usb: 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: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index 9269782..524cbf2 100644 (file)
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -818,7 +818,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 #ifdef CONFIG_PCI
        /* EHCI 0.96 and later may have "extended capabilities" */
-       if (hcd->self.controller->bus == &pci_bus_type) {
+       if (dev_is_pci(hcd->self.controller)) {
                struct pci_dev  *pdev;
                u32             offset, cap, cap2;
                unsigned        count = 256/4;