47 static struct crossbar_device *cb;  variable
51 	writel(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writel()
56 	writew(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writew()
61 	writeb(cb_no, cb->crossbar_base + cb->register_offsets[irq_no]);  in crossbar_writeb()
88 	raw_spin_lock(&cb->lock);  in allocate_gic_irq()
89 	for (i = cb->int_max - 1; i >= 0; i--) {  in allocate_gic_irq()
90 		if (cb->irq_map[i] == IRQ_FREE) {  in allocate_gic_irq()
91 			cb->irq_map[i] = hwirq;  in allocate_gic_irq()
95 	raw_spin_unlock(&cb->lock);  in allocate_gic_irq()
108 		cb->irq_map[i] = IRQ_FREE;  in allocate_gic_irq()
110 		cb->write(i, hwirq);  in allocate_gic_irq()
128 	if ((hwirq + nr_irqs) > cb->max_crossbar_sources)  in crossbar_domain_alloc()
161 	raw_spin_lock(&cb->lock);  in crossbar_domain_free()
166 		cb->irq_map[d->hwirq] = IRQ_FREE;  in crossbar_domain_free()
167 		cb->write(d->hwirq, cb->safe_map);  in crossbar_domain_free()
169 	raw_spin_unlock(&cb->lock);  in crossbar_domain_free()
205 	cb = kzalloc(sizeof(*cb), GFP_KERNEL);  in crossbar_of_init()
207 	if (!cb)  in crossbar_of_init()
210 	cb->crossbar_base = of_iomap(node, 0);  in crossbar_of_init()
211 	if (!cb->crossbar_base)  in crossbar_of_init()
215 			     &cb->max_crossbar_sources);  in crossbar_of_init()
216 	if (!cb->max_crossbar_sources) {  in crossbar_of_init()
228 	cb->irq_map = kcalloc(max, sizeof(int), GFP_KERNEL);  in crossbar_of_init()
229 	if (!cb->irq_map)  in crossbar_of_init()
232 	cb->int_max = max;  in crossbar_of_init()
235 		cb->irq_map[i] = IRQ_FREE;  in crossbar_of_init()
251 			cb->irq_map[entry] = IRQ_RESERVED;  in crossbar_of_init()
269 			cb->irq_map[entry] = IRQ_SKIP;  in crossbar_of_init()
274 	cb->register_offsets = kcalloc(max, sizeof(int), GFP_KERNEL);  in crossbar_of_init()
275 	if (!cb->register_offsets)  in crossbar_of_init()
282 		cb->write = crossbar_writeb;  in crossbar_of_init()
285 		cb->write = crossbar_writew;  in crossbar_of_init()
288 		cb->write = crossbar_writel;  in crossbar_of_init()
302 		if (cb->irq_map[i] == IRQ_RESERVED)  in crossbar_of_init()
305 		cb->register_offsets[i] = reserved;  in crossbar_of_init()
309 	of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);  in crossbar_of_init()
312 		if (cb->irq_map[i] == IRQ_RESERVED ||  in crossbar_of_init()
313 		    cb->irq_map[i] == IRQ_SKIP)  in crossbar_of_init()
316 		cb->write(i, cb->safe_map);  in crossbar_of_init()
319 	raw_spin_lock_init(&cb->lock);  in crossbar_of_init()
324 	kfree(cb->register_offsets);  in crossbar_of_init()
326 	kfree(cb->irq_map);  in crossbar_of_init()
328 	iounmap(cb->crossbar_base);  in crossbar_of_init()
330 	kfree(cb);  in crossbar_of_init()
332 	cb = NULL;  in crossbar_of_init()
358 					  cb->max_crossbar_sources,  in irqcrossbar_init()