MIPS: Loongson: PCI: use existing mips_io_port_base

mips_io_port_base is initialized via set_io_port_base() in
arch/mips/lemote/lm2e/setup.c, we can use it directly here.

Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/mips/lemote/lm2e/pci.c b/arch/mips/lemote/lm2e/pci.c
index 8be03a8e1ad4..152efb65bba1 100644
--- a/arch/mips/lemote/lm2e/pci.c
+++ b/arch/mips/lemote/lm2e/pci.c
@@ -84,10 +84,7 @@ static int __init pcibios_init(void)
 {
         ict_pcimap();
 
-        loongson2e_pci_controller.io_map_base =
-            (unsigned long) ioremap(LOONGSON2E_IO_PORT_BASE,
-                                    loongson2e_pci_io_resource.end -
-                                    loongson2e_pci_io_resource.start + 1);
+        loongson2e_pci_controller.io_map_base = mips_io_port_base;
 
         register_pci_controller(&loongson2e_pci_controller);