No need to set the device tree device_node pci node iommu pointer, its
only used for dlpar remove.
direct_dma_ops are the default, no need to restore them or dma bus ops
if we haven't set them in the error paths.
Signed-off-by: Milton Miller <milt...@bga.com>
Signed-off-by: Nishanth Aravamudan <n...@us.ibm.com>
---
arch/powerpc/sysdev/dart_iommu.c | 18 +-----------------
1 files changed, 1 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 559db2b..64fe9c7 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -302,17 +302,10 @@ 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;
}
void __init iommu_init_early_dart(void)
@@ -324,7 +317,7 @@ 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;
}
@@ -340,16 +333,7 @@ void __init iommu_init_early_dart(void)
/* Setup pci_dma ops */
set_pci_dma_ops(&dma_iommu_ops);
- return;
}
-
- bail:
- /* If init failed, use direct iommu and null setup functions */
- ppc_md.pci_dma_dev_setup = NULL;
- ppc_md.pci_dma_bus_setup = NULL;
-
- /* Setup pci_dma ops */
- set_pci_dma_ops(&dma_direct_ops);
}
#ifdef CONFIG_PM
--
1.7.0.4
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