85 static int gpiochip_add_irqchip(struct gpio_chip *gpiochip,
88 static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip);
89 static int gpiochip_irqchip_init_hw(struct gpio_chip *gpiochip);
90 static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gpiochip);
91 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip);
387 static void gpiochip_free_valid_mask(struct gpio_chip *gpiochip)  in gpiochip_free_valid_mask()  argument
389 	bitmap_free(gpiochip->valid_mask);  in gpiochip_free_valid_mask()
390 	gpiochip->valid_mask = NULL;  in gpiochip_free_valid_mask()
393 bool gpiochip_line_is_valid(const struct gpio_chip *gpiochip,  in gpiochip_line_is_valid()  argument
397 	if (likely(!gpiochip->valid_mask))  in gpiochip_line_is_valid()
399 	return test_bit(offset, gpiochip->valid_mask);  in gpiochip_line_is_valid()
1656 static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)  in gpiochip_irqchip_free_valid_mask()  argument
1658 	bitmap_free(gpiochip->irq.valid_mask);  in gpiochip_irqchip_free_valid_mask()
1659 	gpiochip->irq.valid_mask = NULL;  in gpiochip_irqchip_free_valid_mask()
1662 bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,  in gpiochip_irqchip_irq_valid()  argument
1665 	if (!gpiochip_line_is_valid(gpiochip, offset))  in gpiochip_irqchip_irq_valid()
1668 	if (likely(!gpiochip->irq.valid_mask))  in gpiochip_irqchip_irq_valid()
1670 	return test_bit(offset, gpiochip->irq.valid_mask);  in gpiochip_irqchip_irq_valid()
1729 void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,  in gpiochip_set_chained_irqchip()  argument
1734 	if (gpiochip->irq.threaded) {  in gpiochip_set_chained_irqchip()
1735 		chip_err(gpiochip, "tried to chain a threaded gpiochip\n");  in gpiochip_set_chained_irqchip()
1739 	gpiochip_set_cascaded_irqchip(gpiochip, parent_irq, parent_handler);  in gpiochip_set_chained_irqchip()
1750 void gpiochip_set_nested_irqchip(struct gpio_chip *gpiochip,  in gpiochip_set_nested_irqchip()  argument
1754 	gpiochip_set_cascaded_irqchip(gpiochip, parent_irq, NULL);  in gpiochip_set_nested_irqchip()
2194 static void gpiochip_set_irq_hooks(struct gpio_chip *gpiochip)  in gpiochip_set_irq_hooks()  argument
2196 	struct irq_chip *irqchip = gpiochip->irq.chip;  in gpiochip_set_irq_hooks()
2203 	if (WARN_ON(gpiochip->irq.irq_enable))  in gpiochip_set_irq_hooks()
2211 		chip_info(gpiochip,  in gpiochip_set_irq_hooks()
2215 	gpiochip->irq.irq_enable = irqchip->irq_enable;  in gpiochip_set_irq_hooks()
2216 	gpiochip->irq.irq_disable = irqchip->irq_disable;  in gpiochip_set_irq_hooks()
2227 static int gpiochip_add_irqchip(struct gpio_chip *gpiochip,  in gpiochip_add_irqchip()  argument
2231 	struct irq_chip *irqchip = gpiochip->irq.chip;  in gpiochip_add_irqchip()
2240 	if (gpiochip->irq.parent_handler && gpiochip->can_sleep) {  in gpiochip_add_irqchip()
2241 		chip_err(gpiochip, "you cannot have chained interrupts on a chip that may sleep\n");  in gpiochip_add_irqchip()
2245 	np = gpiochip->gpiodev->dev.of_node;  in gpiochip_add_irqchip()
2246 	type = gpiochip->irq.default_type;  in gpiochip_add_irqchip()
2257 	if (has_acpi_companion(gpiochip->parent) && type != IRQ_TYPE_NONE) {  in gpiochip_add_irqchip()
2258 		acpi_handle_warn(ACPI_HANDLE(gpiochip->parent),  in gpiochip_add_irqchip()
2263 	gpiochip->to_irq = gpiochip_to_irq;  in gpiochip_add_irqchip()
2264 	gpiochip->irq.default_type = type;  in gpiochip_add_irqchip()
2265 	gpiochip->irq.lock_key = lock_key;  in gpiochip_add_irqchip()
2266 	gpiochip->irq.request_key = request_key;  in gpiochip_add_irqchip()
2269 	if (gpiochip_hierarchy_is_hierarchical(gpiochip)) {  in gpiochip_add_irqchip()
2270 		int ret = gpiochip_hierarchy_add_domain(gpiochip);  in gpiochip_add_irqchip()
2275 		if (gpiochip->irq.domain_ops)  in gpiochip_add_irqchip()
2276 			ops = gpiochip->irq.domain_ops;  in gpiochip_add_irqchip()
2280 		gpiochip->irq.domain = irq_domain_add_simple(np,  in gpiochip_add_irqchip()
2281 			gpiochip->ngpio,  in gpiochip_add_irqchip()
2282 			gpiochip->irq.first,  in gpiochip_add_irqchip()
2283 			ops, gpiochip);  in gpiochip_add_irqchip()
2284 		if (!gpiochip->irq.domain)  in gpiochip_add_irqchip()
2288 	if (gpiochip->irq.parent_handler) {  in gpiochip_add_irqchip()
2289 		void *data = gpiochip->irq.parent_handler_data ?: gpiochip;  in gpiochip_add_irqchip()
2291 		for (i = 0; i < gpiochip->irq.num_parents; i++) {  in gpiochip_add_irqchip()
2297 			irq_set_chained_handler_and_data(gpiochip->irq.parents[i],  in gpiochip_add_irqchip()
2298 							 gpiochip->irq.parent_handler,  in gpiochip_add_irqchip()
2303 	gpiochip_set_irq_hooks(gpiochip);  in gpiochip_add_irqchip()
2305 	acpi_gpiochip_request_interrupts(gpiochip);  in gpiochip_add_irqchip()
2316 static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip)  in gpiochip_irqchip_remove()  argument
2318 	struct irq_chip *irqchip = gpiochip->irq.chip;  in gpiochip_irqchip_remove()
2321 	acpi_gpiochip_free_interrupts(gpiochip);  in gpiochip_irqchip_remove()
2323 	if (irqchip && gpiochip->irq.parent_handler) {  in gpiochip_irqchip_remove()
2324 		struct gpio_irq_chip *irq = &gpiochip->irq;  in gpiochip_irqchip_remove()
2333 	if (gpiochip->irq.domain) {  in gpiochip_irqchip_remove()
2336 		for (offset = 0; offset < gpiochip->ngpio; offset++) {  in gpiochip_irqchip_remove()
2337 			if (!gpiochip_irqchip_irq_valid(gpiochip, offset))  in gpiochip_irqchip_remove()
2340 			irq = irq_find_mapping(gpiochip->irq.domain, offset);  in gpiochip_irqchip_remove()
2344 		irq_domain_remove(gpiochip->irq.domain);  in gpiochip_irqchip_remove()
2353 			irqchip->irq_enable = gpiochip->irq.irq_enable;  in gpiochip_irqchip_remove()
2354 			irqchip->irq_disable = gpiochip->irq.irq_disable;  in gpiochip_irqchip_remove()
2357 	gpiochip->irq.irq_enable = NULL;  in gpiochip_irqchip_remove()
2358 	gpiochip->irq.irq_disable = NULL;  in gpiochip_irqchip_remove()
2359 	gpiochip->irq.chip = NULL;  in gpiochip_irqchip_remove()
2361 	gpiochip_irqchip_free_valid_mask(gpiochip);  in gpiochip_irqchip_remove()
2391 int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip,  in gpiochip_irqchip_add_key()  argument
2402 	if (!gpiochip || !irqchip)  in gpiochip_irqchip_add_key()
2405 	if (!gpiochip->parent) {  in gpiochip_irqchip_add_key()
2409 	gpiochip->irq.threaded = threaded;  in gpiochip_irqchip_add_key()
2410 	of_node = gpiochip->parent->of_node;  in gpiochip_irqchip_add_key()
2417 	if (gpiochip->of_node)  in gpiochip_irqchip_add_key()
2418 		of_node = gpiochip->of_node;  in gpiochip_irqchip_add_key()
2428 	if (has_acpi_companion(gpiochip->parent) && type != IRQ_TYPE_NONE) {  in gpiochip_irqchip_add_key()
2429 		acpi_handle_warn(ACPI_HANDLE(gpiochip->parent),  in gpiochip_irqchip_add_key()
2434 	gpiochip->irq.chip = irqchip;  in gpiochip_irqchip_add_key()
2435 	gpiochip->irq.handler = handler;  in gpiochip_irqchip_add_key()
2436 	gpiochip->irq.default_type = type;  in gpiochip_irqchip_add_key()
2437 	gpiochip->to_irq = gpiochip_to_irq;  in gpiochip_irqchip_add_key()
2438 	gpiochip->irq.lock_key = lock_key;  in gpiochip_irqchip_add_key()
2439 	gpiochip->irq.request_key = request_key;  in gpiochip_irqchip_add_key()
2440 	gpiochip->irq.domain = irq_domain_add_simple(of_node,  in gpiochip_irqchip_add_key()
2441 					gpiochip->ngpio, first_irq,  in gpiochip_irqchip_add_key()
2442 					&gpiochip_domain_ops, gpiochip);  in gpiochip_irqchip_add_key()
2443 	if (!gpiochip->irq.domain) {  in gpiochip_irqchip_add_key()
2444 		gpiochip->irq.chip = NULL;  in gpiochip_irqchip_add_key()
2448 	gpiochip_set_irq_hooks(gpiochip);  in gpiochip_irqchip_add_key()
2450 	acpi_gpiochip_request_interrupts(gpiochip);  in gpiochip_irqchip_add_key()
2458 static inline int gpiochip_add_irqchip(struct gpio_chip *gpiochip,  in gpiochip_add_irqchip()  argument
2464 static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) {}  in gpiochip_irqchip_remove()  argument
2466 static inline int gpiochip_irqchip_init_hw(struct gpio_chip *gpiochip)  in gpiochip_irqchip_init_hw()  argument
2471 static inline int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gpiochip)  in gpiochip_irqchip_init_valid_mask()  argument
2475 static inline void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)  in gpiochip_irqchip_free_valid_mask()  argument