linux-kernel - Re: [PATCH v7 5/9] ARM: OMAP: USB: Add phy binding information

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Message-ID: <20130618102725.GB7843@arwen.pp.htv.fi>
Date:	Tue, 18 Jun 2013 13:27:25 +0300
From:	Felipe Balbi <balbi@...com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	<balbi@...com>, <grant.likely@...aro.org>, <tony@...mide.com>,
	<arnd@...db.de>, <swarren@...dia.com>,
	<sylvester.nawrocki@...il.com>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <gregkh@...uxfoundation.org>,
	<akpm@...ux-foundation.org>, <rob.herring@...xeda.com>,
	<rob@...dley.net>, <b-cousson@...com>, <linux@....linux.org.uk>,
	<benoit.cousson@...aro.org>, <mchehab@...hat.com>,
	<cesarb@...arb.net>, <davem@...emloft.net>, <rnayak@...com>,
	<shawn.guo@...aro.org>, <santosh.shilimkar@...com>,
	<devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>,
	<nsekhar@...com>
Subject: Re: [PATCH v7 5/9] ARM: OMAP: USB: Add phy binding information

Hi,

On Tue, Jun 18, 2013 at 03:34:36PM +0530, Kishon Vijay Abraham I wrote:
> On Tuesday 18 June 2013 03:14 PM, Felipe Balbi wrote:
> >On Thu, Jun 13, 2013 at 02:13:55PM +0530, Kishon Vijay Abraham I wrote:
> >>In order for controllers to get PHY in case of non dt boot, the phy
> >>binding information (phy device name) should be added in the platform
> >>data of the controller.
> >>
> >>Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> >
> >I would rather not pass strings around, any other way to handle this ?
> >Why do you need to pass this string ?
> 
> Our old way of binding the controller and the phy using device name
> started creating problems after the devices are created using
> PLATFORM_DEVID_AUTO. Infact non-dt boot is broken in mainline for
> OMAP3 platforms for which I have posted a RFC series
> http://www.serverphorums.com/read.php?12,708632 which also uses
> strings.
> I'm not sure of any other way to deal with this.

have you checked how other frameworks handle it ? Regulator has some
sort of binding in board-files, but I guess it passes the regulator
name?

-- 
balbi

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