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[Xen-devel,7/7] xen/smmu: Add a new config define for legacy SMMU

Message ID 20180209031055.21926-8-sameer.goel@linaro.org
State Superseded
Headers show
Series SMMUv3 driver | expand

Commit Message

Sameer Goel Feb. 9, 2018, 3:10 a.m. UTC
Add a new config item to control compilation for legacy arm SMMU.

Signed-off-by: Sameer Goel <sameer.goel@linaro.org>
---
 xen/drivers/passthrough/arm/Kconfig  | 6 ++++++
 xen/drivers/passthrough/arm/Makefile | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/xen/drivers/passthrough/arm/Kconfig b/xen/drivers/passthrough/arm/Kconfig
index cda899f608..e888a78312 100644
--- a/xen/drivers/passthrough/arm/Kconfig
+++ b/xen/drivers/passthrough/arm/Kconfig
@@ -6,3 +6,9 @@  config ARM_SMMU_v3
 	 Support for implementations of the ARM System MMU architecture
 	 version 3.
 
+config ARM_SMMU
+	bool "ARM Legacy SMMU Support"
+	depends on ARM
+	help
+	 Support for implementations of the ARM System MMU architecture
+	 version 1 and 2.
diff --git a/xen/drivers/passthrough/arm/Makefile b/xen/drivers/passthrough/arm/Makefile
index e14732b55c..5b3eb1545e 100644
--- a/xen/drivers/passthrough/arm/Makefile
+++ b/xen/drivers/passthrough/arm/Makefile
@@ -1,3 +1,3 @@ 
 obj-y += iommu.o
-obj-y += smmu.o
+obj-$(CONFIG_ARM_SMMU) += smmu.o
 obj-$(CONFIG_ARM_SMMU_v3) += smmu-v3.o