> +static inline unsigned long device_to_mask(struct device *hwdev)
> +{
> + struct pci_dev *pdev;
> +
> + if (!hwdev) {
> + pdev = ppc64_isabridge_dev;
> + if (!pdev) /* This is the best guess we can do */
> + return 0xfffffffful;
> + } else
> + pdev = to_pci_dev(hwdev);
> +
> + if (pdev->dma_mask)
> + return pdev->dma_mask;
> +
> + /* Assume devices without mask can take 32 bit addresses */
> + return 0xfffffffful;
> +}
Won't that blow up in flames with non-PCI devices like ... vio ?
We really need the kernel to move the dma mask to struct device instead
of struct pci_dev but that's a different debate ...
Ben.
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