It is not used anywhere. Remove it to avoid dead code.
Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
---
drivers/iommu/intel/iommu.h | 1 -
drivers/iommu/intel/iommu.c | 18 ------------------
2 files changed, 19 deletions(-)
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h
index df64d3d9c49a..56e0d8cd2102 100644
--- a/drivers/iommu/intel/iommu.h
+++ b/drivers/iommu/intel/iommu.h
@@ -725,7 +725,6 @@ extern int dmar_ir_support(void);
void *alloc_pgtable_page(int node);
void free_pgtable_page(void *vaddr);
-struct intel_iommu *domain_get_iommu(struct dmar_domain *domain);
void iommu_flush_write_buffer(struct intel_iommu *iommu);
int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev);
struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn);
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index da6cfea0f0d6..781e060352e6 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -445,24 +445,6 @@ int iommu_calculate_agaw(struct intel_iommu *iommu)
return __iommu_calculate_agaw(iommu, DEFAULT_DOMAIN_ADDRESS_WIDTH);
}
-/* This functionin only returns single iommu in a domain */
-struct intel_iommu *domain_get_iommu(struct dmar_domain *domain)
-{
- int iommu_id;
-
- /* si_domain and vm domain should not get here. */
- if (WARN_ON(!iommu_is_dma_domain(&domain->domain)))
- return NULL;
-
- for_each_domain_iommu(iommu_id, domain)
- break;
-
- if (iommu_id < 0 || iommu_id >= g_num_of_iommus)
- return NULL;
-
- return g_iommus[iommu_id];
-}
-
static inline bool iommu_paging_structure_coherency(struct intel_iommu *iommu)
{
return sm_supported(iommu) ?
--
2.25.1
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