static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
-static struct hotplug_slot_ops pciehp_hotplug_slot_ops = {
- .set_attention_status = set_attention_status,
- .enable_slot = enable_slot,
- .disable_slot = disable_slot,
- .get_power_status = get_power_status,
- .get_attention_status = get_attention_status,
- .get_latch_status = get_latch_status,
- .get_adapter_status = get_adapter_status,
- .get_max_bus_speed = get_max_bus_speed,
- .get_cur_bus_speed = get_cur_bus_speed,
-};
-
/**
* release_slot - free up the memory used by a slot
* @hotplug_slot: slot to free
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, hotplug_slot_name(hotplug_slot));
+ kfree(hotplug_slot->ops);
kfree(hotplug_slot->info);
kfree(hotplug_slot);
}
struct slot *slot = ctrl->slot;
struct hotplug_slot *hotplug = NULL;
struct hotplug_slot_info *info = NULL;
+ struct hotplug_slot_ops *ops = NULL;
char name[SLOT_NAME_SIZE];
int retval = -ENOMEM;
if (!info)
goto out;
+ /* Setup hotplug slot ops */
+ ops = kzalloc(sizeof(*ops), GFP_KERNEL);
+ if (!ops)
+ goto out;
+ ops->enable_slot = enable_slot;
+ ops->disable_slot = disable_slot;
+ ops->get_power_status = get_power_status;
+ ops->get_adapter_status = get_adapter_status;
+ ops->get_max_bus_speed = get_max_bus_speed;
+ ops->get_cur_bus_speed = get_cur_bus_speed;
+ if (MRL_SENS(ctrl))
+ ops->get_latch_status = get_latch_status;
+ if (ATTN_LED(ctrl)) {
+ ops->get_attention_status = get_attention_status;
+ ops->set_attention_status = set_attention_status;
+ }
+
/* register this slot with the hotplug pci core */
hotplug->info = info;
hotplug->private = slot;
hotplug->release = &release_slot;
- hotplug->ops = &pciehp_hotplug_slot_ops;
+ hotplug->ops = ops;
slot->hotplug_slot = hotplug;
snprintf(name, SLOT_NAME_SIZE, "%u", PSN(ctrl));
ctrl->pcie->port->subordinate->number, PSN(ctrl));
retval = pci_hp_register(hotplug,
ctrl->pcie->port->subordinate, 0, name);
- if (retval) {
+ if (retval)
ctrl_err(ctrl,
"pci_hp_register failed with error %d\n", retval);
- goto out;
- }
- get_power_status(hotplug, &info->power_status);
- get_attention_status(hotplug, &info->attention_status);
- get_latch_status(hotplug, &info->latch_status);
- get_adapter_status(hotplug, &info->adapter_status);
out:
if (retval) {
+ kfree(ops);
kfree(info);
kfree(hotplug);
}
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- hotplug_slot->info->attention_status = status;
-
- if (ATTN_LED(slot->ctrl))
- pciehp_set_attention_status(slot, status);
-
- return 0;
+ return pciehp_set_attention_status(slot, status);
}
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_power_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->power_status;
-
- return 0;
+ return pciehp_get_power_status(slot, value);
}
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_attention_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->attention_status;
-
- return 0;
+ return pciehp_get_attention_status(slot, value);
}
static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_latch_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->latch_status;
-
- return 0;
+ return pciehp_get_latch_status(slot, value);
}
static int get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_adapter_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->adapter_status;
-
- return 0;
+ return pciehp_get_adapter_status(slot, value);
}
static int get_max_bus_speed(struct hotplug_slot *hotplug_slot,
enum pci_bus_speed *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_max_link_speed(slot, value);
- if (retval < 0)
- *value = PCI_SPEED_UNKNOWN;
-
- return 0;
+ return pciehp_get_max_link_speed(slot, value);
}
static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_cur_link_speed(slot, value);
- if (retval < 0)
- *value = PCI_SPEED_UNKNOWN;
-
- return 0;
+ return pciehp_get_cur_link_speed(slot, value);
}
static int pciehp_probe(struct pcie_device *dev)
int rc;
struct controller *ctrl;
struct slot *slot;
- u8 value;
- struct pci_dev *pdev = dev->port;
+ u8 occupied, poweron;
if (pciehp_force)
dev_info(&dev->device,
"Bypassing BIOS check for pciehp use on %s\n",
- pci_name(pdev));
- else if (pciehp_get_hp_hw_control_from_firmware(pdev))
+ pci_name(dev->port));
+ else if (pciehp_get_hp_hw_control_from_firmware(dev->port))
goto err_out_none;
ctrl = pcie_init(dev);
rc = pcie_init_notification(ctrl);
if (rc) {
ctrl_err(ctrl, "Notification initialization failed\n");
- goto err_out_release_ctlr;
+ goto err_out_free_ctrl_slot;
}
/* Check if slot is occupied */
slot = ctrl->slot;
- pciehp_get_adapter_status(slot, &value);
- if (value) {
- if (pciehp_force)
- pciehp_enable_slot(slot);
- } else {
- /* Power off slot if not occupied */
- if (POWER_CTRL(ctrl)) {
- rc = pciehp_power_off_slot(slot);
- if (rc)
- goto err_out_free_ctrl_slot;
- }
- }
+ pciehp_get_adapter_status(slot, &occupied);
+ pciehp_get_power_status(slot, &poweron);
+ if (occupied && pciehp_force)
+ pciehp_enable_slot(slot);
+ /* If empty slot's power status is on, turn power off */
+ if (!occupied && poweron && POWER_CTRL(ctrl))
+ pciehp_power_off_slot(slot);
return 0;
projects / linux-flexiantxendom0-3.2.10.git / blobdiff