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powerpc/dma: remove set_dma_offset

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There is no good reason for this helper, just opencode it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christoph Hellwig
2019-02-13 08:01:32 +01:00
committed by Michael Ellerman
parent 7610fdf5e0
commit 0617fc0ca4
8 changed files with 11 additions and 20 deletions
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7
arch/powerpc/platforms/pseries/iommu.c
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@@ -1202,7 +1202,6 @@ static bool iommu_bypass_supported_pSeriesLP(struct pci_dev *pdev, u64 dma_mask)
{
struct device_node *dn = pci_device_to_OF_node(pdev), *pdn;
const __be32 *dma_window = NULL;
u64 dma_offset;
/* only attempt to use a new window if 64-bit DMA is requested */
if (dma_mask < DMA_BIT_MASK(64))
@@ -1224,11 +1223,9 @@ static bool iommu_bypass_supported_pSeriesLP(struct pci_dev *pdev, u64 dma_mask)
}
if (pdn && PCI_DN(pdn)) {
dma_offset = enable_ddw(pdev, pdn);
if (dma_offset != 0) {
set_dma_offset(&pdev->dev, dma_offset);
pdev->dev.archdata.dma_offset = enable_ddw(pdev, pdn);
if (pdev->dev.archdata.dma_offset)
return true;
}
}
return false;