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alpha/PCI: Use dev_is_pci() to identify PCI devices
Use dev_is_pci() instead of checking bus type directly. Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -325,7 +325,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
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/* Helper for generic DMA-mapping functions. */
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static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
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{
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if (dev && dev->bus == &pci_bus_type)
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if (dev && dev_is_pci(dev))
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return to_pci_dev(dev);
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/* Assume that non-PCI devices asking for DMA are either ISA or EISA,
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