[Xen-devel] [PATCH v2 07/10] arm: make it possible to disable the SMMU driver

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Introduce a Kconfig option for the ARM SMMUv1 and SMMUv2 driver.

Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: jbeulich@xxxxxxxx

---
Changes in v2:
- rename HAS_SMMUv2 to SMMUv2
- move SMMUv2 to xen/drivers/passthrough/Kconfig
---
 xen/drivers/passthrough/Kconfig      | 8 ++++++++
 xen/drivers/passthrough/arm/Makefile | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/Kconfig b/xen/drivers/passthrough/Kconfig
index 8d90b67..9bdce65 100644
--- a/xen/drivers/passthrough/Kconfig
+++ b/xen/drivers/passthrough/Kconfig
@@ -1,3 +1,11 @@
 
 config HAS_PASSTHROUGH
        bool
+
+config SMMUv2
+       bool "ARM SMMUv1 and v2 driver"
+       default y
+       depends on ARM
+       ---help---
+         Driver for the ARM SMMU version 1 and 2, a popular IOMMU by
+         ARM.
diff --git a/xen/drivers/passthrough/arm/Makefile 
b/xen/drivers/passthrough/arm/Makefile
index f4cd26e..290c2cd 100644
--- a/xen/drivers/passthrough/arm/Makefile
+++ b/xen/drivers/passthrough/arm/Makefile
@@ -1,2 +1,2 @@
 obj-y += iommu.o
-obj-y += smmu.o
+obj-$(SMMUv2) += smmu.o
-- 
1.9.1


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