diff options
Diffstat (limited to 'drivers/usb/dwc2/hcd_queue.c')
| -rw-r--r-- | drivers/usb/dwc2/hcd_queue.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index bc632a72f611..0e9faa75593c 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -113,6 +113,9 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, qh->sched_frame = dwc2_frame_num_inc(hsotg->frame_number, SCHEDULE_SLOP); qh->interval = urb->interval; + dwc2_sch_dbg(hsotg, "QH=%p init sch=%04x, fn=%04x, int=%#x\n", + qh, qh->sched_frame, hsotg->frame_number, + qh->interval); #if 0 /* Increase interrupt polling rate for debugging */ if (qh->ep_type == USB_ENDPOINT_XFER_INT) @@ -126,6 +129,11 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, qh->interval *= 8; qh->sched_frame |= 0x7; qh->start_split_frame = qh->sched_frame; + dwc2_sch_dbg(hsotg, + "QH=%p init*8 sch=%04x, fn=%04x, int=%#x\n", + qh, qh->sched_frame, hsotg->frame_number, + qh->interval); + } dev_dbg(hsotg->dev, "interval=%d\n", qh->interval); } @@ -482,6 +490,8 @@ static int dwc2_schedule_periodic(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) if (frame >= 0) { qh->sched_frame &= ~0x7; qh->sched_frame |= (frame & 7); + dwc2_sch_dbg(hsotg, "QH=%p sched_p sch=%04x, uf=%d\n", + qh, qh->sched_frame, frame); } if (status > 0) @@ -583,10 +593,16 @@ int dwc2_hcd_qh_add(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh) if (!dwc2_frame_num_le(qh->sched_frame, hsotg->frame_number) && !hsotg->frame_number) { + u16 new_frame; + dev_dbg(hsotg->dev, "reset frame number counter\n"); - qh->sched_frame = dwc2_frame_num_inc(hsotg->frame_number, + new_frame = dwc2_frame_num_inc(hsotg->frame_number, SCHEDULE_SLOP); + + dwc2_sch_vdbg(hsotg, "QH=%p reset sch=%04x=>%04x\n", + qh, qh->sched_frame, new_frame); + qh->sched_frame = new_frame; } /* Add the new QH to the appropriate schedule */ @@ -652,6 +668,7 @@ static void dwc2_sched_periodic_split(struct dwc2_hsotg *hsotg, int sched_next_periodic_split) { u16 incr; + u16 old_frame = qh->sched_frame; if (sched_next_periodic_split) { qh->sched_frame = frame_number; @@ -677,6 +694,11 @@ static void dwc2_sched_periodic_split(struct dwc2_hsotg *hsotg, qh->sched_frame |= 0x7; qh->start_split_frame = qh->sched_frame; } + + dwc2_sch_vdbg(hsotg, "QH=%p next(%d) fn=%04x, sch=%04x=>%04x (%+d)\n", + qh, sched_next_periodic_split, frame_number, old_frame, + qh->sched_frame, + dwc2_frame_num_dec(qh->sched_frame, old_frame)); } /* |