diff options
| -rw-r--r-- | drivers/usb/host/ohci-q.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 3c793fad178..860e55ff67a 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -783,10 +783,10 @@ static void td_done (struct ohci_hcd *ohci, struct urb *urb, struct td *td) /*-------------------------------------------------------------------------*/ -static inline struct td * -ed_halted (struct ohci_hcd *ohci, struct td *td, int cc, struct td *rev) +static void ed_halted(struct ohci_hcd *ohci, struct td *td, int cc) { struct urb *urb = td->urb; + urb_priv_t *urb_priv = urb->hcpriv; struct ed *ed = td->ed; struct list_head *tmp = td->td_list.next; __hc32 toggle = ed->hwHeadP & cpu_to_hc32 (ohci, ED_C); @@ -798,13 +798,12 @@ ed_halted (struct ohci_hcd *ohci, struct td *td, int cc, struct td *rev) wmb (); ed->hwHeadP &= ~cpu_to_hc32 (ohci, ED_H); - /* put any later tds from this urb onto the donelist, after 'td', - * order won't matter here: no errors, and nothing was transferred. - * also patch the ed so it looks as if those tds completed normally. + /* Get rid of all later tds from this urb. We don't have + * to be careful: no errors and nothing was transferred. + * Also patch the ed so it looks as if those tds completed normally. */ while (tmp != &ed->td_list) { struct td *next; - __hc32 info; next = list_entry (tmp, struct td, td_list); tmp = next->td_list.next; @@ -819,14 +818,9 @@ ed_halted (struct ohci_hcd *ohci, struct td *td, int cc, struct td *rev) * then we need to leave the control STATUS packet queued * and clear ED_SKIP. */ - info = next->hwINFO; - info |= cpu_to_hc32 (ohci, TD_DONE); - info &= ~cpu_to_hc32 (ohci, TD_CC); - next->hwINFO = info; - - next->next_dl_td = rev; - rev = next; + list_del(&next->td_list); + urb_priv->td_cnt++; ed->hwHeadP = next->hwNextTD | toggle; } @@ -852,8 +846,6 @@ ed_halted (struct ohci_hcd *ohci, struct td *td, int cc, struct td *rev) hc32_to_cpu (ohci, td->hwINFO), cc, cc_to_error [cc]); } - - return rev; } /* replies to the request have to be on a FIFO basis so @@ -890,7 +882,7 @@ static struct td *dl_reverse_done_list (struct ohci_hcd *ohci) */ if (cc != TD_CC_NOERROR && (td->ed->hwHeadP & cpu_to_hc32 (ohci, ED_H))) - td_rev = ed_halted (ohci, td, cc, td_rev); + ed_halted(ohci, td, cc); td->next_dl_td = td_rev; td_rev = td; |