Patchwork [5/7] ppc/dart: iommu table cleanup

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Submitter Nishanth Aravamudan
Date Oct. 18, 2010, 5:27 p.m.
Message ID <1287422825-14999-6-git-send-email-nacc@us.ibm.com>
Download mbox | patch
Permalink /patch/68213/
State Accepted, archived
Commit 34c4d012554ed8c99b3fb25baea9bab3507e9f76
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Nishanth Aravamudan - Oct. 18, 2010, 5:27 p.m.
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>
---
 arch/powerpc/sysdev/dart_iommu.c |    9 +--------
 1 files changed, 1 insertions(+), 8 deletions(-)

Patch

diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 17cf15e..8e9e06a 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -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;
 	}