kernel/irq/generic-chip.c

280 	struct irq_domain_chip_generic *dgc;
298 	dgc_sz = struct_size(dgc, gc, numchips);
301 	tmp = dgc = kzalloc(sz, GFP_KERNEL);
302 	if (!dgc)
304 	dgc->irqs_per_chip = info->irqs_per_chip;
305 	dgc->num_chips = numchips;
306 	dgc->irq_flags_to_set = info->irq_flags_to_set;
307 	dgc->irq_flags_to_clear = info->irq_flags_to_clear;
308 	dgc->gc_flags = info->gc_flags;
309 	dgc->exit = info->exit;
310 	d->gc = dgc;
316 		dgc->gc[i] = gc = tmp;
318 				      i * dgc->irqs_per_chip, NULL,
322 		if (dgc->gc_flags & IRQ_GC_BE_IO) {
342 		if (dgc->exit)
343 			dgc->exit(dgc->gc[i]);
344 		irq_remove_generic_chip(dgc->gc[i], ~0U, 0, 0);
347 	kfree(dgc);
358 	struct irq_domain_chip_generic *dgc = d->gc;
361 	if (!dgc)
364 	for (i = 0; i < dgc->num_chips; i++) {
365 		if (dgc->exit)
366 			dgc->exit(dgc->gc[i]);
367 		irq_remove_generic_chip(dgc->gc[i], ~0U, 0, 0);
370 	kfree(dgc);
408 	struct irq_domain_chip_generic *dgc = d->gc;
411 	if (!dgc)
413 	idx = hw_irq / dgc->irqs_per_chip;
414 	if (idx >= dgc->num_chips)
416 	return dgc->gc[idx];
447 	struct irq_domain_chip_generic *dgc = d->gc;
457 	idx = hw_irq % dgc->irqs_per_chip;
471 		irq_gc_init_mask_cache(gc, dgc->gc_flags);
477 	if (dgc->gc_flags & IRQ_GC_INIT_NESTED_LOCK)
487 	irq_modify_status(virq, dgc->irq_flags_to_clear, dgc->irq_flags_to_set);
494 	struct irq_domain_chip_generic *dgc = d->gc;
503 	irq_idx = hw_irq % dgc->irqs_per_chip;