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>

diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index a21d0ab3b19e1cf3f57f7c95e2a0b5dbe4ab8e9d..eddee77203431fb9d50d7c0feb313f26d5985d8e 100644 (file)
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -325,7 +325,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
 /* Helper for generic DMA-mapping functions. */
 static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
 {
-       if (dev && dev->bus == &pci_bus_type)
+       if (dev && dev_is_pci(dev))
                return to_pci_dev(dev);
 
        /* Assume that non-PCI devices asking for DMA are either ISA or EISA,