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

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Date:	Tue, 12 Apr 2011 02:18:28 +0530
From:	Keshava Munegowda <keshava_mgowda@...com>
To:	Steve Sakoman <sakoman@...il.com>,
	Steve Calfee <stevecalfee@...il.com>
Cc:	Dmitry Artamonow <mad_soft@...ox.ru>, 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

> -----Original Message-----
> From: Steve Sakoman [mailto:sakoman@...il.com]
> Sent: Tuesday, April 12, 2011 1:43 AM
> To: Steve Calfee
> Cc: Dmitry Artamonow; Keshava Munegowda; Felipe Balbi;
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

Sorry guys! I will work on it coming week; currently I am in travel.

Well, regulator is not removed, its moved to usbhs core driver in
/driver/mfd/omap xx usb xxx host.c

Regards
Keshava Munegowda
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