linux-kernel - Re: [PATCH] usb: merge the two dummy

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Message-ID: <4DB69D6B.9060106@linutronix.de>
Date:	Tue, 26 Apr 2011 12:24:43 +0200
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Tanya Brokhman <tlinder@...eaurora.org>
CC:	'Alan Stern' <stern@...land.harvard.edu>,
	'Felipe Balbi' <balbi@...com>, gregkh@...e.de,
	linux-arm-msm@...r.kernel.org, ablay@...eaurora.org,
	"'open list:USB GADGET/PERIPH...'" <linux-usb@...r.kernel.org>,
	'open list' <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: merge the two dummy_hcds into one

Tanya Brokhman wrote:
>> This will means creating only one host-side platform device, and then
>> creating two usb_hcd structures below it.  Tanya's design should be
>> based on Sarah's work.
>>
> 
> Hi Alan

Hi Tanya,

> Thank you for your inputs. I'm not familiar with Sarah's work you mentioned.
> I'll have to look into that. Could you please point me to where I can find
> this code? Has it been merged into linux-next yet or just posted on the
> mailing list?

Please take a look at xhci_pci_probe() where usb_create_shared_hcd() is
used. It was introduced by

commit f6ff0ac878eb420011fa2448851dd48c3a7e7b31
Author: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Date:   Thu Dec 16 11:21:10 2010 -0800

     xhci: Register second xHCI roothub.

in v2.6.39-rc1.

Sebastian
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