Re: [PATCH v2 0/3] usb: gadget: uvc: improve uvc gadget performance

[Greg KH <greg@kroah.com>]

<again, please fix your email headers, you didn't have anyone on To:>

On Mon, May 31, 2021 at 12:30:38AM +0200, Michael Grzeschik wrote:
> This series improves the performance of the uvc video gadget by adding a
> zero copy routine using the scatter list interface of the gadget. The
> series also increases the amount of allocated requests depending of the
> speed and it also reduces the interrupt load by only trigger on every
> 16th request in case of super-speed.
> 
> Michael Grzeschik (3):
>   usb: gadget: uvc: make uvc_num_requests depend on gadget speed
>   usb: gadget: uvc: add scatter gather support
>   usb: gadget: uvc: decrease the interrupt load to a quarter
> 
>  drivers/usb/gadget/Kconfig              |   1 +
>  drivers/usb/gadget/function/f_uvc.c     |   1 +
>  drivers/usb/gadget/function/uvc.h       |  15 ++-
>  drivers/usb/gadget/function/uvc_queue.c |  30 ++++-
>  drivers/usb/gadget/function/uvc_queue.h |   5 +-
>  drivers/usb/gadget/function/uvc_video.c | 150 +++++++++++++++++++-----
>  6 files changed, 168 insertions(+), 34 deletions(-)

Please fix up the kbuild issues before resending.

thanks,

greg k-h