linux-kernel - Re: [RFC PATCH 1/6] usb: otg: Add an API to bind the USB controller and PHY

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Date:	Fri, 18 Jan 2013 13:48:43 +0200
From:	Felipe Balbi <balbi@...com>
To:	kishon <kishon@...com>
CC:	Roger Quadros <rogerq@...com>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <linux-sh@...r.kernel.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <balbi@...com>,
	<grant.likely@...retlab.ca>, <rob.herring@...xeda.com>,
	<rob@...dley.net>, <b-cousson@...com>, <tony@...mide.com>,
	<linux@....linux.org.uk>, <horms@...ge.net.au>,
	<magnus.damm@...il.com>, <cbou@...l.ru>, <dwmw2@...radead.org>,
	<alexander.shishkin@...ux.intel.com>, <gregkh@...uxfoundation.org>,
	<leoli@...escale.com>, <eric.y.miao@...il.com>,
	<haojian.zhuang@...il.com>, <stern@...land.harvard.edu>
Subject: Re: [RFC PATCH 1/6] usb: otg: Add an API to bind the USB controller
 and PHY

On Thu, Jan 17, 2013 at 04:44:52PM +0530, kishon wrote:
> >>@@ -171,6 +188,11 @@ static inline void devm_usb_put_phy(struct device *dev, struct usb_phy *x)
> >>  {
> >>  }
> >>
> >>+static inline struct usb_phy_bind *usb_bind_phy(const char *dev_name, u8 index,
> >>+				const char *phy_dev_name)
> >>+{
> >>+	return NULL;
> >>+}
> >>  #endif
> >>
> >>  static inline int
> >>
> >
> >Controllers like ehci-omap which don't need OTG functionality would
> >benefit from this API. Can we make these PHY APIs not dependent on OTG /
> >OTG_UTILS?
> 
> Actually much of whatever is in otg.c can be used by controllers
> which don't have OTG functionality (except otg_state_string). I
> vaguely remember, there was a patch that renamed otg.c to phy.c etc..
> I'm not sure what happened to that.

right, that has to be done eventually ;-)

-- 
balbi

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