| Message ID | 20210628155311.16762-1-m.grzeschik@pengutronix.de (mailing list archive) |
|---|---|
| Headers | show |
| Series | usb: gadget: uvc: improve uvc gadget performance | expand |
I just realized that the previous series already should have been v3 and this v4. However, the changelog of the patches is right and this is the latest version. So there should be no need for resend. Sorry for the mess, next time I will keep better bookkeeping. Michael On Mon, Jun 28, 2021 at 05:53:06PM +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 (5): > usb: dwc3: gadget: set gadgets parent to the right controller > usb: gadget: uvc: make uvc_num_requests depend on gadget speed > usb: gadget: uvc: set v4l2_dev->dev in f_uvc > usb: gadget: uvc: add scatter gather support > usb: gadget: uvc: decrease the interrupt load to a quarter > > drivers/usb/dwc3/gadget.c | 2 +- > 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 | 28 ++++- > drivers/usb/gadget/function/uvc_queue.h | 7 +- > drivers/usb/gadget/function/uvc_video.c | 155 +++++++++++++++++++----- > drivers/usb/gadget/function/uvc_video.h | 2 + > drivers/usb/gadget/legacy/Kconfig | 1 + > 9 files changed, 176 insertions(+), 36 deletions(-) > >-- >2.30.2 > > >