diff options
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index e5db4d3f8bea..0d52107b90f0 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -318,35 +318,6 @@ int dma_set_mask(struct device *dev, u64 dma_mask) } EXPORT_SYMBOL(dma_set_mask); -u64 __dma_get_required_mask(struct device *dev) -{ - const struct dma_map_ops *dma_ops = get_dma_ops(dev); - - if (unlikely(dma_ops == NULL)) - return 0; - - if (dma_ops->get_required_mask) - return dma_ops->get_required_mask(dev); - - return DMA_BIT_MASK(8 * sizeof(dma_addr_t)); -} - -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); - static int __init dma_init(void) { #ifdef CONFIG_IBMVIO |