diff options
| -rw-r--r-- | src/portable/synopsys/dwc2/hcd_dwc2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/portable/synopsys/dwc2/hcd_dwc2.c b/src/portable/synopsys/dwc2/hcd_dwc2.c index 12918a9f7..7fbefff86 100644 --- a/src/portable/synopsys/dwc2/hcd_dwc2.c +++ b/src/portable/synopsys/dwc2/hcd_dwc2.c @@ -950,7 +950,13 @@ static bool handle_channel_in_slave(dwc2_regs_t* dwc2, uint8_t ch_id, uint32_t h xfer->result = XFER_RESULT_SUCCESS; } - channel_disable(dwc2, channel); + if (channel_is_periodic(channel->hcchar) && remain_packets == 0) { + // The core has already halted a completed periodic IN channel. Complete + // it now so the next interval can be submitted without another halt IRQ. + is_done = true; + } else { + channel_disable(dwc2, channel); + } } else if (hcint & (HCINT_XACT_ERR | HCINT_BABBLE_ERR | HCINT_STALL)) { if (hcint & HCINT_STALL) { xfer->result = XFER_RESULT_STALLED; |