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path: root/drivers/usb/host/ehci-dbg.c
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Diffstat (limited to 'drivers/usb/host/ehci-dbg.c')
-rw-r--r--drivers/usb/host/ehci-dbg.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 1104caa0803b..874d2000bf92 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -134,10 +134,11 @@ dbg_qtd (const char *label, struct ehci_hcd *ehci, struct ehci_qtd *qtd)
134static void __maybe_unused 134static void __maybe_unused
135dbg_qh (const char *label, struct ehci_hcd *ehci, struct ehci_qh *qh) 135dbg_qh (const char *label, struct ehci_hcd *ehci, struct ehci_qh *qh)
136{ 136{
137 struct ehci_qh_hw *hw = qh->hw;
138
137 ehci_dbg (ehci, "%s qh %p n%08x info %x %x qtd %x\n", label, 139 ehci_dbg (ehci, "%s qh %p n%08x info %x %x qtd %x\n", label,
138 qh, qh->hw_next, qh->hw_info1, qh->hw_info2, 140 qh, hw->hw_next, hw->hw_info1, hw->hw_info2, hw->hw_current);
139 qh->hw_current); 141 dbg_qtd("overlay", ehci, (struct ehci_qtd *) &hw->hw_qtd_next);
140 dbg_qtd ("overlay", ehci, (struct ehci_qtd *) &qh->hw_qtd_next);
141} 142}
142 143
143static void __maybe_unused 144static void __maybe_unused
@@ -400,31 +401,32 @@ static void qh_lines (
400 char *next = *nextp; 401 char *next = *nextp;
401 char mark; 402 char mark;
402 __le32 list_end = EHCI_LIST_END(ehci); 403 __le32 list_end = EHCI_LIST_END(ehci);
404 struct ehci_qh_hw *hw = qh->hw;
403 405
404 if (qh->hw_qtd_next == list_end) /* NEC does this */ 406 if (hw->hw_qtd_next == list_end) /* NEC does this */
405 mark = '@'; 407 mark = '@';
406 else 408 else
407 mark = token_mark(ehci, qh->hw_token); 409 mark = token_mark(ehci, hw->hw_token);
408 if (mark == '/') { /* qh_alt_next controls qh advance? */ 410 if (mark == '/') { /* qh_alt_next controls qh advance? */
409 if ((qh->hw_alt_next & QTD_MASK(ehci)) 411 if ((hw->hw_alt_next & QTD_MASK(ehci))
410 == ehci->async->hw_alt_next) 412 == ehci->async->hw->hw_alt_next)
411 mark = '#'; /* blocked */ 413 mark = '#'; /* blocked */
412 else if (qh->hw_alt_next == list_end) 414 else if (hw->hw_alt_next == list_end)
413 mark = '.'; /* use hw_qtd_next */ 415 mark = '.'; /* use hw_qtd_next */
414 /* else alt_next points to some other qtd */ 416 /* else alt_next points to some other qtd */
415 } 417 }
416 scratch = hc32_to_cpup(ehci, &qh->hw_info1); 418 scratch = hc32_to_cpup(ehci, &hw->hw_info1);
417 hw_curr = (mark == '*') ? hc32_to_cpup(ehci, &qh->hw_current) : 0; 419 hw_curr = (mark == '*') ? hc32_to_cpup(ehci, &hw->hw_current) : 0;
418 temp = scnprintf (next, size, 420 temp = scnprintf (next, size,
419 "qh/%p dev%d %cs ep%d %08x %08x (%08x%c %s nak%d)", 421 "qh/%p dev%d %cs ep%d %08x %08x (%08x%c %s nak%d)",
420 qh, scratch & 0x007f, 422 qh, scratch & 0x007f,
421 speed_char (scratch), 423 speed_char (scratch),
422 (scratch >> 8) & 0x000f, 424 (scratch >> 8) & 0x000f,
423 scratch, hc32_to_cpup(ehci, &qh->hw_info2), 425 scratch, hc32_to_cpup(ehci, &hw->hw_info2),
424 hc32_to_cpup(ehci, &qh->hw_token), mark, 426 hc32_to_cpup(ehci, &hw->hw_token), mark,
425 (cpu_to_hc32(ehci, QTD_TOGGLE) & qh->hw_token) 427 (cpu_to_hc32(ehci, QTD_TOGGLE) & hw->hw_token)
426 ? "data1" : "data0", 428 ? "data1" : "data0",
427 (hc32_to_cpup(ehci, &qh->hw_alt_next) >> 1) & 0x0f); 429 (hc32_to_cpup(ehci, &hw->hw_alt_next) >> 1) & 0x0f);
428 size -= temp; 430 size -= temp;
429 next += temp; 431 next += temp;
430 432
@@ -435,10 +437,10 @@ static void qh_lines (
435 mark = ' '; 437 mark = ' ';
436 if (hw_curr == td->qtd_dma) 438 if (hw_curr == td->qtd_dma)
437 mark = '*'; 439 mark = '*';
438 else if (qh->hw_qtd_next == cpu_to_hc32(ehci, td->qtd_dma)) 440 else if (hw->hw_qtd_next == cpu_to_hc32(ehci, td->qtd_dma))
439 mark = '+'; 441 mark = '+';
440 else if (QTD_LENGTH (scratch)) { 442 else if (QTD_LENGTH (scratch)) {
441 if (td->hw_alt_next == ehci->async->hw_alt_next) 443 if (td->hw_alt_next == ehci->async->hw->hw_alt_next)
442 mark = '#'; 444 mark = '#';
443 else if (td->hw_alt_next != list_end) 445 else if (td->hw_alt_next != list_end)
444 mark = '/'; 446 mark = '/';
@@ -550,12 +552,15 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
550 next += temp; 552 next += temp;
551 553
552 do { 554 do {
555 struct ehci_qh_hw *hw;
556
553 switch (hc32_to_cpu(ehci, tag)) { 557 switch (hc32_to_cpu(ehci, tag)) {
554 case Q_TYPE_QH: 558 case Q_TYPE_QH:
559 hw = p.qh->hw;
555 temp = scnprintf (next, size, " qh%d-%04x/%p", 560 temp = scnprintf (next, size, " qh%d-%04x/%p",
556 p.qh->period, 561 p.qh->period,
557 hc32_to_cpup(ehci, 562 hc32_to_cpup(ehci,
558 &p.qh->hw_info2) 563 &hw->hw_info2)
559 /* uframe masks */ 564 /* uframe masks */
560 & (QH_CMASK | QH_SMASK), 565 & (QH_CMASK | QH_SMASK),
561 p.qh); 566 p.qh);
@@ -576,7 +581,7 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
576 /* show more info the first time around */ 581 /* show more info the first time around */
577 if (temp == seen_count) { 582 if (temp == seen_count) {
578 u32 scratch = hc32_to_cpup(ehci, 583 u32 scratch = hc32_to_cpup(ehci,
579 &p.qh->hw_info1); 584 &hw->hw_info1);
580 struct ehci_qtd *qtd; 585 struct ehci_qtd *qtd;
581 char *type = ""; 586 char *type = "";
582 587
@@ -609,7 +614,7 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
609 } else 614 } else
610 temp = 0; 615 temp = 0;
611 if (p.qh) { 616 if (p.qh) {
612 tag = Q_NEXT_TYPE(ehci, p.qh->hw_next); 617 tag = Q_NEXT_TYPE(ehci, hw->hw_next);
613 p = p.qh->qh_next; 618 p = p.qh->qh_next;
614 } 619 }
615 break; 620 break;