diff options
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index 13431ee1d..cb4768a5e 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -419,7 +419,8 @@ static void edpt_schedule_packets(uint8_t rhport, const uint8_t epnum, const uin const uint16_t xferred_bytes = epin_write_tx_fifo(rhport, epnum); // Enable TXFE interrupt if there are still data to be sent - if (xfer->total_len - xferred_bytes > 0) { + // EP0 only sends one packet at a time, so no need to check for EP0 + if ((epnum != 0) && (xfer->total_len - xferred_bytes > 0)) { dwc2->diepempmsk |= (1u << epnum); } } |