amd-iommu: introduce for_each_iommu* macros

This patch introduces the for_each_iommu and for_each_iommu_safe macros
to simplify the developers life when having to iterate over all AMD
IOMMUs in the system.

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

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 8c0be0902dac..675a4b642f70 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -679,7 +679,7 @@ static void __init free_iommu_all(void)
 {
         struct amd_iommu *iommu, *next;
 
-        list_for_each_entry_safe(iommu, next, &amd_iommu_list, list) {
+        for_each_iommu_safe(iommu, next) {
                 list_del(&iommu->list);
                 free_iommu_one(iommu);
                 kfree(iommu);
@@ -779,7 +779,7 @@ static int __init iommu_setup_msix(struct amd_iommu *iommu)
         struct msix_entry entries[32]; /* only 32 supported by AMD IOMMU */
         int nvec = 0, i;
 
-        list_for_each_entry(curr, &amd_iommu_list, list) {
+        for_each_iommu(curr) {
                 if (curr->dev == iommu->dev) {
                         entries[nvec].entry = curr->evt_msi_num;
                         entries[nvec].vector = 0;
@@ -818,7 +818,7 @@ static int __init iommu_setup_msi(struct amd_iommu *iommu)
         int r;
         struct amd_iommu *curr;
 
-        list_for_each_entry(curr, &amd_iommu_list, list) {
+        for_each_iommu(curr) {
                 if (curr->dev == iommu->dev)
                         curr->int_enabled = true;
         }
@@ -971,7 +971,7 @@ static void __init enable_iommus(void)
 {
         struct amd_iommu *iommu;
 
-        list_for_each_entry(iommu, &amd_iommu_list, list) {
+        for_each_iommu(iommu) {
                 iommu_set_exclusion_range(iommu);
                 iommu_init_msi(iommu);
                 iommu_enable_event_logging(iommu);