Hi!
Oops, forgot to attach the patch.
--- sys/dev/usb/umodem.c.orig 2006-08-05 22:21:42.000000000
+0800
+++ sys/dev/usb/umodem.c 2007-09-26 01:56:35.000000000
+0800
 -178,7
+178,7
Static usbd_status umodem_set_line_coding(struct
umodem_softc *sc,
usb_cdc_line_state_t *state);
-Static void umodem_get_caps(usbd_device_handle, int *, int
*);
+Static int umodem_get_caps(usbd_device_handle, int *, int
*);
Static void umodem_get_status(void *, int portno, u_char
*lsr, u_char *msr);
Static void umodem_set(void *, int, int, int);
-261,10
+261,7
if (ret == UMATCH_NONE)
return (ret);
- umodem_get_caps(uaa->device, &cm, &acm);
- if (!(cm & USB_CDC_CM_DOES_CM) ||
- !(cm & USB_CDC_CM_OVER_DATA) ||
- !(acm & USB_CDC_ACM_HAS_LINE))
+ if (umodem_get_caps(uaa->device, &cm, &acm) ==
-1)
return (UMATCH_NONE);
return ret;
-276,7
+273,6
usbd_device_handle dev = uaa->device;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
- usb_cdc_cm_descriptor_t *cmd;
char *devinfo = NULL;
const char *devname;
usbd_status err;
-304,15
+300,15
id->bInterfaceClass, id->bInterfaceSubClass);
sc->sc_ctl_iface_no = id->bInterfaceNumber;
- umodem_get_caps(dev, &sc->sc_cm_cap,
&sc->sc_acm_cap);
-
/* Get the data interface no. */
- cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE,
UDESCSUB_CDC_CM);
- if (cmd == NULL) {
- printf("%s: no CM descriptorn", devname);
+ sc->sc_data_iface_no = data_ifcno =
+ umodem_get_caps(dev, &sc->sc_cm_cap,
&sc->sc_acm_cap);
+
+ if (data_ifcno == -1) {
+ printf("%s: no pointer to data interfacen",
+ USBDEVNAME(sc->sc_dev));
goto bad;
}
- sc->sc_data_iface_no = data_ifcno =
cmd->bDataInterface;
printf("%s: data interface %d, has %sCM over data,
has %sbreakn",
devname, data_ifcno,
-550,27
+546,35
ucom_status_change(&sc->sc_ucom);
}
-void
+int
umodem_get_caps(usbd_device_handle dev, int *cm, int *acm)
{
usb_cdc_cm_descriptor_t *cmd;
usb_cdc_acm_descriptor_t *cad;
+ usb_cdc_union_descriptor_t *cud;
*cm = *acm = 0;
cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE,
UDESCSUB_CDC_CM);
if (cmd == NULL) {
DPRINTF(("umodem_get_desc: no CM descn"));
- return;
+ } else {
+ *cm = cmd->bmCapabilities;
}
- *cm = cmd->bmCapabilities;
cad = umodem_get_desc(dev, UDESC_CS_INTERFACE,
UDESCSUB_CDC_ACM);
if (cad == NULL) {
DPRINTF(("umodem_get_desc: no ACM descn"));
- return;
+ } else {
+ *acm = cad->bmCapabilities;
+ }
+
+ cud = umodem_get_desc(dev, UDESC_CS_INTERFACE,
UDESCSUB_CDC_UNION);
+ if (cud == NULL) {
+ DPRINTF(("umodem_get_desc: no UNION descn"));
}
- *acm = cad->bmCapabilities;
+
+ return cmd ? cmd->bDataInterface : cud ?
cud->bSlaveInterface[0] : -1;
}
void
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