x86/PCI: Remove unused pci_root_bus

pci_root_bus is unused, so remove all references to it.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

4 files changed, 2 insertions, 4 deletions

diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 73e8eeff22ee..0126f104f0a5 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -54,7 +54,6 @@ void pcibios_set_cache_line_size(void);
 /* pci-pc.c */
 
 extern int pcibios_last_bus;
-extern struct pci_bus *pci_root_bus;
 extern struct pci_ops pci_root_ops;
 
 void pcibios_scan_specific_bus(int busn);
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 412e1286d1fc..505731b139f4 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -34,7 +34,6 @@ int noioapicreroute = 1;
 #endif
 int pcibios_last_bus = -1;
 unsigned long pirq_table_addr;
-struct pci_bus *pci_root_bus;
 const struct pci_raw_ops *__read_mostly raw_pci_ops;
 const struct pci_raw_ops *__read_mostly raw_pci_ext_ops;
 
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index a1df191129d3..a9e83083fb85 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -30,7 +30,7 @@ int __init pci_legacy_init(void)
         }
 
         printk("PCI: Probing PCI hardware\n");
-        pci_root_bus = pcibios_scan_root(0);
+        pcibios_scan_root(0);
         return 0;
 }
 
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index 83e125b95ca6..00edfe652b72 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -152,7 +152,7 @@ int __init pci_numaq_init(void)
 
         raw_pci_ops = &pci_direct_conf1_mq;
 
-        pci_root_bus = pcibios_scan_root(0);
+        pcibios_scan_root(0);
         if (num_online_nodes() > 1)
                 for_each_online_node(quad) {
                         if (quad == 0)