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Diffstat (limited to 'arch/ppc64/kernel/iommu.c')
-rw-r--r--arch/ppc64/kernel/iommu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/iommu.c b/arch/ppc64/kernel/iommu.c
index 3441646..8316426 100644
--- a/arch/ppc64/kernel/iommu.c
+++ b/arch/ppc64/kernel/iommu.c
@@ -423,6 +423,9 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl)
tbl->it_largehint = tbl->it_halfpoint;
spin_lock_init(&tbl->it_lock);
+ /* Clear the hardware table in case firmware left allocations in it */
+ ppc_md.tce_free(tbl, tbl->it_offset, tbl->it_size);
+
if (!welcomed) {
printk(KERN_INFO "IOMMU table initialized, virtual merging %s\n",
novmerge ? "disabled" : "enabled");