diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-03-09 11:15:41 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-03-13 10:15:32 +0100 |
| commit | 4efe4ef3b8f7530c5a62e23630ba3d439cd82ee6 (patch) | |
| tree | c98d667dd69df62e0d6b34ca92fa8bbbf6369c2b | |
| parent | 0cd178ca2cabf94e7acaa64eca6714f966edaa0d (diff) | |
uhci: new uhci_handle_td return code for tds still in flight
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | hw/usb/hcd-uhci.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index fd50be11a3..8e34961859 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -81,7 +81,8 @@ enum { TD_RESULT_STOP_FRAME = 10, TD_RESULT_COMPLETE, TD_RESULT_NEXT_QH, - TD_RESULT_ASYNC, + TD_RESULT_ASYNC_START, + TD_RESULT_ASYNC_CONT, }; typedef struct UHCIState UHCIState; @@ -812,7 +813,7 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in async->queue->valid = 32; if (!async->done) - return TD_RESULT_NEXT_QH; + return TD_RESULT_ASYNC_CONT; uhci_async_unlink(async); goto done; @@ -860,7 +861,7 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *in if (len == USB_RET_ASYNC) { uhci_async_link(async); - return TD_RESULT_ASYNC; + return TD_RESULT_ASYNC_START; } async->packet.result = len; @@ -966,7 +967,7 @@ static void uhci_fill_queue(UHCIState *s, UHCI_TD *td) } trace_usb_uhci_td_queue(plink & ~0xf, ptd.ctrl, ptd.token); ret = uhci_handle_td(s, plink, &ptd, &int_mask); - assert(ret == TD_RESULT_ASYNC); + assert(ret == TD_RESULT_ASYNC_START); assert(int_mask == 0); plink = ptd.link; } @@ -1058,11 +1059,12 @@ static void uhci_process_frame(UHCIState *s) goto out; case TD_RESULT_NEXT_QH: + case TD_RESULT_ASYNC_CONT: trace_usb_uhci_td_nextqh(curr_qh & ~0xf, link & ~0xf); link = curr_qh ? qh.link : td.link; continue; - case TD_RESULT_ASYNC: + case TD_RESULT_ASYNC_START: trace_usb_uhci_td_async(curr_qh & ~0xf, link & ~0xf); if (is_valid(td.link)) { uhci_fill_queue(s, &td); |