diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd.h')
| -rw-r--r-- | drivers/usb/dwc2/hcd.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 78e9e01051b5..ad60e46e66e1 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -314,12 +314,16 @@ struct dwc2_hs_transfer_time { * descriptor and indicates original XferSize value for the * descriptor * @unreserve_timer: Timer for releasing periodic reservation. + * @wait_timer: Timer used to wait before re-queuing. * @dwc2_tt: Pointer to our tt info (or NULL if no tt). * @ttport: Port number within our tt. * @tt_buffer_dirty True if clear_tt_buffer_complete is pending * @unreserve_pending: True if we planned to unreserve but haven't yet. * @schedule_low_speed: True if we have a low/full speed component (either the * host is in low/full speed mode or do_split). + * @want_wait: We should wait before re-queuing; only matters for non- + * periodic transfers and is ignored for periodic ones. + * @wait_timer_cancel: Set to true to cancel the wait_timer. * * A Queue Head (QH) holds the static characteristics of an endpoint and * maintains a list of transfers (QTDs) for that endpoint. A QH structure may @@ -354,11 +358,14 @@ struct dwc2_qh { u32 desc_list_sz; u32 *n_bytes; struct timer_list unreserve_timer; + struct timer_list wait_timer; struct dwc2_tt *dwc_tt; int ttport; unsigned tt_buffer_dirty:1; unsigned unreserve_pending:1; unsigned schedule_low_speed:1; + unsigned want_wait:1; + unsigned wait_timer_cancel:1; }; /** @@ -389,6 +396,7 @@ struct dwc2_qh { * @n_desc: Number of DMA descriptors for this QTD * @isoc_frame_index_last: Last activated frame (packet) index, used in * descriptor DMA mode only + * @num_naks: Number of NAKs received on this QTD. * @urb: URB for this transfer * @qh: Queue head for this QTD * @qtd_list_entry: For linking to the QH's list of QTDs @@ -419,6 +427,7 @@ struct dwc2_qtd { u8 error_count; u8 n_desc; u16 isoc_frame_index_last; + u16 num_naks; struct dwc2_hcd_urb *urb; struct dwc2_qh *qh; struct list_head qtd_list_entry; |