44 struct ds2404_gpio {  struct
50 	struct ds2404_gpio *gpio;  argument
55 static struct ds2404_gpio ds2404_gpio[] = {  variable
66 	ds2404_gpio[DS2404_RST].gpio = pdata->gpio_rst;  in ds2404_gpio_map()
67 	ds2404_gpio[DS2404_CLK].gpio = pdata->gpio_clk;  in ds2404_gpio_map()
68 	ds2404_gpio[DS2404_DQ].gpio = pdata->gpio_dq;  in ds2404_gpio_map()
70 	for (i = 0; i < ARRAY_SIZE(ds2404_gpio); i++) {  in ds2404_gpio_map()
71 		err = gpio_request(ds2404_gpio[i].gpio, ds2404_gpio[i].name);  in ds2404_gpio_map()
74 				ds2404_gpio[i].name, err);  in ds2404_gpio_map()
78 			gpio_direction_output(ds2404_gpio[i].gpio, 1);  in ds2404_gpio_map()
81 	chip->gpio = ds2404_gpio;  in ds2404_gpio_map()
86 		gpio_free(ds2404_gpio[i].gpio);  in ds2404_gpio_map()
94 	for (i = 0; i < ARRAY_SIZE(ds2404_gpio); i++)  in ds2404_gpio_unmap()
95 		gpio_free(ds2404_gpio[i].gpio);  in ds2404_gpio_unmap()
105 	gpio_set_value(ds2404_gpio[DS2404_RST].gpio, 0);  in ds2404_reset()
107 	gpio_set_value(ds2404_gpio[DS2404_RST].gpio, 1);  in ds2404_reset()
108 	gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_reset()
109 	gpio_direction_output(ds2404_gpio[DS2404_DQ].gpio, 0);  in ds2404_reset()
117 	gpio_direction_output(ds2404_gpio[DS2404_DQ].gpio, 1);  in ds2404_write_byte()
119 		gpio_set_value(ds2404_gpio[DS2404_DQ].gpio, byte & (1 << i));  in ds2404_write_byte()
121 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 1);  in ds2404_write_byte()
123 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_write_byte()
133 	gpio_direction_input(ds2404_gpio[DS2404_DQ].gpio);  in ds2404_read_byte()
136 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 0);  in ds2404_read_byte()
138 		if (gpio_get_value(ds2404_gpio[DS2404_DQ].gpio))  in ds2404_read_byte()
140 		gpio_set_value(ds2404_gpio[DS2404_CLK].gpio, 1);  in ds2404_read_byte()
191 	gpio_direction_input(ds2404_gpio[DS2404_DQ].gpio);  in ds2404_write_memory()
192 	while (gpio_get_value(ds2404_gpio[DS2404_DQ].gpio))  in ds2404_write_memory()