For sg use cases, there will be serveral TRBs in TD, and the short transfer
may occur during the TD, current code doesn't handle it well, improve it
through this series. Tested by Android MTP and ADB use case.
Changes for v2:
- Fix some coding style and typo issues. [Patch 1, 2, 3, 5]
- Improve the comments [Patch 6,8]
Peter Chen (8):
usb: cdns3: gadget: using correct sg operations
usb: cdns3: gadget: improve the dump TRB operation at
cdns3_ep_run_transfer
usb: cdns3: gadget: calculate TDL correctly
usb: cdns3: gadget: add CHAIN and ISP bit for sg list use case
usb: cdns3: gadget: handle sg list use case at completion correctly
usb: cdns3: gadget: need to handle sg case for workaround 2 case
usb: cdns3: gadget: sg_support is only for DEV_VER_V2 or above
usb: cdns3: gadget: enlarge the TRB ring length
drivers/usb/cdns3/gadget.c | 202 +++++++++++++++++++++++++------------
drivers/usb/cdns3/gadget.h | 11 +-
2 files changed, 149 insertions(+), 64 deletions(-)
--
2.17.1
