diff options
Diffstat (limited to 'hw/usb/hcd-ohci.c')
| -rw-r--r-- | hw/usb/hcd-ohci.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index 7571e9e44a..6a39e9697b 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -807,21 +807,24 @@ static int ohci_service_iso_td(OHCIState *ohci, struct ohci_ed *ed, DMA_DIRECTION_TO_DEVICE); } - if (completion) { - ret = ohci->usb_packet.result; - } else { + if (!completion) { bool int_req = relative_frame_number == frame_count && OHCI_BM(iso_td.flags, TD_DI) == 0; dev = ohci_find_device(ohci, OHCI_BM(ed->flags, ED_FA)); ep = usb_ep_get(dev, pid, OHCI_BM(ed->flags, ED_EN)); usb_packet_setup(&ohci->usb_packet, pid, ep, addr, false, int_req); usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, len); - ret = usb_handle_packet(dev, &ohci->usb_packet); - if (ret == USB_RET_ASYNC) { + usb_handle_packet(dev, &ohci->usb_packet); + if (ohci->usb_packet.status == USB_RET_ASYNC) { usb_device_flush_ep_queue(dev, ep); return 1; } } + if (ohci->usb_packet.status == USB_RET_SUCCESS) { + ret = ohci->usb_packet.actual_length; + } else { + ret = ohci->usb_packet.status; + } #ifdef DEBUG_ISOCH printf("so 0x%.8x eo 0x%.8x\nsa 0x%.8x ea 0x%.8x\ndir %s len %zu ret %d\n", @@ -997,7 +1000,6 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed) } #endif if (completion) { - ret = ohci->usb_packet.result; ohci->async_td = 0; ohci->async_complete = 0; } else { @@ -1017,16 +1019,22 @@ static int ohci_service_td(OHCIState *ohci, struct ohci_ed *ed) usb_packet_setup(&ohci->usb_packet, pid, ep, addr, !flag_r, OHCI_BM(td.flags, TD_DI) == 0); usb_packet_addbuf(&ohci->usb_packet, ohci->usb_buf, pktlen); - ret = usb_handle_packet(dev, &ohci->usb_packet); + usb_handle_packet(dev, &ohci->usb_packet); #ifdef DEBUG_PACKET - DPRINTF("ret=%d\n", ret); + DPRINTF("status=%d\n", ohci->usb_packet.status); #endif - if (ret == USB_RET_ASYNC) { + if (ohci->usb_packet.status == USB_RET_ASYNC) { usb_device_flush_ep_queue(dev, ep); ohci->async_td = addr; return 1; } } + if (ohci->usb_packet.status == USB_RET_SUCCESS) { + ret = ohci->usb_packet.actual_length; + } else { + ret = ohci->usb_packet.status; + } + if (ret >= 0) { if (dir == OHCI_TD_DIR_IN) { ohci_copy_td(ohci, &td, ohci->usb_buf, ret, |