> > Peter Chen <peter.chen@xxxxxxx> writes: > > > It needs to use request->num_mapped_sgs to indicate mapped sg number, > > the request->num_sgs is the sg number before the mapping. These two > > entries have different values for the platforms which iommu or swiotlb > > is used. Besides, it needs to use correct sg APIs for mapped sg list > > for TRB assignment. > > > > Signed-off-by: Peter Chen <peter.chen@xxxxxxx> > > fails to apply to my testing/next > > checking file drivers/usb/cdns3/gadget.c Hunk #1 succeeded at 1099 (offset 1 > line). > Hunk #2 succeeded at 1165 (offset 1 line). > Hunk #3 FAILED at 1176. > Hunk #4 succeeded at 1221 with fuzz 2 (offset 1 line). > 1 out of 4 hunks FAILED > It could work now, I think the possible reason is you have already applied other cdns3 patches during these two hours. My git log likes below: ca71afbe0c52 (HEAD -> felipe_testing_next) usb: cdns3: gadget: enlarge the TRB ring length 50599e28f626 usb: cdns3: gadget: sg_support is only for DEV_VER_V2 or above ed1e5b0fe5b2 usb: cdns3: gadget: need to handle sg case for workaround 2 case 95c952507262 usb: cdns3: gadget: handle sg list use case at completion correctly 9d45b67cf0c3 usb: cdns3: gadget: add CHAIN and ISP bit for sg list use case 28e5fd2c3fae usb: cdns3: gadget: calculate TDL correctly f57692f1a9a4 usb: cdns3: gadget: improve the dump TRB operation at cdns3_ep_run_transfer 5f94832916b5 usb: cdns3: gadget: using correct sg operations bed7c9e9a5aa (felipe/testing/next) usb: dwc3: gadget: Rename misleading function names 3d7ce113c2d0 usb: dwc3: gadget: Refactor preparing last TRBs 43365b1e90af usb: dwc3: gadget: Set IOC if not enough for extra TRBs ea52ca3fdefb usb: dwc3: gadget: Check for number of TRBs prepared e6ccecf58b1b usb: dwc3: gadget: Return the number of prepared TRBs Thanks, Peter