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PCI: pciehp: Handle interrupts that happen during initialization.

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Move the enabling of interrupts after all of the data structures
are setup so that we can safely run the interrupt handler as
soon as it is registered.

Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Tested-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Jesse Barnes <jbarnes@hobbes.lan>
This commit is contained in:
Eric W. Biederman
2009-01-28 19:31:18 -08:00
committed by Jesse Barnes
parent 1dec6b054d
commit dbc7e1e567
3 changed files with 16 additions and 8 deletions
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15
drivers/pci/hotplug/pciehp_hpc.c
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@ -934,7 +934,7 @@ static void pcie_disable_notification(struct controller *ctrl)
ctrl_warn(ctrl, "Cannot disable software notification\n");
}
static int pcie_init_notification(struct controller *ctrl)
int pcie_init_notification(struct controller *ctrl)
{
if (pciehp_request_irq(ctrl))
return -1;
@ -942,13 +942,17 @@ static int pcie_init_notification(struct controller *ctrl)
pciehp_free_irq(ctrl);
return -1;
}
ctrl->notification_enabled = 1;
return 0;
}
static void pcie_shutdown_notification(struct controller *ctrl)
{
pcie_disable_notification(ctrl);
pciehp_free_irq(ctrl);
if (ctrl->notification_enabled) {
pcie_disable_notification(ctrl);
pciehp_free_irq(ctrl);
ctrl->notification_enabled = 0;
}
}
static int pcie_init_slot(struct controller *ctrl)
@ -1110,13 +1114,8 @@ struct controller *pcie_init(struct pcie_device *dev)
if (pcie_init_slot(ctrl))
goto abort_ctrl;
if (pcie_init_notification(ctrl))
goto abort_slot;
return ctrl;
abort_slot:
pcie_cleanup_slot(ctrl);
abort_ctrl:
kfree(ctrl);
abort: