x86/PCI: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node()

There are no callers of get_mp_bus_to_node(), so we no longer need
mp_bus_to_node[], get_mp_bus_to_node(), or set_mp_bus_to_node().
This removes them.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 0 insertions, 69 deletions

diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index f7d6800f10d1..d491deddebae 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -683,72 +683,3 @@ int pci_ext_cfg_avail(void)
 	else
 		return 0;
 }
-
-/*
- * NUMA info for PCI busses
- *
- * Early arch code is responsible for filling in reasonable values here.
- * A node id of "-1" means "use current node".  In other words, if a bus
- * has a -1 node id, it's not tightly coupled to any particular chunk
- * of memory (as is the case on some Nehalem systems).
- */
-#ifdef CONFIG_NUMA
-
-#define BUS_NR 256
-
-#ifdef CONFIG_X86_64
-
-static int mp_bus_to_node[BUS_NR] = {
-	[0 ... BUS_NR - 1] = -1
-};
-
-void set_mp_bus_to_node(int busnum, int node)
-{
-	if (busnum >= 0 &&  busnum < BUS_NR)
-		mp_bus_to_node[busnum] = node;
-}
-
-int get_mp_bus_to_node(int busnum)
-{
-	int node = -1;
-
-	if (busnum < 0 || busnum > (BUS_NR - 1))
-		return node;
-
-	node = mp_bus_to_node[busnum];
-
-	/*
-	 * let numa_node_id to decide it later in dma_alloc_pages
-	 * if there is no ram on that node
-	 */
-	if (node != -1 && !node_online(node))
-		node = -1;
-
-	return node;
-}
-
-#else /* CONFIG_X86_32 */
-
-static int mp_bus_to_node[BUS_NR] = {
-	[0 ... BUS_NR - 1] = -1
-};
-
-void set_mp_bus_to_node(int busnum, int node)
-{
-	if (busnum >= 0 &&  busnum < BUS_NR)
-	mp_bus_to_node[busnum] = (unsigned char) node;
-}
-
-int get_mp_bus_to_node(int busnum)
-{
-	int node;
-
-	if (busnum < 0 || busnum > (BUS_NR - 1))
-		return 0;
-	node = mp_bus_to_node[busnum];
-	return node;
-}
-
-#endif /* CONFIG_X86_32 */
-
-#endif /* CONFIG_NUMA */