122 	struct pcf857x *gpio = gpiochip_get_data(chip);  in pcf857x_input()  local
125 	mutex_lock(&gpio->lock);  in pcf857x_input()
126 	gpio->out |= (1 << offset);  in pcf857x_input()
127 	status = gpio->write(gpio->client, gpio->out);  in pcf857x_input()
128 	mutex_unlock(&gpio->lock);  in pcf857x_input()
135 	struct pcf857x *gpio = gpiochip_get_data(chip);  in pcf857x_get()  local
138 	value = gpio->read(gpio->client);  in pcf857x_get()
145 	struct pcf857x *gpio = gpiochip_get_data(chip);  in pcf857x_get_multiple()  local
146 	int value = gpio->read(gpio->client);  in pcf857x_get_multiple()
159 	struct pcf857x *gpio = gpiochip_get_data(chip);  in pcf857x_output()  local
163 	mutex_lock(&gpio->lock);  in pcf857x_output()
165 		gpio->out |= bit;  in pcf857x_output()
167 		gpio->out &= ~bit;  in pcf857x_output()
168 	status = gpio->write(gpio->client, gpio->out);  in pcf857x_output()
169 	mutex_unlock(&gpio->lock);  in pcf857x_output()
182 	struct pcf857x *gpio = gpiochip_get_data(chip);  in pcf857x_set_multiple()  local
185 	mutex_lock(&gpio->lock);  in pcf857x_set_multiple()
186 	gpio->out &= ~*mask;  in pcf857x_set_multiple()
187 	gpio->out |= *bits & *mask;  in pcf857x_set_multiple()
188 	status = gpio->write(gpio->client, gpio->out);  in pcf857x_set_multiple()
189 	mutex_unlock(&gpio->lock);  in pcf857x_set_multiple()
198 	struct pcf857x *gpio = data;  in pcf857x_irq()  local
201 	status = gpio->read(gpio->client);  in pcf857x_irq()
207 	mutex_lock(&gpio->lock);  in pcf857x_irq()
208 	change = (gpio->status ^ status) & gpio->irq_enabled;  in pcf857x_irq()
209 	gpio->status = status;  in pcf857x_irq()
210 	mutex_unlock(&gpio->lock);  in pcf857x_irq()
212 	for_each_set_bit(i, &change, gpio->chip.ngpio)  in pcf857x_irq()
213 		handle_nested_irq(irq_find_mapping(gpio->chip.irq.domain, i));  in pcf857x_irq()
225 	struct pcf857x *gpio = irq_data_get_irq_chip_data(data);  in pcf857x_irq_set_wake()  local
227 	return irq_set_irq_wake(gpio->client->irq, on);  in pcf857x_irq_set_wake()
232 	struct pcf857x *gpio = irq_data_get_irq_chip_data(data);  in pcf857x_irq_enable()  local
235 	gpiochip_enable_irq(&gpio->chip, hwirq);  in pcf857x_irq_enable()
236 	gpio->irq_enabled |= (1 << hwirq);  in pcf857x_irq_enable()
241 	struct pcf857x *gpio = irq_data_get_irq_chip_data(data);  in pcf857x_irq_disable()  local
244 	gpio->irq_enabled &= ~(1 << hwirq);  in pcf857x_irq_disable()
245 	gpiochip_disable_irq(&gpio->chip, hwirq);  in pcf857x_irq_disable()
250 	struct pcf857x *gpio = irq_data_get_irq_chip_data(data);  in pcf857x_irq_bus_lock()  local
252 	mutex_lock(&gpio->lock);  in pcf857x_irq_bus_lock()
257 	struct pcf857x *gpio = irq_data_get_irq_chip_data(data);  in pcf857x_irq_bus_sync_unlock()  local
259 	mutex_unlock(&gpio->lock);  in pcf857x_irq_bus_sync_unlock()
281 	struct pcf857x *gpio;  in pcf857x_probe()  local
286 	gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);  in pcf857x_probe()
287 	if (!gpio)  in pcf857x_probe()
290 	mutex_init(&gpio->lock);  in pcf857x_probe()
292 	gpio->chip.base			= -1;  in pcf857x_probe()
293 	gpio->chip.can_sleep		= true;  in pcf857x_probe()
294 	gpio->chip.parent		= &client->dev;  in pcf857x_probe()
295 	gpio->chip.owner		= THIS_MODULE;  in pcf857x_probe()
296 	gpio->chip.get			= pcf857x_get;  in pcf857x_probe()
297 	gpio->chip.get_multiple		= pcf857x_get_multiple;  in pcf857x_probe()
298 	gpio->chip.set			= pcf857x_set;  in pcf857x_probe()
299 	gpio->chip.set_multiple		= pcf857x_set_multiple;  in pcf857x_probe()
300 	gpio->chip.direction_input	= pcf857x_input;  in pcf857x_probe()
301 	gpio->chip.direction_output	= pcf857x_output;  in pcf857x_probe()
302 	gpio->chip.ngpio		= (uintptr_t)i2c_get_match_data(client);  in pcf857x_probe()
339 	if (gpio->chip.ngpio == 8) {  in pcf857x_probe()
340 		gpio->write	= i2c_write_le8;  in pcf857x_probe()
341 		gpio->read	= i2c_read_le8;  in pcf857x_probe()
357 	} else if (gpio->chip.ngpio == 16) {  in pcf857x_probe()
358 		gpio->write	= i2c_write_le16;  in pcf857x_probe()
359 		gpio->read	= i2c_read_le16;  in pcf857x_probe()
376 	gpio->chip.label = client->name;  in pcf857x_probe()
378 	gpio->client = client;  in pcf857x_probe()
379 	i2c_set_clientdata(client, gpio);  in pcf857x_probe()
396 	gpio->out = ~n_latch;  in pcf857x_probe()
397 	gpio->status = gpio->read(gpio->client);  in pcf857x_probe()
406 					dev_name(&client->dev), gpio);  in pcf857x_probe()
410 		girq = &gpio->chip.irq;  in pcf857x_probe()
421 	status = devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio);  in pcf857x_probe()
438 	struct pcf857x *gpio = i2c_get_clientdata(client);  in pcf857x_shutdown()  local
441 	gpio->write(gpio->client, BIT(gpio->chip.ngpio) - 1);  in pcf857x_shutdown()