ppc64: remove pciconfig_iobase, its broken when IO resources are > 4GB

arch/ppc64/kernel/misc.S

@@ -705,7 +705,7 @@ _GLOBAL(sys_call_table32)
 	.llong .sys_fstat64
 	.llong .sys32_pciconfig_read
 	.llong .sys32_pciconfig_write
-	.llong .sys_ni_syscall		/* 200 - reserved for sys_pciconfig_iobase */
+	.llong .sys_ni_syscall		/* 200 - old pciconfig_iobase */
 	.llong .sys_ni_syscall		/* reserved for MacOnLinux */
 	.llong .sys_getdents64
 	.llong .sys_pivot_root
@@ -948,7 +948,7 @@ _GLOBAL(sys_call_table)
 	.llong .sys_ni_syscall		/* 32bit only fstat64 */
 	.llong .sys_ni_syscall		/* 32bit only pciconfig_read */
 	.llong .sys_ni_syscall		/* 32bit only pciconfig_write */
-	.llong .sys_ni_syscall		/* 200 - reserved - sys_pciconfig_iobase */
+	.llong .sys_ni_syscall		/* 200 - old pciconfig_iobase */
 	.llong .sys_ni_syscall		/* reserved for MacOnLinux */
 	.llong .sys_getdents64
 	.llong .sys_pivot_root

arch/ppc64/kernel/pci.c

@@ -729,36 +729,6 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 	return ret;
 }
 
-/* Provide information on locations of various I/O regions in physical
- * memory.  Do this on a per-card basis so that we choose the right
- * root bridge.
- * Note that the returned IO or memory base is a physical address
- */
-
-long
-sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
-{
-	struct pci_controller* hose = pci_bus_to_hose(bus);
-	long result = -EOPNOTSUPP;
-
-	if (!hose)
-		return -ENODEV;
-	
-	switch (which) {
-	case IOBASE_BRIDGE_NUMBER:
-		return (long)hose->first_busno;
-	case IOBASE_MEMORY:
-		return (long)hose->pci_mem_offset;
-	case IOBASE_IO:
-		return (long)hose->io_base_phys;
-	case IOBASE_ISA_IO:
-		return (long)isa_io_base;
-	case IOBASE_ISA_MEM:
-		return (long)isa_mem_base;
-	}
-
-	return result;
-}
 /************************************************************************/
 /* Formats the device information and location for service.             */
 /* - Pass in pci_dev* pointer to the device.                            */