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Changeset c9dc471 in mainline


Ignore:
Timestamp:
2011-04-14T21:52:57Z (11 years ago)
Author:
Jan Vesely <jano.vesely@…>
Branches:
lfn, master
Children:
27eb1fe, e583fd4
Parents:
545764b
Message:

Handle error states on ED properly.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • uspace/drv/ohci/batch.c

    r545764b rc9dc471  
    161161                        usb_log_debug("Batch(%p) found error TD(%d):%x.\n",
    162162                            instance, i, data->tds[i]->status);
     163                        /* Make sure TD queue is empty (one TD),
     164                         * ED should be marked as halted */
     165                        data->ed->td_tail =
     166                            (data->ed->td_head & ED_TDTAIL_PTR_MASK);
     167                        ++i;
    163168                        break;
    164169                }
     
    169174        assert(hcd_ep);
    170175        hcd_ep->td = data->tds[i];
     176        /* Clear possible ED HALT */
     177        data->ed->td_head &= ~ED_TDHEAD_HALTED_FLAG;
     178        uint32_t pa = addr_to_phys(hcd_ep->td);
     179        assert(pa == (data->ed->td_head & ED_TDHEAD_PTR_MASK));
     180        assert(pa == (data->ed->td_tail & ED_TDTAIL_PTR_MASK));
    171181
    172182        return true;
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