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From: Arnd Bergmann <arnd@arndb.de>
To: Arun Ramamurthy <arun.ramamurthy@broadcom.com>
Cc: linux-arm-kernel@lists.infradead.org,
        Alan Stern <stern@rowland.harvard.edu>,
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Subject: Re: [PATCH 1/2] phy: usbphy: Add dt documentation for Broadcom Cygnus USB PHY driver
Date: Wed, 11 Mar 2015 22:47:30 +0100
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On Wednesday 11 March 2015 14:37:58 Arun Ramamurthy wrote:
> On 15-03-10 01:27 PM, Arnd Bergmann wrote:
> > On Wednesday 25 February 2015 16:24:06 Arun Ramamurthy wrote:
> >>>>> Should I run this by Alan Stern?
> >>>>
> >>>> I've added him to Cc here. He clearly didn't know the background about
> >>>> the DT binding change, and should not need to, but he may have an opinion
> >>>> on what names we should use.
> >>>>
> >>>
> >> Arnd, should I re patch the ehci-platform driver to avoid phy-names
> >> entirely? Alan, if not do you have an opinion on what the usb phy names
> >> should be? The current patch uses "usbp" + port number such as "usbp0" ,
> >> "usbp1" etc
> >
> > I think avoiding the phy names would be best here, but it requires a
> > kernel API change first, because we do not have a way to get a phy
> > by index as we do for other subsystems (e.g. clocks or gpios).
> >
> Arnd , there is an existing api _of_phy_get that gets a phy by index. 
> However it is not exported and is called from of_phy_get which is in 
> turn called from devm_of_phy_get.
> 
> My plan is to create a new function maybe devm_of_phy_get_by_index that 
> calls _of_phy_get directly? What are your thoughts?

Sounds good to me.

	Arnd