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>

diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index c857c30da9791e9a01f9630f293e5a0d1315dc47..93072ba44b1d179dff9a486cd728cf16ea645691 100644 (file)
--- 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)