mmc: sdhci: assign to clk_mul when host version is upper than SD3.0

To prevent the wrong value check the SD version.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

drivers/mmc/sdhci.c

@@ -608,9 +608,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
 	 * In case of Host Controller v3.00, find out whether clock
 	 * multiplier is supported.
 	 */
-	caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
-	host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
-			SDHCI_CLOCK_MUL_SHIFT;
+	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
+		caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
+		host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
+				SDHCI_CLOCK_MUL_SHIFT;
+	}
 
 	return 0;
 }