msm_sdcc: Convert to clk_prepare/unprepare

Add calls to clk_prepare and unprepare so that MSM can migrate to
the common clock framework.

Cc: Chris Ball <cjb@laptop.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

drivers/mmc/host/msm_sdcc.c

@@ -1268,10 +1268,18 @@ msmsdcc_probe(struct platform_device *pdev)
 		goto clk_put;
 	}
 
+	ret = clk_prepare(host->pclk);
+	if (ret)
+		goto clk_put;
+
+	ret = clk_prepare(host->clk);
+	if (ret)
+		goto clk_unprepare_p;
+
 	/* Enable clocks */
 	ret = msmsdcc_enable_clocks(host);
 	if (ret)
-		goto clk_put;
+		goto clk_unprepare;
 
 	host->pclk_rate = clk_get_rate(host->pclk);
 	host->clk_rate = clk_get_rate(host->clk);
@@ -1386,6 +1394,10 @@ msmsdcc_probe(struct platform_device *pdev)
 		free_irq(host->stat_irq, host);
  clk_disable:
 	msmsdcc_disable_clocks(host, 0);
+ clk_unprepare:
+	clk_unprepare(host->clk);
+ clk_unprepare_p:
+	clk_unprepare(host->pclk);
  clk_put:
 	clk_put(host->clk);
  pclk_put: