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path: root/drivers/usb/host/ehci-sched.c
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Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
-rw-r--r--drivers/usb/host/ehci-sched.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 9af4f64532a9..b56f25864ed6 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -301,7 +301,7 @@ static int qh_link_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh)
301 301
302 dev_dbg (&qh->dev->dev, 302 dev_dbg (&qh->dev->dev,
303 "link qh%d-%04x/%p start %d [%d/%d us]\n", 303 "link qh%d-%04x/%p start %d [%d/%d us]\n",
304 period, le32_to_cpup (&qh->hw_info2) & 0xffff, 304 period, le32_to_cpup (&qh->hw_info2) & (QH_CMASK | QH_SMASK),
305 qh, qh->start, qh->usecs, qh->c_usecs); 305 qh, qh->start, qh->usecs, qh->c_usecs);
306 306
307 /* high bandwidth, or otherwise every microframe */ 307 /* high bandwidth, or otherwise every microframe */
@@ -385,7 +385,8 @@ static void qh_unlink_periodic (struct ehci_hcd *ehci, struct ehci_qh *qh)
385 385
386 dev_dbg (&qh->dev->dev, 386 dev_dbg (&qh->dev->dev,
387 "unlink qh%d-%04x/%p start %d [%d/%d us]\n", 387 "unlink qh%d-%04x/%p start %d [%d/%d us]\n",
388 qh->period, le32_to_cpup (&qh->hw_info2) & 0xffff, 388 qh->period,
389 le32_to_cpup (&qh->hw_info2) & (QH_CMASK | QH_SMASK),
389 qh, qh->start, qh->usecs, qh->c_usecs); 390 qh, qh->start, qh->usecs, qh->c_usecs);
390 391
391 /* qh->qh_next still "live" to HC */ 392 /* qh->qh_next still "live" to HC */
@@ -411,7 +412,7 @@ static void intr_deschedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
411 * active high speed queues may need bigger delays... 412 * active high speed queues may need bigger delays...
412 */ 413 */
413 if (list_empty (&qh->qtd_list) 414 if (list_empty (&qh->qtd_list)
414 || (__constant_cpu_to_le32 (0x0ff << 8) 415 || (__constant_cpu_to_le32 (QH_CMASK)
415 & qh->hw_info2) != 0) 416 & qh->hw_info2) != 0)
416 wait = 2; 417 wait = 2;
417 else 418 else
@@ -533,7 +534,7 @@ static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
533 534
534 /* reuse the previous schedule slots, if we can */ 535 /* reuse the previous schedule slots, if we can */
535 if (frame < qh->period) { 536 if (frame < qh->period) {
536 uframe = ffs (le32_to_cpup (&qh->hw_info2) & 0x00ff); 537 uframe = ffs (le32_to_cpup (&qh->hw_info2) & QH_SMASK);
537 status = check_intr_schedule (ehci, frame, --uframe, 538 status = check_intr_schedule (ehci, frame, --uframe,
538 qh, &c_mask); 539 qh, &c_mask);
539 } else { 540 } else {
@@ -569,10 +570,10 @@ static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
569 qh->start = frame; 570 qh->start = frame;
570 571
571 /* reset S-frame and (maybe) C-frame masks */ 572 /* reset S-frame and (maybe) C-frame masks */
572 qh->hw_info2 &= __constant_cpu_to_le32 (~0xffff); 573 qh->hw_info2 &= __constant_cpu_to_le32(~(QH_CMASK | QH_SMASK));
573 qh->hw_info2 |= qh->period 574 qh->hw_info2 |= qh->period
574 ? cpu_to_le32 (1 << uframe) 575 ? cpu_to_le32 (1 << uframe)
575 : __constant_cpu_to_le32 (0xff); 576 : __constant_cpu_to_le32 (QH_SMASK);
576 qh->hw_info2 |= c_mask; 577 qh->hw_info2 |= c_mask;
577 } else 578 } else
578 ehci_dbg (ehci, "reused qh %p schedule\n", qh); 579 ehci_dbg (ehci, "reused qh %p schedule\n", qh);