41 struct tb10x_gpio {  struct
48 static inline u32 tb10x_reg_read(struct tb10x_gpio *gpio, unsigned int offs)  in tb10x_reg_read()  argument
53 static inline void tb10x_reg_write(struct tb10x_gpio *gpio, unsigned int offs,  in tb10x_reg_write()
59 static inline void tb10x_set_bits(struct tb10x_gpio *gpio, unsigned int offs,  in tb10x_set_bits()
77 	struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);  in tb10x_gpio_to_irq()  local
79 	return irq_create_mapping(tb10x_gpio->domain, offset);  in tb10x_gpio_to_irq()
96 	struct tb10x_gpio *tb10x_gpio = data;  in tb10x_gpio_irq_cascade()  local
97 	u32 r = tb10x_reg_read(tb10x_gpio, OFFSET_TO_REG_CHANGE);  in tb10x_gpio_irq_cascade()
98 	u32 m = tb10x_reg_read(tb10x_gpio, OFFSET_TO_REG_INT_EN);  in tb10x_gpio_irq_cascade()
103 		generic_handle_domain_irq(tb10x_gpio->domain, i);  in tb10x_gpio_irq_cascade()
110 	struct tb10x_gpio *tb10x_gpio;  in tb10x_gpio_probe()  local
122 	tb10x_gpio = devm_kzalloc(dev, sizeof(*tb10x_gpio), GFP_KERNEL);  in tb10x_gpio_probe()
123 	if (tb10x_gpio == NULL)  in tb10x_gpio_probe()
126 	tb10x_gpio->base = devm_platform_ioremap_resource(pdev, 0);  in tb10x_gpio_probe()
127 	if (IS_ERR(tb10x_gpio->base))  in tb10x_gpio_probe()
128 		return PTR_ERR(tb10x_gpio->base);  in tb10x_gpio_probe()
130 	tb10x_gpio->gc.label =  in tb10x_gpio_probe()
132 	if (!tb10x_gpio->gc.label)  in tb10x_gpio_probe()
140 	ret = bgpio_init(&tb10x_gpio->gc, dev, 4,  in tb10x_gpio_probe()
141 			 tb10x_gpio->base + OFFSET_TO_REG_DATA,  in tb10x_gpio_probe()
144 			 tb10x_gpio->base + OFFSET_TO_REG_DDR,  in tb10x_gpio_probe()
151 	tb10x_gpio->gc.base = -1;  in tb10x_gpio_probe()
152 	tb10x_gpio->gc.parent = dev;  in tb10x_gpio_probe()
153 	tb10x_gpio->gc.owner = THIS_MODULE;  in tb10x_gpio_probe()
158 	tb10x_gpio->gc.ngpio = ngpio;  in tb10x_gpio_probe()
159 	tb10x_gpio->gc.request = gpiochip_generic_request;  in tb10x_gpio_probe()
160 	tb10x_gpio->gc.free = gpiochip_generic_free;  in tb10x_gpio_probe()
162 	ret = devm_gpiochip_add_data(dev, &tb10x_gpio->gc, tb10x_gpio);  in tb10x_gpio_probe()
168 	platform_set_drvdata(pdev, tb10x_gpio);  in tb10x_gpio_probe()
177 		tb10x_gpio->gc.to_irq	= tb10x_gpio_to_irq;  in tb10x_gpio_probe()
178 		tb10x_gpio->irq		= ret;  in tb10x_gpio_probe()
182 				dev_name(dev), tb10x_gpio);  in tb10x_gpio_probe()
186 		tb10x_gpio->domain = irq_domain_add_linear(np,  in tb10x_gpio_probe()
187 						tb10x_gpio->gc.ngpio,  in tb10x_gpio_probe()
189 		if (!tb10x_gpio->domain) {  in tb10x_gpio_probe()
193 		ret = irq_alloc_domain_generic_chips(tb10x_gpio->domain,  in tb10x_gpio_probe()
194 				tb10x_gpio->gc.ngpio, 1, tb10x_gpio->gc.label,  in tb10x_gpio_probe()
200 		gc = tb10x_gpio->domain->gc->gc[0];  in tb10x_gpio_probe()
201 		gc->reg_base                         = tb10x_gpio->base;  in tb10x_gpio_probe()
214 	irq_domain_remove(tb10x_gpio->domain);  in tb10x_gpio_probe()
220 	struct tb10x_gpio *tb10x_gpio = platform_get_drvdata(pdev);  in tb10x_gpio_remove()  local
222 	if (tb10x_gpio->gc.to_irq) {  in tb10x_gpio_remove()
223 		irq_remove_generic_chip(tb10x_gpio->domain->gc->gc[0],  in tb10x_gpio_remove()
224 					BIT(tb10x_gpio->gc.ngpio) - 1, 0, 0);  in tb10x_gpio_remove()
225 		kfree(tb10x_gpio->domain->gc);  in tb10x_gpio_remove()
226 		irq_domain_remove(tb10x_gpio->domain);  in tb10x_gpio_remove()