62 	struct usb_conn_info *info;  in usb_conn_detect_cable()  local
66 	info = container_of(to_delayed_work(work),  in usb_conn_detect_cable()
70 	id = info->id_gpiod ?  in usb_conn_detect_cable()
71 		gpiod_get_value_cansleep(info->id_gpiod) : 1;  in usb_conn_detect_cable()
72 	vbus = info->vbus_gpiod ?  in usb_conn_detect_cable()
73 		gpiod_get_value_cansleep(info->vbus_gpiod) : id;  in usb_conn_detect_cable()
82 	dev_dbg(info->dev, "role %d/%d, gpios: id %d, vbus %d\n",  in usb_conn_detect_cable()
83 		info->last_role, role, id, vbus);  in usb_conn_detect_cable()
85 	if (info->last_role == role) {  in usb_conn_detect_cable()
86 		dev_warn(info->dev, "repeated role: %d\n", role);  in usb_conn_detect_cable()
90 	if (info->last_role == USB_ROLE_HOST)  in usb_conn_detect_cable()
91 		regulator_disable(info->vbus);  in usb_conn_detect_cable()
93 	ret = usb_role_switch_set_role(info->role_sw, role);  in usb_conn_detect_cable()
95 		dev_err(info->dev, "failed to set role: %d\n", ret);  in usb_conn_detect_cable()
98 		ret = regulator_enable(info->vbus);  in usb_conn_detect_cable()
100 			dev_err(info->dev, "enable vbus regulator failed\n");  in usb_conn_detect_cable()
103 	info->last_role = role;  in usb_conn_detect_cable()
105 	dev_dbg(info->dev, "vbus regulator is %s\n",  in usb_conn_detect_cable()
106 		regulator_is_enabled(info->vbus) ? "enabled" : "disabled");  in usb_conn_detect_cable()
109 static void usb_conn_queue_dwork(struct usb_conn_info *info,  in usb_conn_queue_dwork()  argument
112 	queue_delayed_work(system_power_efficient_wq, &info->dw_det, delay);  in usb_conn_queue_dwork()
117 	struct usb_conn_info *info = dev_id;  in usb_conn_isr()  local
119 	usb_conn_queue_dwork(info, info->debounce_jiffies);  in usb_conn_isr()
127 	struct usb_conn_info *info;  in usb_conn_probe()  local
130 	info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);  in usb_conn_probe()
131 	if (!info)  in usb_conn_probe()
134 	info->dev = dev;  in usb_conn_probe()
135 	info->id_gpiod = devm_gpiod_get_optional(dev, "id", GPIOD_IN);  in usb_conn_probe()
136 	if (IS_ERR(info->id_gpiod))  in usb_conn_probe()
137 		return PTR_ERR(info->id_gpiod);  in usb_conn_probe()
139 	info->vbus_gpiod = devm_gpiod_get_optional(dev, "vbus", GPIOD_IN);  in usb_conn_probe()
140 	if (IS_ERR(info->vbus_gpiod))  in usb_conn_probe()
141 		return PTR_ERR(info->vbus_gpiod);  in usb_conn_probe()
143 	if (!info->id_gpiod && !info->vbus_gpiod) {  in usb_conn_probe()
148 	if (info->id_gpiod)  in usb_conn_probe()
149 		ret = gpiod_set_debounce(info->id_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
150 	if (!ret && info->vbus_gpiod)  in usb_conn_probe()
151 		ret = gpiod_set_debounce(info->vbus_gpiod, USB_GPIO_DEB_US);  in usb_conn_probe()
153 		info->debounce_jiffies = msecs_to_jiffies(USB_GPIO_DEB_MS);  in usb_conn_probe()
155 	INIT_DELAYED_WORK(&info->dw_det, usb_conn_detect_cable);  in usb_conn_probe()
157 	info->vbus = devm_regulator_get(dev, "vbus");  in usb_conn_probe()
158 	if (IS_ERR(info->vbus)) {  in usb_conn_probe()
160 		return PTR_ERR(info->vbus);  in usb_conn_probe()
163 	info->role_sw = usb_role_switch_get(dev);  in usb_conn_probe()
164 	if (IS_ERR(info->role_sw)) {  in usb_conn_probe()
165 		if (PTR_ERR(info->role_sw) != -EPROBE_DEFER)  in usb_conn_probe()
168 		return PTR_ERR(info->role_sw);  in usb_conn_probe()
171 	if (info->id_gpiod) {  in usb_conn_probe()
172 		info->id_irq = gpiod_to_irq(info->id_gpiod);  in usb_conn_probe()
173 		if (info->id_irq < 0) {  in usb_conn_probe()
175 			ret = info->id_irq;  in usb_conn_probe()
179 		ret = devm_request_threaded_irq(dev, info->id_irq, NULL,  in usb_conn_probe()
181 						pdev->name, info);  in usb_conn_probe()
188 	if (info->vbus_gpiod) {  in usb_conn_probe()
189 		info->vbus_irq = gpiod_to_irq(info->vbus_gpiod);  in usb_conn_probe()
190 		if (info->vbus_irq < 0) {  in usb_conn_probe()
192 			ret = info->vbus_irq;  in usb_conn_probe()
196 		ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL,  in usb_conn_probe()
198 						pdev->name, info);  in usb_conn_probe()
205 	platform_set_drvdata(pdev, info);  in usb_conn_probe()
208 	usb_conn_queue_dwork(info, 0);  in usb_conn_probe()
213 	usb_role_switch_put(info->role_sw);  in usb_conn_probe()
219 	struct usb_conn_info *info = platform_get_drvdata(pdev);  in usb_conn_remove()  local
221 	cancel_delayed_work_sync(&info->dw_det);  in usb_conn_remove()
223 	if (info->last_role == USB_ROLE_HOST)  in usb_conn_remove()
224 		regulator_disable(info->vbus);  in usb_conn_remove()
226 	usb_role_switch_put(info->role_sw);  in usb_conn_remove()
233 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_suspend()  local
235 	if (info->id_gpiod)  in usb_conn_suspend()
236 		disable_irq(info->id_irq);  in usb_conn_suspend()
237 	if (info->vbus_gpiod)  in usb_conn_suspend()
238 		disable_irq(info->vbus_irq);  in usb_conn_suspend()
247 	struct usb_conn_info *info = dev_get_drvdata(dev);  in usb_conn_resume()  local
251 	if (info->id_gpiod)  in usb_conn_resume()
252 		enable_irq(info->id_irq);  in usb_conn_resume()
253 	if (info->vbus_gpiod)  in usb_conn_resume()
254 		enable_irq(info->vbus_irq);  in usb_conn_resume()
256 	usb_conn_queue_dwork(info, 0);  in usb_conn_resume()