summaryrefslogtreecommitdiffstats
path: root/arch/x86_64/kernel/tce.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86_64/kernel/tce.c')
-rw-r--r--arch/x86_64/kernel/tce.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c
index 5530dda..cbabfdf 100644
--- a/arch/x86_64/kernel/tce.c
+++ b/arch/x86_64/kernel/tce.c
@@ -1,4 +1,6 @@
/*
+ * This file manages the translation entries for the IBM Calgary IOMMU.
+ *
* Derived from arch/powerpc/platforms/pseries/iommu.c
*
* Copyright (C) IBM Corporation, 2006
@@ -104,14 +106,6 @@ static int tce_table_setparms(struct pci_dev *dev, struct iommu_table *tbl)
/* set the tce table size - measured in entries */
tbl->it_size = table_size_to_number_of_entries(specified_table_size);
- tbl->it_base = (unsigned long)tce_table_kva[dev->bus->number];
- if (!tbl->it_base) {
- printk(KERN_ERR "Calgary: iommu_table_setparms: "
- "no table allocated?!\n");
- ret = -ENOMEM;
- goto done;
- }
-
/*
* number of bytes needed for the bitmap size in number of
* entries; we need one bit per entry
@@ -160,8 +154,6 @@ int build_tce_table(struct pci_dev *dev, void __iomem *bbar)
if (ret)
goto free_tbl;
- tce_free(tbl, 0, tbl->it_size);
-
tbl->bbar = bbar;
/*
OpenPOWER on IntegriCloud