The iova library is usable elsewhere than just the intel-iommu driver, thus
make it also buildable a module.
Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
---
drivers/iommu/Kconfig | 4 ++++
drivers/iommu/Makefile | 3 ++-
drivers/iommu/iova.c | 4 ++++
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index dd51122..b139748 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -87,11 +87,15 @@ config AMD_IOMMU_V2
config DMAR_TABLE
bool
+config IOMMU_IOVA
+ tristate
+
config INTEL_IOMMU
bool "Support for Intel IOMMU using DMA Remapping Devices"
depends on PCI_MSI && ACPI && (X86 || IA64_GENERIC)
select IOMMU_API
select DMAR_TABLE
+ select IOMMU_IOVA
help
DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices.
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
index 16edef7..66668a6 100644
--- a/drivers/iommu/Makefile
+++ b/drivers/iommu/Makefile
@@ -7,7 +7,8 @@ obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o
obj-$(CONFIG_AMD_IOMMU_V2) += amd_iommu_v2.o
obj-$(CONFIG_ARM_SMMU) += arm-smmu.o
obj-$(CONFIG_DMAR_TABLE) += dmar.o
-obj-$(CONFIG_INTEL_IOMMU) += iova.o intel-iommu.o
+obj-$(CONFIG_INTEL_IOMMU) += intel-iommu.o
+obj-$(CONFIG_IOMMU_IOVA) += iova.o
obj-$(CONFIG_IPMMU_VMSA) += ipmmu-vmsa.o
obj-$(CONFIG_IRQ_REMAP) += intel_irq_remapping.o irq_remapping.o
obj-$(CONFIG_OMAP_IOMMU) += omap-iommu.o
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index e9e62f4..c9142b2 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -18,6 +18,7 @@
*/
#include <linux/iova.h>
+#include <linux/module.h>
#include <linux/slab.h>
void
@@ -542,3 +543,6 @@ error:
free_iova_mem(prev);
return NULL;
}
+
+MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamur...@intel.com>");
+MODULE_LICENSE("GPL");
--
2.1.0.231.g7484e3b
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