diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-10-24 18:13:58 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-25 09:08:08 +0200 |
| commit | 7c2eaca4efa46e02caaec4ca7ddf05a6e461da94 (patch) | |
| tree | a59fcec676b1f1c4ba6438636db145fa28ec7666 /hw/usb/hcd-uhci.c | |
| parent | 00a0770de3ddb803a0f81f6aea40b0f945154a68 (diff) | |
| download | qemu-7c2eaca4efa46e02caaec4ca7ddf05a6e461da94.tar.gz | |
uhci: Move checks to continue queuing to uhci_fill_queue()
Rather then having a special check to start queuing after the first packet,
and then another check for the other packets in uhci_fill_queue(), simply
check the previous packet beforehand in uhci_fill_queue()
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-uhci.c')
| -rw-r--r-- | hw/usb/hcd-uhci.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index 671c712112..600d095573 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -991,7 +991,8 @@ static void uhci_fill_queue(UHCIState *s, UHCI_TD *td) UHCI_TD ptd; int ret; - while (is_valid(plink)) { + ptd.ctrl = td->ctrl; + while (is_valid(plink) && !(ptd.ctrl & TD_CTRL_SPD)) { pci_dma_read(&s->dev, plink & ~0xf, &ptd, sizeof(ptd)); le32_to_cpus(&ptd.link); le32_to_cpus(&ptd.ctrl); @@ -1010,9 +1011,6 @@ static void uhci_fill_queue(UHCIState *s, UHCI_TD *td) } assert(ret == TD_RESULT_ASYNC_START); assert(int_mask == 0); - if (ptd.ctrl & TD_CTRL_SPD) { - break; - } plink = ptd.link; } } @@ -1110,9 +1108,7 @@ static void uhci_process_frame(UHCIState *s) case TD_RESULT_ASYNC_START: trace_usb_uhci_td_async(curr_qh & ~0xf, link & ~0xf); - if (is_valid(td.link) && !(td.ctrl & TD_CTRL_SPD)) { - uhci_fill_queue(s, &td); - } + uhci_fill_queue(s, &td); link = curr_qh ? qh.link : td.link; continue; |