xen/platform-pci: use define instead of literal number

Instead of "0x01" use the HVM_PARAM_CALLBACK_TYPE_PCI_INTX define from
the interface header in get_callback_via().

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>

diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index 6ebd819..cd07e3f 100644 (file)
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -54,7 +54,8 @@ static uint64_t get_callback_via(struct pci_dev *pdev)
        pin = pdev->pin;
 
        /* We don't know the GSI. Specify the PCI INTx line instead. */
-       return ((uint64_t)0x01 << HVM_CALLBACK_VIA_TYPE_SHIFT) | /* PCI INTx identifier */
+       return ((uint64_t)HVM_PARAM_CALLBACK_TYPE_PCI_INTX <<
+                         HVM_CALLBACK_VIA_TYPE_SHIFT) |
                ((uint64_t)pci_domain_nr(pdev->bus) << 32) |
                ((uint64_t)pdev->bus->number << 16) |
                ((uint64_t)(pdev->devfn & 0xff) << 8) |