X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Frtc%2Frtc-mxc.c;h=25ec921db07c8a4f5b1ef9f3f2016329007c8f7e;hb=5cf8f57d44d16652336fabdd65e727a6e6f98cd5;hp=d71fe61db1d655427e3d10b40113482ee2063a4e;hpb=18e41da89d55014d25b9a24502ee92b7f50599f9;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index d71fe61db1d6..25ec921db07c 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -379,7 +379,6 @@ static struct rtc_class_ops mxc_rtc_ops = {
 
 static int __init mxc_rtc_probe(struct platform_device *pdev)
 {
-	struct clk *clk;
 	struct resource *res;
 	struct rtc_device *rtc;
 	struct rtc_plat_data *pdata = NULL;
@@ -402,14 +401,15 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	pdata->ioaddr = devm_ioremap(&pdev->dev, res->start,
 				     resource_size(res));
 
-	clk = clk_get(&pdev->dev, "ckil");
-	if (IS_ERR(clk)) {
-		ret = PTR_ERR(clk);
+	pdata->clk = clk_get(&pdev->dev, "rtc");
+	if (IS_ERR(pdata->clk)) {
+		dev_err(&pdev->dev, "unable to get clock!\n");
+		ret = PTR_ERR(pdata->clk);
 		goto exit_free_pdata;
 	}
 
-	rate = clk_get_rate(clk);
-	clk_put(clk);
+	clk_enable(pdata->clk);
+	rate = clk_get_rate(pdata->clk);
 
 	if (rate == 32768)
 		reg = RTC_INPUT_CLK_32768HZ;
@@ -420,7 +420,7 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	else {
 		dev_err(&pdev->dev, "rtc clock is not valid (%lu)\n", rate);
 		ret = -EINVAL;
-		goto exit_free_pdata;
+		goto exit_put_clk;
 	}
 
 	reg |= RTC_ENABLE_BIT;
@@ -428,18 +428,9 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	if (((readw(pdata->ioaddr + RTC_RTCCTL)) & RTC_ENABLE_BIT) == 0) {
 		dev_err(&pdev->dev, "hardware module can't be enabled!\n");
 		ret = -EIO;
-		goto exit_free_pdata;
-	}
-
-	pdata->clk = clk_get(&pdev->dev, "rtc");
-	if (IS_ERR(pdata->clk)) {
-		dev_err(&pdev->dev, "unable to get clock!\n");
-		ret = PTR_ERR(pdata->clk);
-		goto exit_free_pdata;
+		goto exit_put_clk;
 	}
 
-	clk_enable(pdata->clk);
-
 	rtc = rtc_device_register(pdev->name, &pdev->dev, &mxc_rtc_ops,
 				  THIS_MODULE);
 	if (IS_ERR(rtc)) {