167 		if (test_timeout(&cs->bcs[channel].at_state))  in timer_tick()
188 int gigaset_get_channel(struct bc_state *bcs)  in gigaset_get_channel()  argument
192 	spin_lock_irqsave(&bcs->cs->lock, flags);  in gigaset_get_channel()
193 	if (bcs->use_count || !try_module_get(bcs->cs->driver->owner)) {  in gigaset_get_channel()
195 			bcs->channel);  in gigaset_get_channel()
196 		spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_get_channel()
199 	++bcs->use_count;  in gigaset_get_channel()
200 	bcs->busy = 1;  in gigaset_get_channel()
201 	gig_dbg(DEBUG_CHANNEL, "allocated channel %d", bcs->channel);  in gigaset_get_channel()
202 	spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_get_channel()
219 		if (!cs->bcs[i].use_count) {  in gigaset_get_free_channel()
220 			++cs->bcs[i].use_count;  in gigaset_get_free_channel()
221 			cs->bcs[i].busy = 1;  in gigaset_get_free_channel()
224 			return cs->bcs + i;  in gigaset_get_free_channel()
232 void gigaset_free_channel(struct bc_state *bcs)  in gigaset_free_channel()  argument
236 	spin_lock_irqsave(&bcs->cs->lock, flags);  in gigaset_free_channel()
237 	if (!bcs->busy) {  in gigaset_free_channel()
239 			bcs->channel);  in gigaset_free_channel()
240 		spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_free_channel()
243 	--bcs->use_count;  in gigaset_free_channel()
244 	bcs->busy = 0;  in gigaset_free_channel()
245 	module_put(bcs->cs->driver->owner);  in gigaset_free_channel()
246 	gig_dbg(DEBUG_CHANNEL, "freed channel %d", bcs->channel);  in gigaset_free_channel()
247 	spin_unlock_irqrestore(&bcs->cs->lock, flags);  in gigaset_free_channel()
257 		if (cs->bcs[i].use_count) {  in gigaset_get_channels()
264 		++cs->bcs[i].use_count;  in gigaset_get_channels()
280 		--cs->bcs[i].use_count;  in gigaset_free_channels()
292 		++cs->bcs[i].use_count;  in gigaset_block_channels()
386 static void gigaset_freebcs(struct bc_state *bcs)  in gigaset_freebcs()  argument
390 	gig_dbg(DEBUG_INIT, "freeing bcs[%d]->hw", bcs->channel);  in gigaset_freebcs()
391 	bcs->cs->ops->freebcshw(bcs);  in gigaset_freebcs()
393 	gig_dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);  in gigaset_freebcs()
394 	clear_at_state(&bcs->at_state);  in gigaset_freebcs()
395 	gig_dbg(DEBUG_INIT, "freeing bcs[%d]->skb", bcs->channel);  in gigaset_freebcs()
396 	dev_kfree_skb(bcs->rx_skb);  in gigaset_freebcs()
397 	bcs->rx_skb = NULL;  in gigaset_freebcs()
400 		kfree(bcs->commands[i]);  in gigaset_freebcs()
401 		bcs->commands[i] = NULL;  in gigaset_freebcs()
483 			gigaset_freebcs(cs->bcs + i);  in gigaset_freecs()
512 		kfree(cs->bcs);  in gigaset_freecs()
520 void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,  in gigaset_at_init()  argument
540 	at_state->bcs = bcs;  in gigaset_at_init()
608 static int gigaset_initbcs(struct bc_state *bcs, struct cardstate *cs,  in gigaset_initbcs()  argument
613 	bcs->tx_skb = NULL;  in gigaset_initbcs()
615 	skb_queue_head_init(&bcs->squeue);  in gigaset_initbcs()
617 	bcs->corrupted = 0;  in gigaset_initbcs()
618 	bcs->trans_down = 0;  in gigaset_initbcs()
619 	bcs->trans_up = 0;  in gigaset_initbcs()
622 	gigaset_at_init(&bcs->at_state, bcs, cs, -1);  in gigaset_initbcs()
625 	bcs->emptycount = 0;  in gigaset_initbcs()
628 	bcs->rx_bufsize = 0;  in gigaset_initbcs()
629 	bcs->rx_skb = NULL;  in gigaset_initbcs()
630 	bcs->rx_fcs = PPP_INITFCS;  in gigaset_initbcs()
631 	bcs->inputstate = 0;  in gigaset_initbcs()
632 	bcs->channel = channel;  in gigaset_initbcs()
633 	bcs->cs = cs;  in gigaset_initbcs()
635 	bcs->chstate = 0;  in gigaset_initbcs()
636 	bcs->use_count = 1;  in gigaset_initbcs()
637 	bcs->busy = 0;  in gigaset_initbcs()
638 	bcs->ignore = cs->ignoreframes;  in gigaset_initbcs()
641 		bcs->commands[i] = NULL;  in gigaset_initbcs()
643 	spin_lock_init(&bcs->aplock);  in gigaset_initbcs()
644 	bcs->ap = NULL;  in gigaset_initbcs()
645 	bcs->apconnstate = 0;  in gigaset_initbcs()
648 	return cs->ops->initbcshw(bcs);  in gigaset_initbcs()
713 	cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);  in gigaset_initcs()
715 	if (!cs->bcs || !cs->inbuf) {  in gigaset_initcs()
762 		if (gigaset_initbcs(cs->bcs + i, cs, i) < 0) {  in gigaset_initcs()
786 void gigaset_bcs_reinit(struct bc_state *bcs)  in gigaset_bcs_reinit()  argument
789 	struct cardstate *cs = bcs->cs;  in gigaset_bcs_reinit()
792 	while ((skb = skb_dequeue(&bcs->squeue)) != NULL)  in gigaset_bcs_reinit()
796 	clear_at_state(&bcs->at_state);  in gigaset_bcs_reinit()
797 	bcs->at_state.ConState = 0;  in gigaset_bcs_reinit()
798 	bcs->at_state.timer_active = 0;  in gigaset_bcs_reinit()
799 	bcs->at_state.timer_expires = 0;  in gigaset_bcs_reinit()
800 	bcs->at_state.cid = -1;			/* No CID defined */  in gigaset_bcs_reinit()
803 	bcs->inputstate = 0;  in gigaset_bcs_reinit()
806 	bcs->emptycount = 0;  in gigaset_bcs_reinit()
809 	bcs->rx_fcs = PPP_INITFCS;  in gigaset_bcs_reinit()
810 	bcs->chstate = 0;  in gigaset_bcs_reinit()
812 	bcs->ignore = cs->ignoreframes;  in gigaset_bcs_reinit()
813 	dev_kfree_skb(bcs->rx_skb);  in gigaset_bcs_reinit()
814 	bcs->rx_skb = NULL;  in gigaset_bcs_reinit()
816 	cs->ops->reinitbcshw(bcs);  in gigaset_bcs_reinit()
856 		gigaset_freebcs(cs->bcs + i);  in cleanup_cs()
857 		if (gigaset_initbcs(cs->bcs + i, cs, i) < 0)  in cleanup_cs()