diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/ehci-dbg.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/ehci-q.c | 5 | ||||
-rw-r--r-- | drivers/usb/host/ehci-sched.c | 13 | ||||
-rw-r--r-- | drivers/usb/host/ehci.h | 5 |
4 files changed, 16 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index 50cb01831075..b01efb6b36f6 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c | |||
@@ -527,7 +527,7 @@ show_periodic (struct class_device *class_dev, char *buf) | |||
527 | p.qh->period, | 527 | p.qh->period, |
528 | le32_to_cpup (&p.qh->hw_info2) | 528 | le32_to_cpup (&p.qh->hw_info2) |
529 | /* uframe masks */ | 529 | /* uframe masks */ |
530 | & 0xffff, | 530 | & (QH_CMASK | QH_SMASK), |
531 | p.qh); | 531 | p.qh); |
532 | size -= temp; | 532 | size -= temp; |
533 | next += temp; | 533 | next += temp; |
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 4f97a4ad1ed3..20df01a79b2e 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c | |||
@@ -222,7 +222,7 @@ __acquires(ehci->lock) | |||
222 | struct ehci_qh *qh = (struct ehci_qh *) urb->hcpriv; | 222 | struct ehci_qh *qh = (struct ehci_qh *) urb->hcpriv; |
223 | 223 | ||
224 | /* S-mask in a QH means it's an interrupt urb */ | 224 | /* S-mask in a QH means it's an interrupt urb */ |
225 | if ((qh->hw_info2 & __constant_cpu_to_le32 (0x00ff)) != 0) { | 225 | if ((qh->hw_info2 & __constant_cpu_to_le32 (QH_SMASK)) != 0) { |
226 | 226 | ||
227 | /* ... update hc-wide periodic stats (for usbfs) */ | 227 | /* ... update hc-wide periodic stats (for usbfs) */ |
228 | ehci_to_hcd(ehci)->self.bandwidth_int_reqs--; | 228 | ehci_to_hcd(ehci)->self.bandwidth_int_reqs--; |
@@ -428,7 +428,8 @@ halt: | |||
428 | /* should be rare for periodic transfers, | 428 | /* should be rare for periodic transfers, |
429 | * except maybe high bandwidth ... | 429 | * except maybe high bandwidth ... |
430 | */ | 430 | */ |
431 | if (qh->period) { | 431 | if ((__constant_cpu_to_le32 (QH_SMASK) |
432 | & qh->hw_info2) != 0) { | ||
432 | intr_deschedule (ehci, qh); | 433 | intr_deschedule (ehci, qh); |
433 | (void) qh_schedule (ehci, qh); | 434 | (void) qh_schedule (ehci, qh); |
434 | } else | 435 | } else |
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); |
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 4df498231752..a7542157534c 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h | |||
@@ -385,6 +385,11 @@ struct ehci_qh { | |||
385 | __le32 hw_info1; /* see EHCI 3.6.2 */ | 385 | __le32 hw_info1; /* see EHCI 3.6.2 */ |
386 | #define QH_HEAD 0x00008000 | 386 | #define QH_HEAD 0x00008000 |
387 | __le32 hw_info2; /* see EHCI 3.6.2 */ | 387 | __le32 hw_info2; /* see EHCI 3.6.2 */ |
388 | #define QH_SMASK 0x000000ff | ||
389 | #define QH_CMASK 0x0000ff00 | ||
390 | #define QH_HUBADDR 0x007f0000 | ||
391 | #define QH_HUBPORT 0x3f800000 | ||
392 | #define QH_MULT 0xc0000000 | ||
388 | __le32 hw_current; /* qtd list - see EHCI 3.6.4 */ | 393 | __le32 hw_current; /* qtd list - see EHCI 3.6.4 */ |
389 | 394 | ||
390 | /* qtd overlay (hardware parts of a struct ehci_qtd) */ | 395 | /* qtd overlay (hardware parts of a struct ehci_qtd) */ |