diff --git a/[refs] b/[refs]
index c83bb6e980d2..96eaffdad201 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 810f613c03a1614c71a2b27859e91ae155bd659f
+refs/heads/master: a4e946947b966d018f3f712d5c7ca2932c2aadd2
diff --git a/trunk/arch/arm/mach-s3c6410/mach-smdk6410.c b/trunk/arch/arm/mach-s3c6410/mach-smdk6410.c
index e7bae539af43..eb5de981c094 100644
--- a/trunk/arch/arm/mach-s3c6410/mach-smdk6410.c
+++ b/trunk/arch/arm/mach-s3c6410/mach-smdk6410.c
@@ -155,6 +155,16 @@ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
 	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 };
 
+/*
+ * Configuring Ethernet on SMDK6410
+ *
+ * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
+ * The constant address below corresponds to nCS1
+ *
+ *  1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
+ *  2) CFG6 needs to be switched to "LAN9115" side
+ */
+
 static struct resource smdk6410_smsc911x_resources[] = {
 	[0] = {
 		.start = S3C64XX_PA_XM0CSN1,