[PATCH 9/9] alpha/pci: Use dev_is_pci() to check whether it is pci device

[Yijing Wang]

Use PCI standard marco dev_is_pci() instead of directly compare
pci_bus_type to check whether it is pci device.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 arch/alpha/kernel/pci_iommu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index a21d0ab..eddee77 100644
--- 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,
-- 
1.7.1


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