drivers/irqchip/irq-mst-intc.c

42 	struct mst_intc_chip_data *cd = irq_data_get_irq_chip_data(d);
49 	raw_spin_lock_irqsave(&cd->lock, flags);
50 	val = readw_relaxed(cd->base + offset) | mask;
51 	writew_relaxed(val, cd->base + offset);
52 	raw_spin_unlock_irqrestore(&cd->lock, flags);
58 	struct mst_intc_chip_data *cd = irq_data_get_irq_chip_data(d);
65 	raw_spin_lock_irqsave(&cd->lock, flags);
66 	val = readw_relaxed(cd->base + offset) & ~mask;
67 	writew_relaxed(val, cd->base + offset);
68 	raw_spin_unlock_irqrestore(&cd->lock, flags);
85 	struct mst_intc_chip_data *cd = irq_data_get_irq_chip_data(d);
87 	if (!cd->no_eoi)
128 static void mst_intc_polarity_save(struct mst_intc_chip_data *cd)
131 	void __iomem *addr = cd->base + INTC_REV_POLARITY;
133 	for (i = 0; i < DIV_ROUND_UP(cd->nr_irqs, 16); i++)
134 		cd->saved_polarity_conf[i] = readw_relaxed(addr + i * 4);
137 static void mst_intc_polarity_restore(struct mst_intc_chip_data *cd)
140 	void __iomem *addr = cd->base + INTC_REV_POLARITY;
142 	for (i = 0; i < DIV_ROUND_UP(cd->nr_irqs, 16); i++)
143 		writew_relaxed(cd->saved_polarity_conf[i], addr + i * 4);
148 	struct mst_intc_chip_data *cd;
150 	list_for_each_entry(cd, &mst_intc_list, entry)
151 		mst_intc_polarity_restore(cd);
156 	struct mst_intc_chip_data *cd;
158 	list_for_each_entry(cd, &mst_intc_list, entry)
159 		mst_intc_polarity_save(cd);
181 	struct mst_intc_chip_data *cd = d->host_data;
191 		if (fwspec->param[1] >= cd->nr_irqs)
208 	struct mst_intc_chip_data *cd = domain->host_data;
226 	parent_fwspec.param[1] = cd->irq_start + hwirq;
249 	struct mst_intc_chip_data *cd;
262 	cd = kzalloc(sizeof(*cd), GFP_KERNEL);
263 	if (!cd)
266 	cd->base = of_iomap(dn, 0);
267 	if (!cd->base) {
268 		kfree(cd);
272 	cd->no_eoi = of_property_read_bool(dn, "mstar,intc-no-eoi");
273 	raw_spin_lock_init(&cd->lock);
274 	cd->irq_start = irq_start;
275 	cd->nr_irqs = irq_end - irq_start + 1;
276 	domain = irq_domain_add_hierarchy(domain_parent, 0, cd->nr_irqs, dn,
277 					  &mst_intc_domain_ops, cd);
279 		iounmap(cd->base);
280 		kfree(cd);
285 	INIT_LIST_HEAD(&cd->entry);
286 	list_add_tail(&cd->entry, &mst_intc_list);