[U-Boot] [PATCH 2/2] usb: dwc2: implement interrupt transfers

[Marek Vasut <marex@denx.de>]

On Saturday, April 11, 2015 at 05:05:22 AM, Stephen Warren wrote:
> As best I can tell, there's no difference between bulk and interrupt
> transfers in terms of how the HW should be programmed, at least given
> that we're executing one transaction at a time rather than scheduling
> them into frames for maximum throughput.
> 
> This patch ends up sharing the toggle bit state between bulk and
> interrupt transfers on a particular EP. However I believe this is fine;
> AFAIK a given EP either uses bulk or interrupt transfers and doesn't mix
> them.
> 
> This patch doesn't do anything with the "interval" parameter for
> interrupt transfers, but then most other USB controller drivers in U-Boot
> don't either.
> 
> It turns out that one of my keyboards is happy to work using control
> transfers but the other only gives non-zero "HID reports" via interrupt
> transfers.
> 
> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>

Applied to u-boot-usb/topic/dwc2, thanks!

Best regards,
Marek Vasut