51 static int init_slot(struct controller *ctrl)  in init_slot()  argument
67 	if (MRL_SENS(ctrl))  in init_slot()
69 	if (ATTN_LED(ctrl)) {  in init_slot()
72 	} else if (ctrl->pcie->port->hotplug_user_indicators) {  in init_slot()
78 	ctrl->hotplug_slot.ops = ops;  in init_slot()
79 	snprintf(name, SLOT_NAME_SIZE, "%u", PSN(ctrl));  in init_slot()
81 	retval = pci_hp_initialize(&ctrl->hotplug_slot,  in init_slot()
82 				   ctrl->pcie->port->subordinate, 0, name);  in init_slot()
84 		ctrl_err(ctrl, "pci_hp_initialize failed: error %d\n", retval);  in init_slot()
90 static void cleanup_slot(struct controller *ctrl)  in cleanup_slot()  argument
92 	struct hotplug_slot *hotplug_slot = &ctrl->hotplug_slot;  in cleanup_slot()
103 	struct controller *ctrl = to_ctrl(hotplug_slot);  in set_attention_status()  local
104 	struct pci_dev *pdev = ctrl->pcie->port;  in set_attention_status()
112 	pciehp_set_indicators(ctrl, INDICATOR_NOOP, status);  in set_attention_status()
119 	struct controller *ctrl = to_ctrl(hotplug_slot);  in get_power_status()  local
120 	struct pci_dev *pdev = ctrl->pcie->port;  in get_power_status()
123 	pciehp_get_power_status(ctrl, value);  in get_power_status()
130 	struct controller *ctrl = to_ctrl(hotplug_slot);  in get_latch_status()  local
131 	struct pci_dev *pdev = ctrl->pcie->port;  in get_latch_status()
134 	pciehp_get_latch_status(ctrl, value);  in get_latch_status()
141 	struct controller *ctrl = to_ctrl(hotplug_slot);  in get_adapter_status()  local
142 	struct pci_dev *pdev = ctrl->pcie->port;  in get_adapter_status()
146 	ret = pciehp_card_present_or_link_active(ctrl);  in get_adapter_status()
157  * @ctrl: controller to check
166 static void pciehp_check_presence(struct controller *ctrl)  in pciehp_check_presence()  argument
170 	down_read_nested(&ctrl->reset_lock, ctrl->depth);  in pciehp_check_presence()
171 	mutex_lock(&ctrl->state_lock);  in pciehp_check_presence()
173 	occupied = pciehp_card_present_or_link_active(ctrl);  in pciehp_check_presence()
174 	if ((occupied > 0 && (ctrl->state == OFF_STATE ||  in pciehp_check_presence()
175 			  ctrl->state == BLINKINGON_STATE)) ||  in pciehp_check_presence()
176 	    (!occupied && (ctrl->state == ON_STATE ||  in pciehp_check_presence()
177 			   ctrl->state == BLINKINGOFF_STATE)))  in pciehp_check_presence()
178 		pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);  in pciehp_check_presence()
180 	mutex_unlock(&ctrl->state_lock);  in pciehp_check_presence()
181 	up_read(&ctrl->reset_lock);  in pciehp_check_presence()
187 	struct controller *ctrl;  in pciehp_probe()  local
200 	ctrl = pcie_init(dev);  in pciehp_probe()
201 	if (!ctrl) {  in pciehp_probe()
205 	set_service_data(dev, ctrl);  in pciehp_probe()
208 	rc = init_slot(ctrl);  in pciehp_probe()
211 			ctrl_warn(ctrl, "Slot already registered by another hotplug driver\n");  in pciehp_probe()
213 			ctrl_err(ctrl, "Slot initialization failed (%d)\n", rc);  in pciehp_probe()
218 	rc = pcie_init_notification(ctrl);  in pciehp_probe()
220 		ctrl_err(ctrl, "Notification initialization failed (%d)\n", rc);  in pciehp_probe()
225 	rc = pci_hp_add(&ctrl->hotplug_slot);  in pciehp_probe()
227 		ctrl_err(ctrl, "Publication to user space failed (%d)\n", rc);  in pciehp_probe()
231 	pciehp_check_presence(ctrl);  in pciehp_probe()
236 	pcie_shutdown_notification(ctrl);  in pciehp_probe()
238 	cleanup_slot(ctrl);  in pciehp_probe()
240 	pciehp_release_ctrl(ctrl);  in pciehp_probe()
246 	struct controller *ctrl = get_service_data(dev);  in pciehp_remove()  local
248 	pci_hp_del(&ctrl->hotplug_slot);  in pciehp_remove()
249 	pcie_shutdown_notification(ctrl);  in pciehp_remove()
250 	cleanup_slot(ctrl);  in pciehp_remove()
251 	pciehp_release_ctrl(ctrl);  in pciehp_remove()
287 static bool pciehp_device_replaced(struct controller *ctrl)  in pciehp_device_replaced()  argument
292 	pdev = pci_get_slot(ctrl->pcie->port->subordinate, PCI_DEVFN(0, 0));  in pciehp_device_replaced()
307 	if (pci_get_dsn(pdev) != ctrl->dsn)  in pciehp_device_replaced()
315 	struct controller *ctrl = get_service_data(dev);  in pciehp_resume_noirq()  local
318 	ctrl->cmd_started = jiffies;  in pciehp_resume_noirq()
319 	ctrl->cmd_busy = true;  in pciehp_resume_noirq()
322 	if (ctrl->state == ON_STATE || ctrl->state == BLINKINGOFF_STATE) {  in pciehp_resume_noirq()
323 		pcie_clear_hotplug_events(ctrl);  in pciehp_resume_noirq()
331 		if (pciehp_device_replaced(ctrl)) {  in pciehp_resume_noirq()
332 			ctrl_dbg(ctrl, "device replaced during system sleep\n");  in pciehp_resume_noirq()
333 			pci_walk_bus(ctrl->pcie->port->subordinate,  in pciehp_resume_noirq()
335 			pciehp_request(ctrl, PCI_EXP_SLTSTA_PDC);  in pciehp_resume_noirq()
345 	struct controller *ctrl = get_service_data(dev);  in pciehp_resume()  local
348 		pcie_enable_interrupt(ctrl);  in pciehp_resume()
350 	pciehp_check_presence(ctrl);  in pciehp_resume()
363 	struct controller *ctrl = get_service_data(dev);  in pciehp_runtime_resume()  local
366 	ctrl->cmd_started = jiffies;  in pciehp_runtime_resume()
367 	ctrl->cmd_busy = true;  in pciehp_runtime_resume()
370 	if ((ctrl->state == ON_STATE || ctrl->state == BLINKINGOFF_STATE) &&  in pciehp_runtime_resume()
372 		pcie_clear_hotplug_events(ctrl);  in pciehp_runtime_resume()