[U-Boot] [RFC PATCH] usb: kbd: add transfer error interrupt handling

Marek Vasut marex at denx.de
Sat Apr 11 18:44:46 CEST 2015


On Saturday, April 11, 2015 at 07:47:37 AM, Stephen Warren wrote:
> On 04/10/2015 09:07 PM, Stephen Warren wrote:
> > If the USB transfer fails or otherwise returns no data, don't process the
> > (non-existent) reponse data and generate keypresses from it. Doing so
> > makes each successful transaction appear to be a new keypress, which
> > results in ridiculously fast key repeat rates.
> > 
> > FIXME: This breaks USB keyboard on at least NVIDIA Tegra Seaboard, hence
> > why this is an RFC.
> 
> I've tracked down the issue here, and it looks like I can replace this
> patch with a patch to DWC2. So, ignore this patch and I'll post the DWC2
> patch soon; it's working now but I need to add a timeout to a loop and
> do some more testing.

Roger. I just got to handling my ML traffic now. Sorry for the delays!

Best regards,
Marek Vasut


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