diff --git a/arch/arm/mach-rk30/common.c b/arch/arm/mach-rk30/common.c
index 4c08dfa51141..6f2d7a1db6b3 100755
--- a/arch/arm/mach-rk30/common.c
+++ b/arch/arm/mach-rk30/common.c
@@ -42,9 +42,10 @@ static void __init rk30_cpu_axi_init(void)
 
 static void __init rk30_io_drive_strength_init(void)
 {
-//modifyed by xbw£»at 2013-01-26
-//This value must be set in accordance with the actual situation.
+//modifyed  by xbw£»at 2013-01-26
+//This voltage value must be set in accordance with the actual situation.
 //so set the value in each driver their own file.
+
 #if 0 //#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
 	writel_relaxed(0x11001100, RK30_GRF_BASE + GRF_IO_CON4);
 #endif