diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 9793ff45deb4333b4e45b5d8587f51532f25bba0..b88aec269df518d51b102576ef37c52b2e6719ef 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -82,8 +82,10 @@ static void __init trout_map_io(void)
 }
 
 MACHINE_START(TROUT, "HTC Dream")
+#ifdef CONFIG_MSM_DEBUG_UART
 	.phys_io	= MSM_DEBUG_UART_PHYS,
 	.io_pg_offst	= ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc,
+#endif
 	.boot_params	= 0x10000100,
 	.fixup		= trout_fixup,
 	.map_io		= trout_map_io,