Release the TCE table as the XXX suggests, except on FW_FEATURE_ISERIES,
where the tables are allocated globally and reused.
Signed-off-by: Milton Miller <milt...@bga.com>
Signed-off-by: Nishanth Aravamudan <n...@us.ibm.com>
---
arch/powerpc/kernel/vio.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 72db4b0..d692989 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1184,7 +1184,12 @@ EXPORT_SYMBOL(vio_unregister_driver);
/* vio_dev refcount hit 0 */
static void __devinit vio_dev_release(struct device *dev)
{
- /* XXX should free TCE table */
+ struct iommu_table *tbl = get_iommu_table_base(dev);
+
+ /* iSeries uses a common table for all vio devices */
+ if (!firmware_has_feature(FW_FEATURE_ISERIES) && tbl)
+ iommu_free_table(tbl, dev->of_node ?
+ dev->of_node->full_name : dev_name(dev));
of_node_put(dev->of_node);
kfree(to_vio_dev(dev));
}
--
1.7.0.4
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