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path: root/drivers/pci/hotplug
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Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c9
-rw-r--r--drivers/pci/hotplug/pciehp.h1
-rw-r--r--drivers/pci/hotplug/pciehp_core.c7
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c18
4 files changed, 22 insertions, 13 deletions
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index fea0b8b33589..0a3b3f72c94b 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -455,8 +455,17 @@ int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus,
list_add(&slot->slot_list, &pci_hotplug_slot_list);
result = fs_add_slot(pci_slot);
+ if (result)
+ goto err_list_del;
+
kobject_uevent(&pci_slot->kobj, KOBJ_ADD);
dbg("Added slot %s to the list\n", name);
+ goto out;
+
+err_list_del:
+ list_del(&slot->slot_list);
+ pci_slot->hotplug = NULL;
+ pci_destroy_slot(pci_slot);
out:
mutex_unlock(&pci_hp_mutex);
return result;
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 2bba8481beb1..56c0b60df25e 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -132,6 +132,7 @@ int pciehp_unconfigure_device(struct slot *p_slot);
void pciehp_queue_pushbutton_work(struct work_struct *work);
struct controller *pcie_init(struct pcie_device *dev);
int pcie_init_notification(struct controller *ctrl);
+void pcie_shutdown_notification(struct controller *ctrl);
int pciehp_enable_slot(struct slot *p_slot);
int pciehp_disable_slot(struct slot *p_slot);
void pcie_reenable_notification(struct controller *ctrl);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 6620b1095046..a7485bc1e975 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -76,6 +76,12 @@ static int reset_slot(struct hotplug_slot *slot, int probe);
*/
static void release_slot(struct hotplug_slot *hotplug_slot)
{
+ struct slot *slot = hotplug_slot->private;
+
+ /* queued work needs hotplug_slot name */
+ cancel_delayed_work(&slot->work);
+ drain_workqueue(slot->wq);
+
kfree(hotplug_slot->ops);
kfree(hotplug_slot->info);
kfree(hotplug_slot);
@@ -278,6 +284,7 @@ static void pciehp_remove(struct pcie_device *dev)
{
struct controller *ctrl = get_service_data(dev);
+ pcie_shutdown_notification(ctrl);
cleanup_slot(ctrl);
pciehp_release_ctrl(ctrl);
}
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 8d811ea353c8..8b8b096167d7 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -562,8 +562,6 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
{
struct controller *ctrl = (struct controller *)dev_id;
struct pci_dev *pdev = ctrl_dev(ctrl);
- struct pci_bus *subordinate = pdev->subordinate;
- struct pci_dev *dev;
struct slot *slot = ctrl->slot;
u16 status, events;
u8 present;
@@ -611,14 +609,9 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
wake_up(&ctrl->queue);
}
- if (subordinate) {
- list_for_each_entry(dev, &subordinate->devices, bus_list) {
- if (dev->ignore_hotplug) {
- ctrl_dbg(ctrl, "ignoring hotplug event %#06x (%s requested no hotplug)\n",
- events, pci_name(dev));
- return IRQ_HANDLED;
- }
- }
+ if (pdev->ignore_hotplug) {
+ ctrl_dbg(ctrl, "ignoring hotplug event %#06x\n", events);
+ return IRQ_HANDLED;
}
/* Check Attention Button Pressed */
@@ -786,7 +779,7 @@ int pcie_init_notification(struct controller *ctrl)
return 0;
}
-static void pcie_shutdown_notification(struct controller *ctrl)
+void pcie_shutdown_notification(struct controller *ctrl)
{
if (ctrl->notification_enabled) {
pcie_disable_notification(ctrl);
@@ -821,7 +814,7 @@ abort:
static void pcie_cleanup_slot(struct controller *ctrl)
{
struct slot *slot = ctrl->slot;
- cancel_delayed_work(&slot->work);
+
destroy_workqueue(slot->wq);
kfree(slot);
}
@@ -902,7 +895,6 @@ abort:
void pciehp_release_ctrl(struct controller *ctrl)
{
- pcie_shutdown_notification(ctrl);
pcie_cleanup_slot(ctrl);
kfree(ctrl);
}