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Fixed an issue which transfer no packets in combination with aue driver.

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Submitted by Hiroyuki Aizu <eyes@navi.org>
                (refer to [FreeBSD-users-jp 65061])
Tested by    Hiroharu Tamaru <tamaru@myn.rcast.u-tokyo.ac.jp>
                (refer to [bsd-usb:689])
This commit is contained in:
Takeshi Shibagaki 2003-03-05 13:17:15 +00:00
parent 5750fb86d7
commit f6e333276b
1 changed files with 5 additions and 2 deletions
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7
sys/dev/usb/ohci.c
View file

@ -579,6 +579,10 @@ ohci_alloc_std_chain(struct ohci_pipe *opipe, ohci_softc_t *sc,
if ((flags & USBD_FORCE_SHORT_XFER) &&
alen % UGETW(opipe->pipe.endpoint->edesc->wMaxPacketSize) == 0) {
/* Force a 0 length transfer at the end. */
cur->td.td_flags = htole32(tdflags | OHCI_TD_NOINTR);
cur = next;
next = ohci_alloc_std(sc);
if (next == NULL)
goto nomem;
@ -587,11 +591,10 @@ ohci_alloc_std_chain(struct ohci_pipe *opipe, ohci_softc_t *sc,
cur->td.td_cbp = 0; /* indicate 0 length packet */
cur->nexttd = next;
cur->td.td_nexttd = htole32(next->physaddr);
cur->td.td_be = htole32(dataphys - 1);
cur->td.td_be = ~0;
cur->len = 0;
cur->flags = 0;
cur->xfer = xfer;
cur = next;
DPRINTFN(2,("ohci_alloc_std_chain: add 0 xfer\n"));
}
cur->flags = OHCI_CALL_DONE | OHCI_ADD_LEN;