30 struct ds2404_gpio {  struct
36 	struct ds2404_gpio *gpio;  argument
40 static struct ds2404_gpio ds2404_gpio[] = {  variable
51 	ds2404_gpio[DS2404_RST].gpio = pdata->gpio_rst;  in ds2404_gpio_map()
52 	ds2404_gpio[DS2404_CLK].gpio = pdata->gpio_clk;  in ds2404_gpio_map()
53 	ds2404_gpio[DS2404_DQ].gpio = pdata->gpio_dq;  in ds2404_gpio_map()
55 	for (i = 0; i < ARRAY_SIZE(ds2404_gpio); i++) {  in ds2404_gpio_map()
56 		err = gpio_request(ds2404_gpio[i].gpio, ds2404_gpio[i].name);  in ds2404_gpio_map()
59 				ds2404_gpio[i].name, err);  in ds2404_gpio_map()
63 			gpio_direction_output(ds2404_gpio[i].gpio, 1);  in ds2404_gpio_map()
66 	chip->gpio = ds2404_gpio;  in ds2404_gpio_map()
71 		gpio_free(ds2404_gpio[i].gpio);  in ds2404_gpio_map()
79 	for (i = 0; i < ARRAY_SIZE(ds2404_gpio); i++)  in ds2404_gpio_unmap()
80 		gpio_free(ds2404_gpio[i].gpio);  in ds2404_gpio_unmap()
85 	gpio_set_value(ds2404_gpio[DS2404_RST].gpio, 0);  in ds2404_reset()
87 	gpio_set_value(ds2404_gpio[DS2404_RST].gpio, 1);  in ds2404_reset()
88 	gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_reset()
89 	gpio_direction_output(ds2404_gpio[DS2404_DQ].gpio, 0);  in ds2404_reset()
97 	gpio_direction_output(ds2404_gpio[DS2404_DQ].gpio, 1);  in ds2404_write_byte()
99 		gpio_set_value(ds2404_gpio[DS2404_DQ].gpio, byte & (1 << i));  in ds2404_write_byte()
101 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 1);  in ds2404_write_byte()
103 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_write_byte()
113 	gpio_direction_input(ds2404_gpio[DS2404_DQ].gpio);  in ds2404_read_byte()
116 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_read_byte()
118 		if (gpio_get_value(ds2404_gpio[DS2404_DQ].gpio))  in ds2404_read_byte()
120 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 1);  in ds2404_read_byte()
171 	gpio_direction_input(ds2404_gpio[DS2404_DQ].gpio);  in ds2404_write_memory()
172 	while (gpio_get_value(ds2404_gpio[DS2404_DQ].gpio))  in ds2404_write_memory()