diff options
| -rw-r--r-- | sys/dev/usb/ohci.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/sys/dev/usb/ohci.c b/sys/dev/usb/ohci.c index cd08bb9..583e3fd 100644 --- a/sys/dev/usb/ohci.c +++ b/sys/dev/usb/ohci.c @@ -1102,9 +1102,24 @@ ohci_process_done(sc, done) DPRINTFN(10,("ohci_process_done: done=0x%08lx\n", (u_long)done)); - /* Reverse the done list. */ - for (sdone = 0; done; done = LE(std->td.td_nexttd)) { - std = ohci_hash_find_td(sc, done); + /* Reverse the done list and store the reversed list in sdone */ + sdone = NULL; + for (; done; done = LE(std->td.td_nexttd)) { + std = ohci_hash_find_td(sc, done & LE(OHCI_TAILMASK)); + if (std == NULL) { +#ifdef OHCI_DEBUG + DPRINTF(("%s: Invalid done queue 0x%08x", + USBDEVNAME(sc->sc_bus.bdev), done)); + ohci_dumpregs(sc); +#endif + /* XXX Should we compare the list of active TDs with + * the list of TDs queued at EDs to handle the ones that + * are not listed on any of the ED queues and therefore + * must be finished? + */ + return; + } + std->dnext = sdone; sdone = std; } @@ -1572,7 +1587,9 @@ ohci_hash_find_td(sc, a) if (std->physaddr == a) return (std); - panic("ohci_hash_find_td: addr 0x%08lx not found\n", (u_long)a); + DPRINTF(("%s: ohci_hash_find_td: addr 0x%08lx not found\n", + USBDEVNAME(sc->sc_bus.bdev), (u_long) a)); + return NULL; } void |
