28 	struct w1_gpio_platform_data *pdata = data;  in w1_gpio_set_pullup()  local
31 		pdata->pullup_duration = delay;  in w1_gpio_set_pullup()
33 		if (pdata->pullup_duration) {  in w1_gpio_set_pullup()
34 			gpio_direction_output(pdata->pin, 1);  in w1_gpio_set_pullup()
36 			msleep(pdata->pullup_duration);  in w1_gpio_set_pullup()
38 			gpio_direction_input(pdata->pin);  in w1_gpio_set_pullup()
40 		pdata->pullup_duration = 0;  in w1_gpio_set_pullup()
48 	struct w1_gpio_platform_data *pdata = data;  in w1_gpio_write_bit_dir()  local
51 		gpio_direction_input(pdata->pin);  in w1_gpio_write_bit_dir()
53 		gpio_direction_output(pdata->pin, 0);  in w1_gpio_write_bit_dir()
58 	struct w1_gpio_platform_data *pdata = data;  in w1_gpio_write_bit_val()  local
60 	gpio_set_value(pdata->pin, bit);  in w1_gpio_write_bit_val()
65 	struct w1_gpio_platform_data *pdata = data;  in w1_gpio_read_bit()  local
67 	return gpio_get_value(pdata->pin) ? 1 : 0;  in w1_gpio_read_bit()
80 	struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);  in w1_gpio_probe_dt()  local
84 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in w1_gpio_probe_dt()
85 	if (!pdata)  in w1_gpio_probe_dt()
89 		pdata->is_open_drain = 1;  in w1_gpio_probe_dt()
100 	pdata->pin = gpio;  in w1_gpio_probe_dt()
106 	pdata->ext_pullup_enable_pin = gpio;  in w1_gpio_probe_dt()
108 	pdev->dev.platform_data = pdata;  in w1_gpio_probe_dt()
116 	struct w1_gpio_platform_data *pdata;  in w1_gpio_probe()  local
125 	pdata = dev_get_platdata(&pdev->dev);  in w1_gpio_probe()
127 	if (!pdata) {  in w1_gpio_probe()
139 	err = devm_gpio_request(&pdev->dev, pdata->pin, "w1");  in w1_gpio_probe()
145 	if (gpio_is_valid(pdata->ext_pullup_enable_pin)) {  in w1_gpio_probe()
147 				pdata->ext_pullup_enable_pin, GPIOF_INIT_LOW,  in w1_gpio_probe()
156 	master->data = pdata;  in w1_gpio_probe()
159 	if (pdata->is_open_drain) {  in w1_gpio_probe()
160 		gpio_direction_output(pdata->pin, 1);  in w1_gpio_probe()
163 		gpio_direction_input(pdata->pin);  in w1_gpio_probe()
174 	if (pdata->enable_external_pullup)  in w1_gpio_probe()
175 		pdata->enable_external_pullup(1);  in w1_gpio_probe()
177 	if (gpio_is_valid(pdata->ext_pullup_enable_pin))  in w1_gpio_probe()
178 		gpio_set_value(pdata->ext_pullup_enable_pin, 1);  in w1_gpio_probe()
188 	struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);  in w1_gpio_remove()  local
190 	if (pdata->enable_external_pullup)  in w1_gpio_remove()
191 		pdata->enable_external_pullup(0);  in w1_gpio_remove()
193 	if (gpio_is_valid(pdata->ext_pullup_enable_pin))  in w1_gpio_remove()
194 		gpio_set_value(pdata->ext_pullup_enable_pin, 0);  in w1_gpio_remove()
203 	struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);  in w1_gpio_suspend()  local
205 	if (pdata->enable_external_pullup)  in w1_gpio_suspend()
206 		pdata->enable_external_pullup(0);  in w1_gpio_suspend()
213 	struct w1_gpio_platform_data *pdata = dev_get_platdata(dev);  in w1_gpio_resume()  local
215 	if (pdata->enable_external_pullup)  in w1_gpio_resume()
216 		pdata->enable_external_pullup(1);  in w1_gpio_resume()