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x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_on_node() 

pcibios_scan_root() looks up the bus's NUMA node, then calls
pci_scan_bus_on_node().  This uses pcibios_scan_root() directly and drops
the node lookup in the callers.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bjorn Helgaas 2014-01-24 11:50:48 -07:00
parent 8d7d818676
commit 3d2a366190
2 changed files with 2 additions and 6 deletions
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4
arch/x86/pci/irq.c
View File

@ -136,11 +136,9 @@ static void __init pirq_peer_trick(void)
busmap[e->bus] = 1;
}
for (i = 1; i < 256; i++) {
int node;
if (!busmap[i] || pci_find_bus(0, i))
continue;
node = get_mp_bus_to_node(i);
if (pci_scan_bus_on_node(i, &pci_root_ops, node))
if (pcibios_scan_root(i))
printk(KERN_INFO "PCI: Discovered primary peer "
"bus %02x [IRQ]\n", i);
}

4
arch/x86/pci/legacy.c
View File

@ -37,19 +37,17 @@ int __init pci_legacy_init(void)
void pcibios_scan_specific_bus(int busn)
{
int devfn;
long node;
u32 l;
if (pci_find_bus(0, busn))
return;
node = get_mp_bus_to_node(busn);
for (devfn = 0; devfn < 256; devfn += 8) {
if (!raw_pci_read(0, busn, devfn, PCI_VENDOR_ID, 2, &l) &&
l != 0x0000 && l != 0xffff) {
DBG("Found device at %02x:%02x [%04x]\n", busn, devfn, l);
printk(KERN_INFO "PCI: Discovered peer bus %02x\n", busn);
pci_scan_bus_on_node(busn, &pci_root_ops, node);
pcibios_scan_root(busn);
return;
}
}