powerpc/powernv: Check primary PHB through ID

The index of one specific PCI controller (struct pci_controller::
global_number) can tell that it's primary one or not. So we needn't
additional variable for that and just remove it.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index f472228..829047b 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1104,7 +1104,6 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
                                  u64 hub_id, int ioda_type)
 {
        struct pci_controller *hose;
-       static int primary = 1;
        struct pnv_phb *phb;
        unsigned long size, m32map_off, iomap_off, pemap_off;
        const u64 *prop64;
@@ -1164,8 +1163,7 @@ void __init pnv_pci_init_ioda_phb(struct device_node *np,
                phb->model = PNV_PHB_MODEL_UNKNOWN;
 
        /* Parse 32-bit and IO ranges (if any) */
-       pci_process_bridge_OF_ranges(phb->hose, np, primary);
-       primary = 0;
+       pci_process_bridge_OF_ranges(hose, np, !hose->global_number);
 
        /* Get registers */
        phb->regs = of_iomap(np, 0);