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| author | Nishanth Aravamudan <nacc@us.ibm.com> | 2010-10-26 17:35:15 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-12-09 15:17:50 +1100 |
| commit | 4af2da25ede8af6536254e92b6ed5c4026105870 (patch) | |
| tree | 6efc431b2a3cc64dd7d53e077a314d4a68d6892e /arch/powerpc | |
| parent | f4133236d6473072b5982c1182991eade6ff5bae (diff) | |
| download | linux-4af2da25ede8af6536254e92b6ed5c4026105870.tar.gz linux-4af2da25ede8af6536254e92b6ed5c4026105870.tar.bz2 linux-4af2da25ede8af6536254e92b6ed5c4026105870.zip | |
powerpc/pseries: Do not need to check for dma_window == NULL
The block in pci_dma_dev_setup_pSeriesLP for dma_window == NULL can be
removed because we will only teminate the loop if we had already allocated
a iommu table for that node or we found a window. While there may be
no window for the device, the intresting part is if we are reusing a
table or creating it for the first device under it.
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>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index dae3f8847117..0c1958ac1011 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -530,12 +530,6 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) } pr_debug(" parent is %s\n", pdn->full_name); - if (dma_window == NULL) { - pr_debug(" no dma window for device, linking to parent\n"); - set_iommu_table_base(&dev->dev, PCI_DN(pdn)->iommu_table); - return; - } - pci = PCI_DN(pdn); if (!pci->iommu_table) { tbl = kzalloc_node(sizeof(struct iommu_table), GFP_KERNEL, |