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);
640 	struct zs_scc *scc = zport->scc;
642 	spin_lock(&scc->zlock);
644 	spin_unlock(&scc->zlock);
650 	struct zs_scc *scc = zport->scc;
654 	spin_lock(&scc->zlock);
662 			spin_unlock(&scc->zlock);
667 			spin_lock(&scc->zlock);
674 		spin_unlock(&scc->zlock);
690 		spin_lock(&scc->zlock);
696 	spin_unlock(&scc->zlock);
704 	struct zs_scc *scc = dev_id;
705 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
706 	struct zs_port *zport_b = &scc->zport[ZS_CHAN_B];
719 		spin_lock(&scc->zlock);
721 		spin_unlock(&scc->zlock);
756 	struct zs_scc *scc = zport->scc;
761 	irq_guard = atomic_add_return(1, &scc->irq_guard);
764 				  IRQF_SHARED, "scc", scc);
766 			atomic_add(-1, &scc->irq_guard);
773 	spin_lock_irqsave(&scc->zlock, flags);
801 	spin_unlock_irqrestore(&scc->zlock, flags);
809 	struct zs_scc *scc = zport->scc;
813 	spin_lock_irqsave(&scc->zlock, flags);
819 	spin_unlock_irqrestore(&scc->zlock, flags);
821 	irq_guard = atomic_add_return(-1, &scc->irq_guard);
823 		free_irq(zport->port.irq, scc);
829 	struct zs_scc *scc = zport->scc;
833 	spin_lock_irqsave(&scc->zlock, flags);
835 	if (!scc->initialised) {
843 		scc->initialised = 1;
846 	spin_unlock_irqrestore(&scc->zlock, flags);
853 	struct zs_scc *scc = zport->scc;
854 	struct zs_port *zport_a = &scc->zport[ZS_CHAN_A];
859 	spin_lock_irqsave(&scc->zlock, flags);
956 	spin_unlock_irqrestore(&scc->zlock, flags);
1005 	if (!request_mem_region(uport->mapbase, ZS_CHAN_IO_SIZE, "scc")) {
1082 		zs_parms.scc[n_chips] = IOASIC_SCC0;
1088 		zs_parms.scc[n_chips] = IOASIC_SCC1;
1103 			zport->scc	= &zs_sccs[chip];
1115 					  zs_parms.scc[chip] +
1131 	struct zs_scc *scc = zport->scc;
1135 	spin_lock_irqsave(&scc->zlock, flags);
1139 	spin_unlock_irqrestore(&scc->zlock, flags);
1151 	struct zs_scc *scc = zport->scc;
1157 	spin_lock_irqsave(&scc->zlock, flags);
1168 	spin_unlock_irqrestore(&scc->zlock, flags);
1173 	spin_lock_irqsave(&scc->zlock, flags);
1188 	spin_unlock_irqrestore(&scc->zlock, flags);
1280 		struct zs_scc *scc = &zs_sccs[i / ZS_NUM_CHAN];
1281 		struct zs_port *zport = &scc->zport[i % ZS_NUM_CHAN];
1284 		if (zport->scc)
1296 		struct zs_scc *scc = &zs_sccs[i / ZS_NUM_CHAN];
1297 		struct zs_port *zport = &scc->zport[i % ZS_NUM_CHAN];
1300 		if (zport->scc)