linux-kernel - Re: [PATCH]: fsl usb gadget driver pullup fix

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Date:	Sat, 25 Jul 2009 22:12:31 +0200
From:	Stefani Seibold <stefani@...bold.net>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
Cc:	linux-kernel@...r.kernel.org, leoli@...escale.com,
	tanya.jiang@...escale.com
Subject: Re: [PATCH]: fsl usb gadget driver pullup fix

Hi Guennadi,

 
Am Samstag, den 25.07.2009, 21:44 +0200 schrieb Guennadi Liakhovetski:
> Hi Stefani
> 
> On Fri, 24 Jul 2009, Stefani Seibold wrote:
> 
> > Attached is a small fix for the fsl usb gadget driver. This fix the
> > driver in a way that the usb device will be only "pulled up" on request,
> > like other usb gadget drivers do. 
> > 
> > This is necessary, because the device information is not always
> > available until an application is up and running which provides this
> > datas.
> 
> I can confirm (as well as some others), that there indeed is a problem 
> with the fsl_usb2_udc driver pullup control. If this patch fixes it - 
> great! I cannot verify its correctness by just looking at it, but I might 
> be able to test it on an i.MX31. On which hardware did you test it?
> 

i used it on a self designed mpc834x system, with is build in signal
generators from rohde & schwarz, namely the smb100a, smc100a and
smbv100a.

Regards,
Stefani


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