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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-03 16:35:26 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-03 16:35:26 +0200 |
commit | b9c92fb4aabb8d93b657d028f7c530d6c42cb630 (patch) | |
tree | 8fdb7274eee9e5a9b619979988171bce6725369b /drivers/usb/dwc3/gadget.c | |
parent | c40b62216c1aecc0dc00faf33d71bd71cb440337 (diff) | |
parent | 672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff) | |
download | linux-b9c92fb4aabb8d93b657d028f7c530d6c42cb630.tar.gz linux-b9c92fb4aabb8d93b657d028f7c530d6c42cb630.tar.bz2 linux-b9c92fb4aabb8d93b657d028f7c530d6c42cb630.zip |
Merge 5.18-rc5 into usb-next
We need the USB fixes in here, and this resolves a merge issue in
drivers/usb/dwc3/drd.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 19477f4bbf54..5b1d79528da3 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -3283,6 +3283,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep, const struct dwc3_event_depevt *event, struct dwc3_request *req, int status) { + int request_status; int ret; if (req->request.num_mapped_sgs) @@ -3303,7 +3304,35 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep, req->needs_extra_trb = false; } - dwc3_gadget_giveback(dep, req, status); + /* + * The event status only reflects the status of the TRB with IOC set. + * For the requests that don't set interrupt on completion, the driver + * needs to check and return the status of the completed TRBs associated + * with the request. Use the status of the last TRB of the request. + */ + if (req->request.no_interrupt) { + struct dwc3_trb *trb; + + trb = dwc3_ep_prev_trb(dep, dep->trb_dequeue); + switch (DWC3_TRB_SIZE_TRBSTS(trb->size)) { + case DWC3_TRBSTS_MISSED_ISOC: + /* Isoc endpoint only */ + request_status = -EXDEV; + break; + case DWC3_TRB_STS_XFER_IN_PROG: + /* Applicable when End Transfer with ForceRM=0 */ + case DWC3_TRBSTS_SETUP_PENDING: + /* Control endpoint only */ + case DWC3_TRBSTS_OK: + default: + request_status = 0; + break; + } + } else { + request_status = status; + } + + dwc3_gadget_giveback(dep, req, request_status); out: return ret; |