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path: root/drivers/pci/hotplug/pciehp_core.c
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Diffstat (limited to 'drivers/pci/hotplug/pciehp_core.c')
-rw-r--r--drivers/pci/hotplug/pciehp_core.c44
1 files changed, 8 insertions, 36 deletions
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index a92eda6e02f..749227ecdb0 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -41,6 +41,7 @@ int pciehp_debug;
int pciehp_poll_mode;
int pciehp_poll_time;
int pciehp_force;
+struct workqueue_struct *pciehp_wq;
struct controller *pciehp_ctrl_list;
#define DRIVER_VERSION "0.4"
@@ -62,7 +63,6 @@ MODULE_PARM_DESC(pciehp_force, "Force pciehp, even if _OSC and OSHP are missing"
#define PCIE_MODULE_NAME "pciehp"
-static int pcie_start_thread (void);
static int set_attention_status (struct hotplug_slot *slot, u8 value);
static int enable_slot (struct hotplug_slot *slot);
static int disable_slot (struct hotplug_slot *slot);
@@ -229,6 +229,8 @@ static int init_slots(struct controller *ctrl)
slot->device = ctrl->slot_device_offset + i;
slot->hpc_ops = ctrl->hpc_ops;
slot->number = ctrl->first_slot;
+ mutex_init(&slot->lock);
+ INIT_DELAYED_WORK(&slot->work, queue_pushbutton_work);
/* register this slot with the hotplug pci core */
hotplug_slot->private = slot;
@@ -286,6 +288,9 @@ static void cleanup_slots(struct controller *ctrl)
if (EMI(ctrl->ctrlcap))
sysfs_remove_file(&slot->hotplug_slot->kobj,
&hotplug_slot_attr_lock.attr);
+ cancel_delayed_work(&slot->work);
+ flush_scheduled_work();
+ flush_workqueue(pciehp_wq);
pci_hp_deregister(slot->hotplug_slot);
}
}
@@ -314,7 +319,7 @@ static int enable_slot(struct hotplug_slot *hotplug_slot)
dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
- return pciehp_enable_slot(slot);
+ return pciehp_sysfs_enable_slot(slot);
}
@@ -324,7 +329,7 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name);
- return pciehp_disable_slot(slot);
+ return pciehp_sysfs_disable_slot(slot);
}
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
@@ -466,9 +471,6 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
- /* Finish setting up the hot plug ctrl device */
- ctrl->next_event = 0;
-
if (!pciehp_ctrl_list) {
pciehp_ctrl_list = ctrl;
ctrl->next = NULL;
@@ -496,22 +498,6 @@ err_out_none:
return -ENODEV;
}
-
-static int pcie_start_thread(void)
-{
- int retval = 0;
-
- dbg("Initialize + Start the notification/polling mechanism \n");
-
- retval = pciehp_event_start_thread();
- if (retval) {
- dbg("pciehp_event_start_thread() failed\n");
- return retval;
- }
-
- return retval;
-}
-
static void __exit unload_pciehpd(void)
{
struct controller *ctrl;
@@ -529,10 +515,6 @@ static void __exit unload_pciehpd(void)
kfree(tctrl);
}
-
- /* Stop the notification mechanism */
- pciehp_event_stop_thread();
-
}
static void pciehp_remove (struct pcie_device *device)
@@ -585,21 +567,11 @@ static int __init pcied_init(void)
pciehp_poll_mode = 1;
#endif
- retval = pcie_start_thread();
- if (retval)
- goto error_hpc_init;
-
retval = pcie_port_service_register(&hpdriver_portdrv);
dbg("pcie_port_service_register = %d\n", retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval)
dbg("%s: Failure to register service\n", __FUNCTION__);
-
-error_hpc_init:
- if (retval) {
- pciehp_event_stop_thread();
- };
-
return retval;
}