linux-kernel - Re: [PATCH] musb: move usb_add_hcd to the core init code from gadget code (v2)

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Date:	Fri, 30 Jul 2010 12:53:03 +0800
From:	Bryan Wu <bryan.wu@...onical.com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>, felipe.balbi@...ia.com
CC:	linux-usb@...r.kernel.org, kernel-team@...ts.ubuntu.com,
	linux-kernel@...r.kernel.org, ricardo.salveti@...onical.com,
	david-b@...bell.net
Subject: Re: [PATCH] musb: move usb_add_hcd to the core init code from gadget
 code (v2)

On 07/23/2010 11:28 PM, Sergei Shtylyov wrote:
> Hello.
> 
> Bryan Wu wrote:
> 
>> BugLink: http://bugs.launchpad.net/bugs/608312
> 
>> v2:
>> fix the building error on latest 2.6.35-rc kernel, since v1 was
>> generated in
>> 2.6.33 kernel.
> 
>    The remarks about patch changes should follow the --- tear line.
> 

Thanks Sergei, I will take care of it in the future.

Any other comments about this patch?

Felipe, could you please take a look? or need I ping you in the Facebook, -:))

-Bryan

>> v1:
>> usb_add_hcd was only called when we insmod the gadget class module or
>> built-in
>> that gadget class driver. If musb is configured as OTG controller, we
>> need to
>> insmod or built-in gadget class driver to make our Host mode fucntion
>> works.
> 
>> In our Ubuntu system, normally we compiled all the gadget class
>> drivers as
>> modules. Then users can insmod the gadget modules as they want. But
>> without the
>> gadget class driver running, we needs host function to support common USB
>> devices.
> 
>> This patch fix this issue and tested on omap3 beagle board and Gumstix
>> board.
> 
>> Signed-off-by: Bryan Wu <bryan.wu@...onical.com>
> 
> WBR, Sergei
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