Commit c3f27c83 authored by Lu Baolu's avatar Lu Baolu Committed by Joerg Roedel
Browse files

iommu/vt-d: Remove unused domain_get_iommu() 



It is not used anywhere. Remove it to avoid dead code.

Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Reviewed-by: default avatarSteve Wahl <steve.wahl@hpe.com>
Link: https://lore.kernel.org/r/20220702015610.2849494-2-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 5eaafdf0

drivers/iommu/intel/iommu.c

+0 −18
Original line number Diff line number Diff line
@@ -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) ?

drivers/iommu/intel/iommu.h

+0 −1
Original line number Diff line number Diff line
@@ -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);