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MFC: save and restore the data toggle value when a pipe to an

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endpoint is closed and then reopened. This is reported to fix
timeouts with USB scanners and some other USB devices that were
seen since the recent removal of the clear-stall-on-open code.

Approved by:	re (scottl)
This commit is contained in:
iedowse 2006-03-01 01:59:05 +00:00
parent d60341afdc
commit bd3612b266
5 changed files with 12 additions and 3 deletions
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4
sys/dev/usb/ehci.c
View File

@ -1390,7 +1390,7 @@ ehci_open(usbd_pipe_handle pipe)
if (sc->sc_dying)
return (USBD_IOERROR);
epipe->nexttoggle = 0;
epipe->nexttoggle = pipe->endpoint->savedtoggle;
if (addr == sc->sc_addr) {
switch (ed->bEndpointAddress) {
@ -2479,6 +2479,8 @@ ehci_close_pipe(usbd_pipe_handle pipe, ehci_soft_qh_t *head)
ehci_rem_qh(sc, sqh, head);
splx(s);
ehci_free_sqh(sc, epipe->sqh);
pipe->endpoint->savedtoggle = epipe->nexttoggle;
}
/*

6
sys/dev/usb/ohci.c
View File

@ -2161,7 +2161,9 @@ ohci_open(usbd_pipe_handle pipe)
(dev->speed == USB_SPEED_LOW ? OHCI_ED_SPEED : 0) |
fmt |
OHCI_ED_SET_MAXP(UGETW(ed->wMaxPacketSize)));
sed->ed.ed_headp = sed->ed.ed_tailp = htole32(tdphys);
sed->ed.ed_headp = htole32(tdphys |
(pipe->endpoint->savedtoggle ? OHCI_TOGGLECARRY : 0));
sed->ed.ed_tailp = htole32(tdphys);
switch (xfertype) {
case UE_CONTROL:
@ -2247,6 +2249,8 @@ ohci_close_pipe(usbd_pipe_handle pipe, ohci_soft_ed_t *head)
/* Make sure the host controller is not touching this ED */
usb_delay_ms(&sc->sc_bus, 1);
splx(s);
pipe->endpoint->savedtoggle =
(le32toh(sed->ed.ed_headp) & OHCI_TOGGLECARRY) ? 1 : 0;
ohci_free_sed(sc, opipe->sed);
}

3
sys/dev/usb/uhci.c
View File

@ -2031,6 +2031,7 @@ uhci_device_bulk_close(usbd_pipe_handle pipe)
uhci_softc_t *sc = (uhci_softc_t *)dev->bus;
uhci_free_sqh(sc, upipe->u.bulk.sqh);
pipe->endpoint->savedtoggle = upipe->nexttoggle;
}
usbd_status
@ -2915,7 +2916,7 @@ uhci_open(usbd_pipe_handle pipe)
ed->bEndpointAddress, sc->sc_addr));
upipe->aborting = 0;
upipe->nexttoggle = 0;
upipe->nexttoggle = pipe->endpoint->savedtoggle;
if (pipe->device->address == sc->sc_addr) {
switch (ed->bEndpointAddress) {

1
sys/dev/usb/usb_subr.c
View File

@ -514,6 +514,7 @@ usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx)
}
}
ifc->endpoints[endpt].refcnt = 0;
ifc->endpoints[endpt].savedtoggle = 0;
p += ed->bLength;
}
#undef ed

1
sys/dev/usb/usbdivar.h
View File

@ -51,6 +51,7 @@ struct usbd_pipe;
struct usbd_endpoint {
usb_endpoint_descriptor_t *edesc;
int refcnt;
int savedtoggle;
};
struct usbd_bus_methods {