diff options
Diffstat (limited to 'drivers/usb/host/uhci-debug.c')
-rw-r--r-- | drivers/usb/host/uhci-debug.c | 57 |
1 files changed, 31 insertions, 26 deletions
diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 5d6c06bc452..8d24d3dc0a6 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -196,7 +196,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space) struct uhci_td *td = list_entry(urbp->td_list.next, struct uhci_td, list); - if (cpu_to_le32(td->dma_handle) != (element & ~UHCI_PTR_BITS)) + if (element != LINK_TO_TD(td)) out += sprintf(out, "%*s Element != First TD\n", space, ""); i = nurbs = 0; @@ -220,16 +220,6 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space) return out - buf; } -static const char * const qh_names[] = { - "skel_unlink_qh", "skel_iso_qh", - "skel_int128_qh", "skel_int64_qh", - "skel_int32_qh", "skel_int16_qh", - "skel_int8_qh", "skel_int4_qh", - "skel_int2_qh", "skel_int1_qh", - "skel_ls_control_qh", "skel_fs_control_qh", - "skel_bulk_qh", "skel_term_qh" -}; - static int uhci_show_sc(int port, unsigned short status, char *buf, int len) { char *out = buf; @@ -352,6 +342,12 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) struct uhci_td *td; struct list_head *tmp, *head; int nframes, nerrs; + __le32 link; + + static const char * const qh_names[] = { + "unlink", "iso", "int128", "int64", "int32", "int16", + "int8", "int4", "int2", "async", "term" + }; out += uhci_show_root_hub_state(uhci, out, len - (out - buf)); out += sprintf(out, "HC status\n"); @@ -374,7 +370,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) nframes = 10; nerrs = 0; for (i = 0; i < UHCI_NUMFRAMES; ++i) { - __le32 link, qh_dma; + __le32 qh_dma; j = 0; td = uhci->frame_cpu[i]; @@ -393,7 +389,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len) do { td = list_entry(tmp, struct uhci_td, fl_list); tmp = tmp->next; - if (cpu_to_le32(td->dma_handle) != link) { + if (link != LINK_TO_TD(td)) { if (nframes > 0) out += sprintf(out, " link does " "not match list entry!\n"); @@ -430,23 +426,21 @@ check_link: for (i = 0; i < UHCI_NUM_SKELQH; ++i) { int cnt = 0; + __le32 fsbr_link = 0; qh = uhci->skelqh[i]; - out += sprintf(out, "- %s\n", qh_names[i]); \ + out += sprintf(out, "- skel_%s_qh\n", qh_names[i]); \ out += uhci_show_qh(qh, out, len - (out - buf), 4); /* Last QH is the Terminating QH, it's different */ - if (i == UHCI_NUM_SKELQH - 1) { - if (qh->link != UHCI_PTR_TERM) - out += sprintf(out, " bandwidth reclamation on!\n"); - - if (qh_element(qh) != cpu_to_le32(uhci->term_td->dma_handle)) + if (i == SKEL_TERM) { + if (qh_element(qh) != LINK_TO_TD(uhci->term_td)) out += sprintf(out, " skel_term_qh element is not set to term_td!\n"); - + if (link == LINK_TO_QH(uhci->skel_term_qh)) + goto check_qh_link; continue; } - j = (i < 9) ? 9 : i+1; /* Next skeleton */ head = &qh->node; tmp = head->next; @@ -456,15 +450,26 @@ check_link: if (++cnt <= 10) out += uhci_show_qh(qh, out, len - (out - buf), 4); + if (!fsbr_link && qh->skel >= SKEL_FSBR) + fsbr_link = LINK_TO_QH(qh); } if ((cnt -= 10) > 0) out += sprintf(out, " Skipped %d QHs\n", cnt); - if (i > 1 && i < UHCI_NUM_SKELQH - 1) { - if (qh->link != - (cpu_to_le32(uhci->skelqh[j]->dma_handle) | UHCI_PTR_QH)) - out += sprintf(out, " last QH not linked to next skeleton!\n"); - } + link = UHCI_PTR_TERM; + if (i <= SKEL_ISO) + ; + else if (i < SKEL_ASYNC) + link = LINK_TO_QH(uhci->skel_async_qh); + else if (!uhci->fsbr_is_on) + ; + else if (fsbr_link) + link = fsbr_link; + else + link = LINK_TO_QH(uhci->skel_term_qh); +check_qh_link: + if (qh->link != link) + out += sprintf(out, " last QH not linked to next skeleton!\n"); } return out - buf; |