tty/serial/zs.c

102 	resource_size_t scc[ZS_NUM_SCCS];
198 		if (!zport->scc)
239 	struct zs_scc *scc = zport->scc;
243 		zs_spin_unlock_cond_irq(&scc->zlock, irq);
245 		zs_spin_lock_cond_irq(&scc->zlock, irq);
252 	struct zs_scc *scc = zport->scc;
256 		zs_spin_unlock_cond_irq(&scc->zlock, irq);
258 		zs_spin_lock_cond_irq(&scc->zlock, irq);
307 	struct zs_scc *scc = zport->scc;
311 	spin_lock_irqsave(&scc->zlock, flags);
313 	spin_unlock_irqrestore(&scc->zlock, flags);
337 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];
344 	struct zs_port *zport_a = &zport->scc->zport[ZS_CHAN_A];
375 	struct zs_scc *scc = zport->scc;
378 	spin_lock(&scc->zlock);
380 	spin_unlock(&scc->zlock);
388 	struct zs_scc *scc = zport->scc;
389 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
392 	spin_lock(&scc->zlock);
416 	spin_unlock(&scc->zlock);
428 	struct zs_scc *scc = zport->scc;
430 	spin_lock(&scc->zlock);
432 	spin_unlock(&scc->zlock);
440 	struct zs_scc *scc = zport->scc;
442 	spin_lock(&scc->zlock);
448 	spin_unlock(&scc->zlock);
454 	struct zs_scc *scc = zport->scc;
455 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
457 	spin_lock(&scc->zlock);
482 	spin_unlock(&scc->zlock);
488 	struct zs_scc *scc = zport->scc;
489 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
494 	spin_lock(&scc->zlock);
512 	spin_unlock(&scc->zlock);
518 	struct zs_scc *scc = zport->scc;
521 	spin_lock_irqsave(&scc->zlock, flags);
527 	spin_unlock_irqrestore(&scc->zlock, flags);
540 	struct zs_scc *scc = zport->scc;
547 		spin_lock(&scc->zlock);
549 		spin_unlock(&scc->zlock);
553 		spin_lock(&scc->zlock);
556 		spin_unlock(&scc->zlock);
572 				spin_lock(&scc->zlock);
574 				spin_unlock(&scc->zlock);
639 	struct zs_scc *scc = zport->scc;
641 	spin_lock(&scc->zlock);
643 	spin_unlock(&scc->zlock);
649 	struct zs_scc *scc = zport->scc;
653 	spin_lock(&scc->zlock);
661 			spin_unlock(&scc->zlock);
666 			spin_lock(&scc->zlock);
673 		spin_unlock(&scc->zlock);
689 		spin_lock(&scc->zlock);
695 	spin_unlock(&scc->zlock);
703 	struct zs_scc *scc = dev_id;
704 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
705 	struct zs_port *zport_b = &scc->zport[ZS_CHAN_B];
718 		spin_lock(&scc->zlock);
720 		spin_unlock(&scc->zlock);
755 	struct zs_scc *scc = zport->scc;
760 	irq_guard = atomic_add_return(1, &scc->irq_guard);
763 				  IRQF_SHARED, "scc", scc);
765 			atomic_add(-1, &scc->irq_guard);
772 	spin_lock_irqsave(&scc->zlock, flags);
800 	spin_unlock_irqrestore(&scc->zlock, flags);
808 	struct zs_scc *scc = zport->scc;
812 	spin_lock_irqsave(&scc->zlock, flags);
818 	spin_unlock_irqrestore(&scc->zlock, flags);
820 	irq_guard = atomic_add_return(-1, &scc->irq_guard);
822 		free_irq(zport->port.irq, scc);
828 	struct zs_scc *scc = zport->scc;
832 	spin_lock_irqsave(&scc->zlock, flags);
834 	if (!scc->initialised) {
842 		scc->initialised = 1;
845 	spin_unlock_irqrestore(&scc->zlock, flags);
852 	struct zs_scc *scc = zport->scc;
853 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
858 	spin_lock_irqsave(&scc->zlock, flags);
955 	spin_unlock_irqrestore(&scc->zlock, flags);
1004 	if (!request_mem_region(uport->mapbase, ZS_CHAN_IO_SIZE, "scc")) {
1081 		zs_parms.scc[n_chips] = IOASIC_SCC0;
1087 		zs_parms.scc[n_chips] = IOASIC_SCC1;
1102 			zport->scc	= &zs_sccs[chip];
1114 					  zs_parms.scc[chip] +
1130 	struct zs_scc *scc = zport->scc;
1134 	spin_lock_irqsave(&scc->zlock, flags);
1138 	spin_unlock_irqrestore(&scc->zlock, flags);
1150 	struct zs_scc *scc = zport->scc;
1156 	spin_lock_irqsave(&scc->zlock, flags);
1167 	spin_unlock_irqrestore(&scc->zlock, flags);
1172 	spin_lock_irqsave(&scc->zlock, flags);
1187 	spin_unlock_irqrestore(&scc->zlock, flags);
1279 		struct zs_scc *scc = &zs_sccs[i / ZS_NUM_CHAN];
1280 		struct zs_port *zport = &scc->zport[i % ZS_NUM_CHAN];
1283 		if (zport->scc)
1295 		struct zs_scc *scc = &zs_sccs[i / ZS_NUM_CHAN];
1296 		struct zs_port *zport = &scc->zport[i % ZS_NUM_CHAN];
1299 		if (zport->scc)