iommu/fsl_pamu: 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>
Acked-by: Varun Sethi <varun.sethi@freescale.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index c857c30da979..93072ba44b1d 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -691,7 +691,7 @@ static int fsl_pamu_attach_device(struct iommu_domain *domain,
          * Use LIODN of the PCI controller while attaching a
          * PCI device.
          */
-        if (dev->bus == &pci_bus_type) {
+        if (dev_is_pci(dev)) {
                 pdev = to_pci_dev(dev);
                 pci_ctl = pci_bus_to_host(pdev->bus);
                 /*
@@ -729,7 +729,7 @@ static void fsl_pamu_detach_device(struct iommu_domain *domain,
          * Use LIODN of the PCI controller while detaching a
          * PCI device.
          */
-        if (dev->bus == &pci_bus_type) {
+        if (dev_is_pci(dev)) {
                 pdev = to_pci_dev(dev);
                 pci_ctl = pci_bus_to_host(pdev->bus);
                 /*
@@ -1056,7 +1056,7 @@ static int fsl_pamu_add_device(struct device *dev)
          * For platform devices we allocate a separate group for
          * each of the devices.
          */
-        if (dev->bus == &pci_bus_type) {
+        if (dev_is_pci(dev)) {
                 pdev = to_pci_dev(dev);
                 /* Don't create device groups for virtual PCI bridges */
                 if (pdev->subordinate)