linux-kernel - Re: [PATCH] usb: ohci-exynos: Add facility to use phy provided by the generic phy framework

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Date:	Tue, 22 Apr 2014 13:59:43 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Vivek Gautam <gautam.vivek@...sung.com>
cc:	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Kukjin Kim <kgene.kim@...sung.com>, <robh+dt@...nel.org>,
	Jingoo Han <jg1.han@...sung.com>
Subject: Re: [PATCH] usb: ohci-exynos: Add facility to use phy provided by
 the generic phy framework

On Tue, 22 Apr 2014, Vivek Gautam wrote:

> On Thu, Apr 10, 2014 at 6:54 PM, Vivek Gautam <gautam.vivek@...sung.com> wrote:
> > Add support to consume phy provided by Generic phy framework.
> > Keeping the support for older usb-phy intact right now, in order
> > to prevent any functionality break in absence of relevant
> > device tree side change for ohci-exynos.
> > Once we move to new phy in the device nodes for ohci, we can
> > remove the support for older phys.
> 
> Any comments on this please.
> I think whatever the approach we follow, that can be common to both
> ehci-exynos[1], and ohci-exynos, since
> both are needed to move to the new generic phy framework, keeping
> support for older usb-phy
> so as to have smooth transition, in order to avoid any regression.

I lost my copies of the ehci-exynos patch, but probably the same 
comments apply as for the ohci-exynos patch.

Alan Stern

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