From c3f27c834ae56c315a1fc47d71b027e2c400f4de Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Tue, 12 Jul 2022 08:09:03 +0800 Subject: [PATCH] iommu/vt-d: Remove unused domain_get_iommu() It is not used anywhere. Remove it to avoid dead code. Signed-off-by: Lu Baolu Reviewed-by: Kevin Tian Reviewed-by: Steve Wahl Link: https://lore.kernel.org/r/20220702015610.2849494-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel --- drivers/iommu/intel/iommu.c | 18 ------------------ drivers/iommu/intel/iommu.h | 1 - 2 files changed, 19 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 769e850..55a055a 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) ? diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index df64d3d..56e0d8c 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); -- 2.7.4