fix compilation of i.MX31 platforms

mxc_iomux_v3_init() is defined in arch/arm/plat-mxc/iomux-v3.c, which is
not linked for i.MX31 and produces an undefined reference error. Fix this
by building the offending code only for i.MX35.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c
index ad5a1122d765..bedf5b8d976a 100644
--- a/arch/arm/mach-mx3/mm.c
+++ b/arch/arm/mach-mx3/mm.c
@@ -81,6 +81,7 @@ void __init mx31_map_io(void)
         iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
 }
 
+#ifdef CONFIG_ARCH_MX35
 void __init mx35_map_io(void)
 {
         mxc_set_cpu_type(MXC_CPU_MX35);
@@ -89,6 +90,7 @@ void __init mx35_map_io(void)
 
         iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
 }
+#endif
 
 void __init mx31_init_irq(void)
 {