48 static struct crossbar_device *cb;  variable
52 	writel(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writel()
57 	writew(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writew()
62 	writeb(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writeb()
86 	raw_spin_lock(&cb->lock);  in allocate_gic_irq()
87 	for (i = cb->int_max - 1; i >= 0; i--) {  in allocate_gic_irq()
88 		if (cb->irq_map[i] == IRQ_FREE) {  in allocate_gic_irq()
89 			cb->irq_map[i] = hwirq;  in allocate_gic_irq()
93 	raw_spin_unlock(&cb->lock);  in allocate_gic_irq()
106 		cb->irq_map[i] = IRQ_FREE;  in allocate_gic_irq()
108 		cb->write(i, hwirq);  in allocate_gic_irq()
126 	if ((hwirq + nr_irqs) > cb->max_crossbar_sources)  in crossbar_domain_alloc()
159 	raw_spin_lock(&cb->lock);  in crossbar_domain_free()
164 		cb->irq_map[d->hwirq] = IRQ_FREE;  in crossbar_domain_free()
165 		cb->write(d->hwirq, cb->safe_map);  in crossbar_domain_free()
167 	raw_spin_unlock(&cb->lock);  in crossbar_domain_free()
200 	cb = kzalloc(sizeof(*cb), GFP_KERNEL);  in crossbar_of_init()
202 	if (!cb)  in crossbar_of_init()
205 	cb->crossbar_base = of_iomap(node, 0);  in crossbar_of_init()
206 	if (!cb->crossbar_base)  in crossbar_of_init()
210 			     &cb->max_crossbar_sources);  in crossbar_of_init()
211 	if (!cb->max_crossbar_sources) {  in crossbar_of_init()
223 	cb->irq_map = kcalloc(max, sizeof(int), GFP_KERNEL);  in crossbar_of_init()
224 	if (!cb->irq_map)  in crossbar_of_init()
227 	cb->int_max = max;  in crossbar_of_init()
230 		cb->irq_map[i] = IRQ_FREE;  in crossbar_of_init()
246 			cb->irq_map[entry] = IRQ_RESERVED;  in crossbar_of_init()
264 			cb->irq_map[entry] = IRQ_SKIP;  in crossbar_of_init()
269 	cb->register_offsets = kcalloc(max, sizeof(int), GFP_KERNEL);  in crossbar_of_init()
270 	if (!cb->register_offsets)  in crossbar_of_init()
277 		cb->write = crossbar_writeb;  in crossbar_of_init()
280 		cb->write = crossbar_writew;  in crossbar_of_init()
283 		cb->write = crossbar_writel;  in crossbar_of_init()
297 		if (cb->irq_map[i] == IRQ_RESERVED)  in crossbar_of_init()
300 		cb->register_offsets[i] = reserved;  in crossbar_of_init()
304 	of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);  in crossbar_of_init()
307 		if (cb->irq_map[i] == IRQ_RESERVED ||  in crossbar_of_init()
308 		    cb->irq_map[i] == IRQ_SKIP)  in crossbar_of_init()
311 		cb->write(i, cb->safe_map);  in crossbar_of_init()
314 	raw_spin_lock_init(&cb->lock);  in crossbar_of_init()
319 	kfree(cb->register_offsets);  in crossbar_of_init()
321 	kfree(cb->irq_map);  in crossbar_of_init()
323 	iounmap(cb->crossbar_base);  in crossbar_of_init()
325 	kfree(cb);  in crossbar_of_init()
327 	cb = NULL;  in crossbar_of_init()
353 					  cb->max_crossbar_sources,  in irqcrossbar_init()