mtk, otg_switch); > + > + if (!otg_sx->role_sw_used) > + return 0; > + > + role_sx_desc.set = ssusb_role_sw_set; > + role_sx_desc.get = ssusb_role_sw_get; role_sw_desc.fwnode = dev_fwnode(ssusb->dev); > + otg_sx->role_sw = usb_role_switch_register(ssusb->dev, &role_sx_desc); > + > + return PTR_ERR_OR_ZERO(otg_sx->role_sw); > +} thanks, -- heikki
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