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-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda-tce.c3
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c4
2 files changed, 2 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
index 7639b2168755..697449afb3f7 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
@@ -368,6 +368,7 @@ void pnv_pci_unlink_table_and_group(struct iommu_table *tbl,
found = false;
for (i = 0; i < IOMMU_TABLE_GROUP_MAX_TABLES; ++i) {
if (table_group->tables[i] == tbl) {
+ iommu_tce_table_put(tbl);
table_group->tables[i] = NULL;
found = true;
break;
@@ -393,7 +394,7 @@ long pnv_pci_link_table_and_group(int node, int num,
tgl->table_group = table_group;
list_add_rcu(&tgl->next, &tbl->it_group_list);
- table_group->tables[num] = tbl;
+ table_group->tables[num] = iommu_tce_table_get(tbl);
return 0;
}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 59db3b0f23d3..62f45546e66e 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2714,10 +2714,6 @@ static long pnv_pci_ioda2_npu_unset_window(
static void pnv_ioda2_npu_take_ownership(struct iommu_table_group *table_group)
{
- /*
- * Detach NPU first as pnv_ioda2_take_ownership() will destroy
- * the iommu_table if 32bit DMA is enabled.
- */
pnv_npu_take_ownership(gpe_table_group_to_npe(table_group));
pnv_ioda2_take_ownership(table_group);
}
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