iommu/amd: Use dev_is_pci() to check whether it is pci device

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@huawei.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 72531f008a5e34ea871e7d3d3569a724af695d86..faf0da4bb3a2f84bfd69c911d8de100028b25b7e 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -248,8 +248,8 @@ static bool check_device(struct device *dev)
        if (!dev || !dev->dma_mask)
                return false;
 
-       /* No device or no PCI device */
-       if (dev->bus != &pci_bus_type)
+       /* No PCI device */
+       if (!dev_is_pci(dev))
                return false;
 
        devid = get_device_id(dev);