> > From: Peter Chen [mailto:peter.c...@freescale.com]
> > Sent: 2014年2月25日 12:19
> > To: Neil Zhang
> > Cc: ba...@ti.com; gre...@linuxfoundation.org;
> > linux-usb@vger.kernel.org; linux-ker...@vger.kernel.org
> > Subject: Re: [PATCH 5/6] USB: gadget: m
> -Original Message-
> From: Peter Chen [mailto:peter.c...@freescale.com]
> Sent: 2014年2月25日 12:19
> To: Neil Zhang
> Cc: ba...@ti.com; gre...@linuxfoundation.org; linux-usb@vger.kernel.org;
> linux-ker...@vger.kernel.org
> Subject: Re: [PATCH 5/6] USB: gadget:
On Mon, Feb 24, 2014 at 04:03:15PM +0800, Neil Zhang wrote:
> There is an issue with the add dTD tripwire semaphore (ATDTW bit in
> USBCMD register) that can cause the controller to ignore a dTD that is
> added to a primed endpoint. When this happens, the software can read
> the tripwire bit and th
There is an issue with the add dTD tripwire semaphore (ATDTW bit in
USBCMD register) that can cause the controller to ignore a dTD that is
added to a primed endpoint. When this happens, the software can read
the tripwire bit and the status bit at '1' even though the endpoint
is unprimed.
After exe
