diff options
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 1558f81ac1ff..59503ed98e5f 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -353,6 +353,13 @@ u64 dma_get_required_mask(struct device *dev) if (ppc_md.dma_get_required_mask) return ppc_md.dma_get_required_mask(dev); + if (dev_is_pci(dev)) { + struct pci_dev *pdev = to_pci_dev(dev); + struct pci_controller *phb = pci_bus_to_host(pdev->bus); + if (phb->controller_ops.dma_get_required_mask) + return phb->controller_ops.dma_get_required_mask(pdev); + } + return __dma_get_required_mask(dev); } EXPORT_SYMBOL_GPL(dma_get_required_mask); |