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path: root/drivers/pci/hotplug/s390_pci_hpc.c
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Diffstat (limited to 'drivers/pci/hotplug/s390_pci_hpc.c')
-rw-r--r--drivers/pci/hotplug/s390_pci_hpc.c60
1 files changed, 26 insertions, 34 deletions
diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c
index dee68e0698e1..7db249a25016 100644
--- a/drivers/pci/hotplug/s390_pci_hpc.c
+++ b/drivers/pci/hotplug/s390_pci_hpc.c
@@ -172,25 +172,6 @@ error:
return -ENOMEM;
}
-static int __init init_pci_slots(void)
-{
- struct zpci_dev *zdev;
- int device = 0;
-
- /*
- * Create a structure for each slot, and register that slot
- * with the pci_hotplug subsystem.
- */
- mutex_lock(&zpci_list_lock);
- list_for_each_entry(zdev, &zpci_list, entry) {
- init_pci_slot(zdev);
- device++;
- }
-
- mutex_unlock(&zpci_list_lock);
- return (device) ? 0 : -ENODEV;
-}
-
static void exit_pci_slot(struct zpci_dev *zdev)
{
struct list_head *tmp, *n;
@@ -205,6 +186,26 @@ static void exit_pci_slot(struct zpci_dev *zdev)
}
}
+static struct pci_hp_callback_ops hp_ops = {
+ .create_slot = init_pci_slot,
+ .remove_slot = exit_pci_slot,
+};
+
+static void __init init_pci_slots(void)
+{
+ struct zpci_dev *zdev;
+
+ /*
+ * Create a structure for each slot, and register that slot
+ * with the pci_hotplug subsystem.
+ */
+ mutex_lock(&zpci_list_lock);
+ list_for_each_entry(zdev, &zpci_list, entry) {
+ init_pci_slot(zdev);
+ }
+ mutex_unlock(&zpci_list_lock);
+}
+
static void __exit exit_pci_slots(void)
{
struct list_head *tmp, *n;
@@ -224,28 +225,19 @@ static void __exit exit_pci_slots(void)
static int __init pci_hotplug_s390_init(void)
{
- /*
- * Do specific initialization stuff for your driver here
- * like initializing your controller hardware (if any) and
- * determining the number of slots you have in the system
- * right now.
- */
-
- if (!pci_probe)
+ if (!s390_pci_probe)
return -EOPNOTSUPP;
- /* register callbacks for slot handling from arch code */
- mutex_lock(&zpci_list_lock);
- hotplug_ops.create_slot = init_pci_slot;
- hotplug_ops.remove_slot = exit_pci_slot;
- mutex_unlock(&zpci_list_lock);
- pr_info("registered hotplug slot callbacks\n");
- return init_pci_slots();
+ zpci_register_hp_ops(&hp_ops);
+ init_pci_slots();
+
+ return 0;
}
static void __exit pci_hotplug_s390_exit(void)
{
exit_pci_slots();
+ zpci_deregister_hp_ops();
}
module_init(pci_hotplug_s390_init);