irqchip: GICv3: ITS: enable compilation of the ITS driver

Get the show on the road...

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1416839720-18400-13-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

3 files changed, 6 insertions, 0 deletions

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index ac9afde76dea..1f49c288457b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -13,6 +13,7 @@ config ARM64
         select ARM_GIC
         select AUDIT_ARCH_COMPAT_GENERIC
         select ARM_GIC_V3
+        select ARM_GIC_V3_ITS if PCI_MSI
         select BUILDTIME_EXTABLE_SORT
         select CLONE_BACKWARDS
         select COMMON_CLK
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 4631685dfe43..aaa260b89a2a 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -16,6 +16,10 @@ config ARM_GIC_V3
         select MULTI_IRQ_HANDLER
         select IRQ_DOMAIN_HIERARCHY
 
+config ARM_GIC_V3_ITS
+        bool
+        select PCI_MSI_IRQ_DOMAIN
+
 config ARM_NVIC
         bool
         select IRQ_DOMAIN
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 173bb5fa2cc9..ec3621d5ca87 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_ARCH_SUNXI)		+= irq-sunxi-nmi.o
 obj-$(CONFIG_ARCH_SPEAR3XX)             += spear-shirq.o
 obj-$(CONFIG_ARM_GIC)                   += irq-gic.o irq-gic-common.o
 obj-$(CONFIG_ARM_GIC_V3)                += irq-gic-v3.o irq-gic-common.o
+obj-$(CONFIG_ARM_GIC_V3_ITS)            += irq-gic-v3-its.o
 obj-$(CONFIG_ARM_NVIC)                  += irq-nvic.o
 obj-$(CONFIG_ARM_VIC)                   += irq-vic.o
 obj-$(CONFIG_ATMEL_AIC_IRQ)             += irq-atmel-aic-common.o irq-atmel-aic.o