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-rw-r--r--src/portable/synopsys/dwc2/dcd_dwc2.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c
index 86aa54510..b2f1a93a4 100644
--- a/src/portable/synopsys/dwc2/dcd_dwc2.c
+++ b/src/portable/synopsys/dwc2/dcd_dwc2.c
@@ -1143,7 +1143,12 @@ static void handle_incomplete_iso_in(uint8_t rhport) {
xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, TUSB_DIR_IN);
if (xfer->iso_retry > 0) {
xfer->iso_retry--;
- // Restart ISO transfe: re-write TSIZ and CTL
+ // Restart ISO transfer: re-write DMA address, TSIZ, and CTL
+ #if CFG_TUD_DWC2_DMA_ENABLE
+ if (dma_device_enabled(dwc2)) {
+ epin->diepdma = (uintptr_t) xfer->buffer;
+ }
+ #endif
dwc2_ep_tsize_t deptsiz = {.value = 0};
deptsiz.xfer_size = xfer->total_len;
deptsiz.packet_count = tu_div_ceil(xfer->total_len, xfer->max_size);