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powerpc/dart: iommu table cleanup

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No need to set the device tree device_node pci node iommu pointer, its
only used for dlpar remove.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nishanth Aravamudan 2010-10-18 07:27:02 +00:00 committed by Benjamin Herrenschmidt
parent 741d204cee
commit 34c4d01255
1 changed files with 1 additions and 8 deletions
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9
arch/powerpc/sysdev/dart_iommu.c
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@ -312,17 +312,10 @@ static void pci_dma_dev_setup_dart(struct pci_dev *dev)
static void pci_dma_bus_setup_dart(struct pci_bus *bus)
{
struct device_node *dn;
if (!iommu_table_dart_inited) {
iommu_table_dart_inited = 1;
iommu_table_dart_setup();
}
dn = pci_bus_to_OF_node(bus);
if (dn)
PCI_DN(dn)->iommu_table = &iommu_table_dart;
}
static bool dart_device_on_pcie(struct device *dev)
@ -373,7 +366,7 @@ void __init iommu_init_early_dart(void)
if (dn == NULL) {
dn = of_find_compatible_node(NULL, "dart", "u4-dart");
if (dn == NULL)
goto bail;
return; /* use default direct_dma_ops */
dart_is_u4 = 1;
}