[ACPI] suspend/resume ACPI PCI Interrupt Links

Add reference count and disable ACPI PCI Interrupt Link
when no device still uses it.

Warn when drivers have not released Link at suspend time.

http://bugzilla.kernel.org/show_bug.cgi?id=3469

Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index e00d9289201b..13f092977c0c 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -56,8 +56,9 @@
 /* ACPI PCI Interrupt Link (pci_link.c) */
 
 int acpi_irq_penalty_init (void);
-int acpi_pci_link_get_irq (acpi_handle handle, int index, int *edge_level,
+int acpi_pci_link_allocate_irq (acpi_handle handle, int index, int *edge_level,
         int *active_high_low, char **name);
+int acpi_pci_link_free_irq(acpi_handle handle);
 
 /* ACPI PCI Interrupt Routing (pci_irq.c) */