diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index 6a39dac56f2d..2e0bd74f4030 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -48,7 +48,7 @@ struct dw_mci_rockchip_priv_data {
  */
 static int rockchip_mmc_get_phase(struct dw_mci *host, bool sample)
 {
-	unsigned long rate = clk_get_rate(host->ciu_clk);
+	unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
 	u32 raw_value;
 	u16 degrees;
 	u32 delay_num = 0;
@@ -79,7 +79,7 @@ static int rockchip_mmc_get_phase(struct dw_mci *host, bool sample)
 
 static int rockchip_mmc_set_phase(struct dw_mci *host, bool sample, int degrees)
 {
-	unsigned long rate = clk_get_rate(host->ciu_clk);
+	unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
 	u8 nineties, remainder;
 	u8 delay_num;
 	u32 raw_value;