linux-kernel - Re: [PATCH 5/7] usb: ohci-platform: Enable optional use of reset controller

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Message-ID: <20140507220317.GD7047@lukather>
Date:	Wed, 7 May 2014 17:03:17 -0500
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	Emilio Lopez <emilio@...pez.com.ar>,
	Mike Turquette <mturquette@...aro.org>,
	stern@...land.harvard.edu, kishon@...com, hdegoede@...hat.com,
	Boris Brezillon <boris@...e-electrons.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-usb@...r.kernel.org, kevin.z.m.zh@...il.com,
	sunny@...winnertech.com, shuge@...winnertech.com,
	zhuzhenhua@...winnertech.com, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 5/7] usb: ohci-platform: Enable optional use of reset
 controller

On Wed, May 07, 2014 at 08:26:39PM +0400, Sergei Shtylyov wrote:
> Hello.
> 
> On 07-05-2014 7:50, Maxime Ripard wrote:
> 
> >The OHCI controllers used in the Allwinner A31 are asserted in reset using a
> 
>    s/asserted/powered up/?

No. There's an external reset controller that maintains these devices
into reset. It's not only a power on thing, it can also be put back
into reset later in the life of the system.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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