pciehp: Adapt to device driver model

This patch adapts PCIEHP driver to PCI device driver model.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 6 insertions, 35 deletions

diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index c98e27128cc4..74d0bf62e649 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -161,9 +161,6 @@ extern int pciehp_unconfigure_device(struct slot *p_slot);
 extern void queue_pushbutton_work(struct work_struct *work);
 int pcie_init(struct controller *ctrl, struct pcie_device *dev);
 
-/* Global variables */
-extern struct controller *pciehp_ctrl_list;
-
 static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
 {
         struct slot *slot;
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 749227ecdb04..0550edf0ce25 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -42,7 +42,6 @@ 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"
 #define DRIVER_AUTHOR   "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
@@ -471,14 +470,6 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
 
         t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
 
-        if (!pciehp_ctrl_list) {
-                pciehp_ctrl_list = ctrl;
-                ctrl->next = NULL;
-        } else {
-                ctrl->next = pciehp_ctrl_list;
-                pciehp_ctrl_list = ctrl;
-        }
-
         t_slot->hpc_ops->get_adapter_status(t_slot, &value); /* Check if slot is occupied */
         if ((POWER_CTRL(ctrl->ctrlcap)) && !value) {
                 rc = t_slot->hpc_ops->power_off_slot(t_slot); /* Power off slot if not occupied*/
@@ -498,28 +489,14 @@ err_out_none:
         return -ENODEV;
 }
 
-static void __exit unload_pciehpd(void)
+static void pciehp_remove (struct pcie_device *dev)
 {
-        struct controller *ctrl;
-        struct controller *tctrl;
-
-        ctrl = pciehp_ctrl_list;
-
-        while (ctrl) {
-                cleanup_slots(ctrl);
-
-                ctrl->hpc_ops->release_ctlr(ctrl);
-
-                tctrl = ctrl;
-                ctrl = ctrl->next;
-
-                kfree(tctrl);
-        }
-}
+        struct pci_dev *pdev = dev->port;
+        struct controller *ctrl = pci_get_drvdata(pdev);
 
-static void pciehp_remove (struct pcie_device *device)
-{
-        /* XXX - Needs to be adapted to device driver model */
+        cleanup_slots(ctrl);
+        ctrl->hpc_ops->release_ctlr(ctrl);
+        kfree(ctrl);
 }
 
 #ifdef CONFIG_PM
@@ -578,10 +555,7 @@ static int __init pcied_init(void)
 static void __exit pcied_cleanup(void)
 {
         dbg("unload_pciehpd()\n");
-        unload_pciehpd();
-
         pcie_port_service_unregister(&hpdriver_portdrv);
-
         info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
 }