aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/hcd-uhci.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 4a1ea6b436..129792b662 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -101,7 +101,6 @@ struct UHCIAsync {
UHCIQueue *queue;
QTAILQ_ENTRY(UHCIAsync) next;
uint32_t td;
- uint8_t isoc;
uint8_t done;
};
@@ -849,7 +848,6 @@ static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td,
* for initial isochronous requests
*/
async->queue->valid = 32;
- async->isoc = td->ctrl & TD_CTRL_IOS;
max_len = ((td->token >> 21) + 1) & 0x7ff;
pid = td->token & 0xff;
@@ -911,30 +909,9 @@ static void uhci_async_complete(USBPort *port, USBPacket *packet)
return;
}
- if (async->isoc) {
- UHCI_TD td;
- uint32_t link = async->td;
- uint32_t int_mask = 0, val;
-
- pci_dma_read(&s->dev, link & ~0xf, &td, sizeof(td));
- le32_to_cpus(&td.link);
- le32_to_cpus(&td.ctrl);
- le32_to_cpus(&td.token);
- le32_to_cpus(&td.buffer);
-
- uhci_async_unlink(async);
- uhci_complete_td(s, &td, async, &int_mask);
- s->pending_int_mask |= int_mask;
-
- /* update the status bits of the TD */
- val = cpu_to_le32(td.ctrl);
- pci_dma_write(&s->dev, (link & ~0xf) + 4, &val, sizeof(val));
- uhci_async_free(async);
- } else {
- async->done = 1;
- if (s->frame_bytes < s->frame_bandwidth) {
- qemu_bh_schedule(s->bh);
- }
+ async->done = 1;
+ if (s->frame_bytes < s->frame_bandwidth) {
+ qemu_bh_schedule(s->bh);
}
}