Am Montag 29 Oktober 2007 schrieb Tilman Schmidt: > From: Tilman Schmidt <[EMAIL PROTECTED]> > > Add basic suspend/resume support to the usb_gigaset driver. > > Signed-off-by: Tilman Schmidt <[EMAIL PROTECTED]> > --- > > drivers/isdn/gigaset/usb-gigaset.c | 69 > ++++++++++++++++++++++++++++++++++++- > 1 file changed, 68 insertions(+), 1 deletion(-) > > --- a/drivers/isdn/gigaset/usb-gigaset.c 2007-10-23 01:48:12.000000000 > +0200 > +++ b/drivers/isdn/gigaset/usb-gigaset.c 2007-10-24 00:47:32.000000000 > +0200 > @@ -104,10 +104,15 @@ MODULE_DEVICE_TABLE(usb, gigaset_table); > * flags per packet. > */ > > +/* functions called if a device of this driver is connected/disconnected */ > static int gigaset_probe(struct usb_interface *interface, > const struct usb_device_id *id); > static void gigaset_disconnect(struct usb_interface *interface); > > +/* functions called before/after suspend */ > +static int gigaset_suspend(struct usb_interface *intf, pm_message_t message); > +static int gigaset_resume(struct usb_interface *intf); > + > static struct gigaset_driver *driver = NULL; > static struct cardstate *cardstate = NULL; > > @@ -117,6 +122,11 @@ static struct usb_driver gigaset_usb_dri > .probe = gigaset_probe, > .disconnect = gigaset_disconnect, > .id_table = gigaset_table, > + .suspend = gigaset_suspend, > + .resume = gigaset_resume, > + .reset_resume = gigaset_resume, > + .pre_reset = gigaset_suspend, > + .post_reset = gigaset_resume, > }; > > struct usb_cardstate { > @@ -831,7 +843,7 @@ static void gigaset_disconnect(struct us > usb_set_intfdata(interface, NULL); > tasklet_kill(&cs->write_tasklet); > > - usb_kill_urb(ucs->bulk_out_urb); /* FIXME: only if active? */ > + usb_kill_urb(ucs->bulk_out_urb); > > kfree(ucs->bulk_out_buffer); > usb_free_urb(ucs->bulk_out_urb); > @@ -847,6 +859,63 @@ static void gigaset_disconnect(struct us > gigaset_unassign(cs); > } > > +/* gigaset_suspend > + * This function is called before the USB connection is suspended or reset. > + */ > +static int gigaset_suspend(struct usb_interface *intf, pm_message_t message) > +{ > + struct cardstate *cs; > + struct usb_cardstate *ucs; > + int rc; > + > + if ((cs = usb_get_intfdata(intf)) == NULL || > + (ucs = cs->hw.usb) == NULL) { > + err("%s: no cardstate", __func__); > + return -EFAULT; > + } > + > + //FIXME stop common module activities? ISDN_STAT_STOP? block open()? > + > + /* stop submitting bulk URBs */ > + tasklet_disable(&cs->write_tasklet); > + > + /* kill pending read URB */ > + usb_kill_urb(ucs->read_urb);
no pending write URB? Regards Oliver - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/