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

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Date:	Mon, 25 Apr 2011 07:16:22 -0700
From:	Steve Sakoman <sakoman@...il.com>
To:	Alan Ott <alan@...nal11.us>
Cc:	Keshava Munegowda <keshava_mgowda@...com>,
	Dmitry Artamonow <mad_soft@...ox.ru>,
	Steve Calfee <stevecalfee@...il.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 25, 2011 at 7:11 AM, Alan Ott <alan@...nal11.us> wrote:
> On 04/24/2011 02:37 AM, Keshava Munegowda wrote:
>>> -----Original Message-----
>>> From: Alan Ott [mailto:alan@...nal11.us]
>>> Sent: Friday, April 22, 2011 6:41 AM
>>> To: Keshava Munegowda
>>> Cc: Dmitry Artamonow; Steve Sakoman; Steve Calfee; 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 04/12/2011 12:20 PM, Keshava Munegowda wrote:
>>>>> Ah, so EHCI/OHCI common code was moved into drivers/mfd... Good.
>>>>> But seems regulators support was lost somewhere during transition -
>> the
>>>>> only mentioning about regulators in omap-usb-host.c is "#include" :
>>>>>
>>>>> mad@...mini:~/kernel-hack/linux-2.6(master)$ grep -i regulator
>>>> drivers/mfd/omap-usb-host.c
>>>> Thanks ! I will add some time next week!
>>> I have confirmed this on my BeagleBoard-xM. 2.6.38 works, but the
>>> 2.6.39-rc4+ head from yesterday did not. It seems that the regulator
>>> does not turn the power on for the USB hub which the ethernet is
>>> attached to.
>>>
>>> I connected this issue to bug 33092 in bugzilla[1].
>>>
>>> Alan.
>>>
>>> [1] https://bugzilla.kernel.org/show_bug.cgi?id=33092
>> I have posted the patches on April 22, 2011.
>> If possible I request you to test this.
>
> Hi Keshava,
>
> If you mean this patch[1], then I tested it against the head and it
> didn't fix my problem. I couldn't convince myself that your patch was
> supposed to be the whole fix to my problem (since it wasn't mentioned on
> this thread) so I didn't reply with my findings. Sorry about that.

Same here.  The real issue (at least for Overo) turned out to be:

https://lkml.org/lkml/2011/4/14/45

Steve
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