pci/hotplug/acpiphp_core.c

51 static int enable_slot(struct hotplug_slot *slot);
52 static int disable_slot(struct hotplug_slot *slot);
53 static int set_attention_status(struct hotplug_slot *slot, u8 value);
54 static int get_power_status(struct hotplug_slot *slot, u8 *value);
55 static int get_attention_status(struct hotplug_slot *slot, u8 *value);
56 static int get_latch_status(struct hotplug_slot *slot, u8 *value);
57 static int get_adapter_status(struct hotplug_slot *slot, u8 *value);
112  * enable_slot - power on and enable a slot
113  * @hotplug_slot: slot to enable
119 	struct slot *slot = to_slot(hotplug_slot);
121 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
123 	/* enable the specified slot */
124 	return acpiphp_enable_slot(slot->acpi_slot);
129  * disable_slot - disable and power off a slot
130  * @hotplug_slot: slot to disable
136 	struct slot *slot = to_slot(hotplug_slot);
138 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
140 	/* disable the specified slot */
141 	return acpiphp_disable_slot(slot->acpi_slot);
147  * @hotplug_slot: slot to set attention LED on
171  * get_power_status - get power status of a slot
172  * @hotplug_slot: slot to get status
180 	struct slot *slot = to_slot(hotplug_slot);
182 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
184 	*value = acpiphp_get_power_status(slot->acpi_slot);
192  * @hotplug_slot: slot to get status from
217  * get_latch_status - get latch status of a slot
218  * @hotplug_slot: slot to get status
226 	struct slot *slot = to_slot(hotplug_slot);
228 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
230 	*value = acpiphp_get_latch_status(slot->acpi_slot);
237  * get_adapter_status - get adapter status of a slot
238  * @hotplug_slot: slot to get status
246 	struct slot *slot = to_slot(hotplug_slot);
248 	pr_debug("%s - physical_slot = %s\n", __func__, slot_name(slot));
250 	*value = acpiphp_get_adapter_status(slot->acpi_slot);
255 /* callback routine to initialize 'struct slot' for each slot */
259 	struct slot *slot;
263 	slot = kzalloc(sizeof(*slot), GFP_KERNEL);
264 	if (!slot)
267 	slot->hotplug_slot.ops = &acpi_hotplug_slot_ops;
269 	slot->acpi_slot = acpiphp_slot;
271 	acpiphp_slot->slot = slot;
272 	slot->sun = sun;
275 	retval = pci_hp_register(&slot->hotplug_slot, acpiphp_slot->bus,
284 	pr_info("Slot [%s] registered\n", slot_name(slot));
288 	kfree(slot);
296 	struct slot *slot = acpiphp_slot->slot;
298 	pr_info("Slot [%s] unregistered\n", slot_name(slot));
300 	pci_hp_deregister(&slot->hotplug_slot);
301 	kfree(slot);