From: Marc Zyngier <marc.zyngier@arm.com>
Date: Mon, 13 Nov 2017 17:25:59 +0000
Subject: irqchip/gic-v3-its: Remove artificial dependency on PCI
Git-commit: 29f411399aaa2e53882858e01d21981f3c301e2a
Patch-mainline: v4.15-rc1
References: fate#326530,fate#326531,fate#326535,fate#326538,fate#326539
The GICv3 ITS doesn't really depend on PCI. Only the PCI/MSI
part of it does, and there is no reason not to blow away most
of the irqchip stack because PCI is not selected (though not
selecting PCI seem to be asking for punishment, but hey...).
So let's split the PCI-specific part from the ITS in the Kconfig
file, and let's make that part depend on PCI. Architecture specific
hacks (arch/arm{,64}/Kconfig) will be addressed in a separate patch.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/irqchip/Kconfig | 7 +++++++
drivers/irqchip/Makefile | 3 ++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index ccfb14de57e4..3f637f3055e9 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -41,8 +41,15 @@ config ARM_GIC_V3
config ARM_GIC_V3_ITS
bool
+ select GENERIC_MSI_IRQ_DOMAIN
+ default ARM_GIC_V3
+
+config ARM_GIC_V3_ITS_PCI
+ bool
+ depends on ARM_GIC_V3_ITS
depends on PCI
depends on PCI_MSI
+ default ARM_GIC_V3_ITS
config ARM_NVIC
bool
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index dee3390390d5..b5cdf759d8fe 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -28,7 +28,8 @@ obj-$(CONFIG_ARM_GIC_PM) += irq-gic-pm.o
obj-$(CONFIG_ARCH_REALVIEW) += irq-gic-realview.o
obj-$(CONFIG_ARM_GIC_V2M) += irq-gic-v2m.o
obj-$(CONFIG_ARM_GIC_V3) += irq-gic-v3.o irq-gic-common.o
-obj-$(CONFIG_ARM_GIC_V3_ITS) += irq-gic-v3-its.o irq-gic-v3-its-pci-msi.o irq-gic-v3-its-platform-msi.o irq-gic-v4.o
+obj-$(CONFIG_ARM_GIC_V3_ITS) += irq-gic-v3-its.o irq-gic-v3-its-platform-msi.o irq-gic-v4.o
+obj-$(CONFIG_ARM_GIC_V3_ITS_PCI) += irq-gic-v3-its-pci-msi.o
obj-$(CONFIG_PARTITION_PERCPU) += irq-partition-percpu.o
obj-$(CONFIG_HISILICON_IRQ_MBIGEN) += irq-mbigen.o
obj-$(CONFIG_ARM_NVIC) += irq-nvic.o
--
2.11.0