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path: root/drivers/pci/hotplug
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-rw-r--r--drivers/pci/hotplug/pciehp.h2
-rw-r--r--drivers/pci/hotplug/pciehp_core.c7
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c15
3 files changed, 16 insertions, 8 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index db85284ffb62..39ae37589fda 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -111,6 +111,7 @@ struct controller {
111 int cmd_busy; 111 int cmd_busy;
112 unsigned int no_cmd_complete:1; 112 unsigned int no_cmd_complete:1;
113 unsigned int link_active_reporting:1; 113 unsigned int link_active_reporting:1;
114 unsigned int notification_enabled:1;
114}; 115};
115 116
116#define INT_BUTTON_IGNORE 0 117#define INT_BUTTON_IGNORE 0
@@ -170,6 +171,7 @@ extern int pciehp_configure_device(struct slot *p_slot);
170extern int pciehp_unconfigure_device(struct slot *p_slot); 171extern int pciehp_unconfigure_device(struct slot *p_slot);
171extern void pciehp_queue_pushbutton_work(struct work_struct *work); 172extern void pciehp_queue_pushbutton_work(struct work_struct *work);
172struct controller *pcie_init(struct pcie_device *dev); 173struct controller *pcie_init(struct pcie_device *dev);
174int pcie_init_notification(struct controller *ctrl);
173int pciehp_enable_slot(struct slot *p_slot); 175int pciehp_enable_slot(struct slot *p_slot);
174int pciehp_disable_slot(struct slot *p_slot); 176int pciehp_disable_slot(struct slot *p_slot);
175int pcie_enable_notification(struct controller *ctrl); 177int pcie_enable_notification(struct controller *ctrl);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index c2485542f543..681e3912b821 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -434,6 +434,13 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
434 goto err_out_release_ctlr; 434 goto err_out_release_ctlr;
435 } 435 }
436 436
437 /* Enable events after we have setup the data structures */
438 rc = pcie_init_notification(ctrl);
439 if (rc) {
440 ctrl_err(ctrl, "Notification initialization failed\n");
441 goto err_out_release_ctlr;
442 }
443
437 /* Check if slot is occupied */ 444 /* Check if slot is occupied */
438 t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset); 445 t_slot = pciehp_find_slot(ctrl, ctrl->slot_device_offset);
439 t_slot->hpc_ops->get_adapter_status(t_slot, &value); 446 t_slot->hpc_ops->get_adapter_status(t_slot, &value);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 71a8012886b0..7a16c6897bb9 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -934,7 +934,7 @@ static void pcie_disable_notification(struct controller *ctrl)
934 ctrl_warn(ctrl, "Cannot disable software notification\n"); 934 ctrl_warn(ctrl, "Cannot disable software notification\n");
935} 935}
936 936
937static int pcie_init_notification(struct controller *ctrl) 937int pcie_init_notification(struct controller *ctrl)
938{ 938{
939 if (pciehp_request_irq(ctrl)) 939 if (pciehp_request_irq(ctrl))
940 return -1; 940 return -1;
@@ -942,13 +942,17 @@ static int pcie_init_notification(struct controller *ctrl)
942 pciehp_free_irq(ctrl); 942 pciehp_free_irq(ctrl);
943 return -1; 943 return -1;
944 } 944 }
945 ctrl->notification_enabled = 1;
945 return 0; 946 return 0;
946} 947}
947 948
948static void pcie_shutdown_notification(struct controller *ctrl) 949static void pcie_shutdown_notification(struct controller *ctrl)
949{ 950{
950 pcie_disable_notification(ctrl); 951 if (ctrl->notification_enabled) {
951 pciehp_free_irq(ctrl); 952 pcie_disable_notification(ctrl);
953 pciehp_free_irq(ctrl);
954 ctrl->notification_enabled = 0;
955 }
952} 956}
953 957
954static int pcie_init_slot(struct controller *ctrl) 958static int pcie_init_slot(struct controller *ctrl)
@@ -1110,13 +1114,8 @@ struct controller *pcie_init(struct pcie_device *dev)
1110 if (pcie_init_slot(ctrl)) 1114 if (pcie_init_slot(ctrl))
1111 goto abort_ctrl; 1115 goto abort_ctrl;
1112 1116
1113 if (pcie_init_notification(ctrl))
1114 goto abort_slot;
1115
1116 return ctrl; 1117 return ctrl;
1117 1118
1118abort_slot:
1119 pcie_cleanup_slot(ctrl);
1120abort_ctrl: 1119abort_ctrl:
1121 kfree(ctrl); 1120 kfree(ctrl);
1122abort: 1121abort: