rtc: rtc-mxc: convert to module_platform_driver

[cascardo/linux.git] / drivers / rtc / rtc-mxc.c

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index e3e50d6..cd01062 100644 (file)
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -343,7 +343,7 @@ static struct rtc_class_ops mxc_rtc_ops = {
        .alarm_irq_enable       = mxc_rtc_alarm_irq_enable,
 };
 
-static int __init mxc_rtc_probe(struct platform_device *pdev)
+static int __devinit mxc_rtc_probe(struct platform_device *pdev)
 {
        struct resource *res;
        struct rtc_device *rtc;
@@ -367,14 +367,14 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
        pdata->ioaddr = devm_ioremap(&pdev->dev, res->start,
                                     resource_size(res));
 
-       pdata->clk = clk_get(&pdev->dev, "rtc");
+       pdata->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(pdata->clk)) {
                dev_err(&pdev->dev, "unable to get clock!\n");
                ret = PTR_ERR(pdata->clk);
                goto exit_free_pdata;
        }
 
-       clk_enable(pdata->clk);
+       clk_prepare_enable(pdata->clk);
        rate = clk_get_rate(pdata->clk);
 
        if (rate == 32768)
@@ -426,22 +426,20 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 exit_clr_drvdata:
        platform_set_drvdata(pdev, NULL);
 exit_put_clk:
-       clk_disable(pdata->clk);
-       clk_put(pdata->clk);
+       clk_disable_unprepare(pdata->clk);
 
 exit_free_pdata:
 
        return ret;
 }
 
-static int __exit mxc_rtc_remove(struct platform_device *pdev)
+static int __devexit mxc_rtc_remove(struct platform_device *pdev)
 {
        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
        rtc_device_unregister(pdata->rtc);
 
-       clk_disable(pdata->clk);
-       clk_put(pdata->clk);
+       clk_disable_unprepare(pdata->clk);
        platform_set_drvdata(pdev, NULL);
 
        return 0;
@@ -482,21 +480,11 @@ static struct platform_driver mxc_rtc_driver = {
 #endif
                   .owner       = THIS_MODULE,
        },
-       .remove         = __exit_p(mxc_rtc_remove),
+       .probe = mxc_rtc_probe,
+       .remove = __devexit_p(mxc_rtc_remove),
 };
 
-static int __init mxc_rtc_init(void)
-{
-       return platform_driver_probe(&mxc_rtc_driver, mxc_rtc_probe);
-}
-
-static void __exit mxc_rtc_exit(void)
-{
-       platform_driver_unregister(&mxc_rtc_driver);
-}
-
-module_init(mxc_rtc_init);
-module_exit(mxc_rtc_exit);
+module_platform_driver(mxc_rtc_driver)
 
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
 MODULE_DESCRIPTION("RTC driver for Freescale MXC");