x86/amd-iommu: Remove iommu_flush_domain function

This iommu_flush_tlb_pde function does essentially the same.
So the iommu_flush_domain function is redundant and can be
removed.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 2 insertions, 16 deletions

diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index c55aa079ded3..b2c19f41f238 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -528,20 +528,6 @@ static void flush_all_domains_on_iommu(struct amd_iommu *iommu)
 
 }
 
-/*
- * This function is used to flush the IO/TLB for a given protection domain
- * on every IOMMU in the system
- */
-static void iommu_flush_domain(u16 domid)
-{
-        struct amd_iommu *iommu;
-
-        INC_STATS_COUNTER(domain_flush_all);
-
-        for_each_iommu(iommu)
-                flush_domain_on_iommu(iommu, domid);
-}
-
 void amd_iommu_flush_all_domains(void)
 {
         struct amd_iommu *iommu;
@@ -1464,7 +1450,7 @@ static void update_domain(struct protection_domain *domain)
 
         update_device_table(domain);
         flush_devices_by_domain(domain);
-        iommu_flush_domain(domain->id);
+        iommu_flush_tlb_pde(domain);
 
         domain->updated = false;
 }
@@ -2377,7 +2363,7 @@ static void amd_iommu_unmap_range(struct iommu_domain *dom,
                 iova  += PAGE_SIZE;
         }
 
-        iommu_flush_domain(domain->id);
+        iommu_flush_tlb_pde(domain);
 }
 
 static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,