linux-kernel - Re: [Regression?] Removed regulator support in ehci-omap

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Message-ID: <BANLkTinDMZ+CyGCmzZu8cSz1L_yFXxm+vg@mail.gmail.com>
Date:	Mon, 11 Apr 2011 13:12:55 -0700
From:	Steve Sakoman <sakoman@...il.com>
To:	Steve Calfee <stevecalfee@...il.com>
Cc:	Dmitry Artamonow <mad_soft@...ox.ru>,
	Keshava Munegowda <keshava_mgowda@...com>,
	Felipe Balbi <balbi@...com>, linux-usb@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Regression?] Removed regulator support in ehci-omap

On Mon, Apr 11, 2011 at 10:06 AM, Steve Calfee <stevecalfee@...il.com> wrote:
> On 04/11/11 02:32, Dmitry Artamonow wrote:
>> Hi, guys!
>>
>> Can anyone explain why regulator support has been removed from ehci-omap
>> driver in commit 19403165 ("usb: host: omap: ehci and ohci simplification")[1]?
>> In 2.6.37/2.6.38 it was enough to apply simple patch[2] adding regulators
>> description to board file to make USB work on omap3evm board (because USB PHY
>> is powered via regulator). But now it won't work anymore in 2.6.39-rc2.
>> BTW, I suspect that this commit also broke USB on omap3pandora board, as it
>> defines "hsusb0" regulator supply in its board file:
>>
> Yes, And Beagleboard xm (and I suspect other beagleboard versions) has
> been broken in 2.6.39rc1+.

FWIW, EHCI is also broken on Overo in both rc1 and rc2.

Steve
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