diff options
Diffstat (limited to 'hw/usb/hcd-uhci.c')
| -rw-r--r-- | hw/usb/hcd-uhci.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c index 7589a5b2d6..6d2db7ffdb 100644 --- a/hw/usb/hcd-uhci.c +++ b/hw/usb/hcd-uhci.c @@ -693,6 +693,15 @@ static USBDevice *uhci_find_device(UHCIState *s, uint8_t addr) return NULL; } +static void uhci_read_td(UHCIState *s, UHCI_TD *td, uint32_t link) +{ + 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); +} + static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_t *int_mask) { int len = 0, max_len, err, ret; @@ -941,11 +950,7 @@ static void uhci_fill_queue(UHCIState *s, UHCI_TD *td, struct USBEndpoint *ep) int ret; while (is_valid(plink)) { - pci_dma_read(&s->dev, plink & ~0xf, &ptd, sizeof(ptd)); - le32_to_cpus(&ptd.link); - le32_to_cpus(&ptd.ctrl); - le32_to_cpus(&ptd.token); - le32_to_cpus(&ptd.buffer); + uhci_read_td(s, &ptd, plink); if (!(ptd.ctrl & TD_CTRL_ACTIVE)) { break; } @@ -1031,11 +1036,7 @@ static void uhci_process_frame(UHCIState *s) } /* TD */ - 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_read_td(s, &td, link); trace_usb_uhci_td_load(curr_qh & ~0xf, link & ~0xf, td.ctrl, td.token); old_td_ctrl = td.ctrl; |