diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index e1136f4..084abd1 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -1078,7 +1078,7 @@
 		.reg_div = { .reg = S5P_CLK_DIV3, .shift = 24, .size = 4 },
 	}, {
 		.clk	= {
-			.name		= "mmc_bus",
+			.name		= "sclk_mmc",
 			.id		= 0,
 			.ctrlbit	= (1 << 12),
 			.enable		= s5pc100_sclk1_ctrl,
@@ -1089,7 +1089,7 @@
 		.reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 },
 	}, {
 		.clk	= {
-			.name		= "mmc_bus",
+			.name		= "sclk_mmc",
 			.id		= 1,
 			.ctrlbit	= (1 << 13),
 			.enable		= s5pc100_sclk1_ctrl,
@@ -1100,7 +1100,7 @@
 		.reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 },
 	}, {
 		.clk	= {
-			.name		= "mmc_bus",
+			.name		= "sclk_mmc",
 			.id		= 2,
 			.ctrlbit	= (1 << 14),
 			.enable		= s5pc100_sclk1_ctrl,
diff --git a/arch/arm/mach-s5pc100/setup-sdhci.c b/arch/arm/mach-s5pc100/setup-sdhci.c
index ea7ff19..f16946e 100644
--- a/arch/arm/mach-s5pc100/setup-sdhci.c
+++ b/arch/arm/mach-s5pc100/setup-sdhci.c
@@ -26,10 +26,10 @@
 /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
 
 char *s5pc100_hsmmc_clksrcs[4] = {
-	[0] = "hsmmc",
-	[1] = "hsmmc",
-	/* [2] = "mmc_bus", not yet successfully used yet */
-	/* [3] = "48m", - note not successfully used yet */
+	[0] = "hsmmc",		/* HCLK */
+	/* [1] = "hsmmc",	- duplicate HCLK entry */
+	[2] = "sclk_mmc",	/* mmc_bus */
+	/* [3] = "48m",		- note not successfully used yet */
 };