pci: Use a macro for accessing PCI BDF Bus Number

Currently when the Bus Number bits of a BDF are needed the bit
operations to get it are free coded. There are many places where the
Bus Number is used, so make a macro to use instead of free coding it
everytime.

Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/core/pci.c b/core/pci.c
index 56f0b2a..1f81c65 100644
--- a/core/pci.c
+++ b/core/pci.c
@@ -255,7 +255,7 @@ static struct pci_device *pci_scan_one(struct phb *phb, struct pci_device *paren
 	pd->is_bridge = (htype & 0x7f) != 0;
 	pd->is_vf = false;
 	pd->scan_map = 0xffffffff; /* Default */
-	pd->primary_bus = (bdfn >> 8);
+	pd->primary_bus = PCI_BUS_NUM(bdfn);
 
 	pci_init_capabilities(phb, pd);