mmc: sdhci-of-arasan: remove disable clk_ahb from sdhci_arasan_resume

We don't really need disable clk_ahb when failing to resume. Otherwise
we may take risk of bus error for accessing register without clk_ahb.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-of-arasan.c

@@ -118,7 +118,6 @@ static int sdhci_arasan_resume(struct device *dev)
 	ret = clk_enable(pltfm_host->clk);
 	if (ret) {
 		dev_err(dev, "Cannot enable SD clock.\n");
-		clk_disable(sdhci_arasan->clk_ahb);
 		return ret;
 	}