diff mbox series

[2/3] powerpc/64s/iommu: don't use atomic_ function on atomic64_t type

Message ID 20201111110723.3148665-3-npiggin@gmail.com (mailing list archive)
State Accepted
Commit c33cd1ed60013ec2ae50f91fed260def5f1d9851
Headers show
Series powerpc: convert to use ARCH_ATOMIC | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (80ecbe16c827714ce3741ed1f1d34488b903e717)
snowpatch_ozlabs/checkpatch warning total: 0 errors, 1 warnings, 0 checks, 8 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Nicholas Piggin Nov. 11, 2020, 11:07 a.m. UTC 
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/powerpc/mm/book3s64/iommu_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/powerpc/mm/book3s64/iommu_api.c b/arch/powerpc/mm/book3s64/iommu_api.c
index 563faa10bb66..685d7bb3d26f 100644
--- a/arch/powerpc/mm/book3s64/iommu_api.c
+++ b/arch/powerpc/mm/book3s64/iommu_api.c
@@ -263,7 +263,7 @@  long mm_iommu_put(struct mm_struct *mm, struct mm_iommu_table_group_mem_t *mem)
 		goto unlock_exit;
 
 	/* Are there still mappings? */
-	if (atomic_cmpxchg(&mem->mapped, 1, 0) != 1) {
+	if (atomic64_cmpxchg(&mem->mapped, 1, 0) != 1) {
 		++mem->used;
 		ret = -EBUSY;
 		goto unlock_exit;