[MIPS] Remove obsolete isa_slot_offset

 The isa_slot_offset variable and its __ISA_IO_base macro is not used
anywhere anymore.  It does not look like a decent interface per today's
standards either.  Remove both including all places of initialization.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c
index 87e2c8f54e2d..d19d262157f2 100644
--- a/arch/mips/pci/pci-bcm1480.c
+++ b/arch/mips/pci/pci-bcm1480.c
@@ -254,8 +254,6 @@ static int __init bcm1480_pcibios_init(void)
                 ioremap(A_BCM1480_PHYS_PCI_IO_MATCH_BYTES, 65536);
         bcm1480_controller.io_map_base -= bcm1480_controller.io_offset;
         set_io_port_base(bcm1480_controller.io_map_base);
-        isa_slot_offset = (unsigned long)
-                ioremap(A_BCM1480_PHYS_PCI_MEM_MATCH_BYTES, 1024*1024);
 
         register_pci_controller(&bcm1480_controller);