x86, irq, devicetree: Release IOAPIC pin when PCI device is disabled

Release IOAPIC pin associated with PCI device when the PCI device
is disabled.

Signed-off-by: Jiang Liu <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: Paul Gortmaker <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Tony Lindgren <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index f33bb436b8f4..3d3503351242 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -226,6 +226,7 @@ static int ioapic_xlate(struct irq_domain *domain,
 
 const struct irq_domain_ops ioapic_irq_domain_ops = {
 	.map = mp_irqdomain_map,
+	.unmap = mp_irqdomain_unmap,
 	.xlate = ioapic_xlate,
 };