clps711xfb: convert to proc_fops

[safe/jmp/linux-2.6] / drivers / rtc / rtc-wm8350.c

diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
index 616630d..f1e4405 100644 (file)
--- a/drivers/rtc/rtc-wm8350.c
+++ b/drivers/rtc/rtc-wm8350.c
@@ -122,7 +122,7 @@ static int wm8350_rtc_settime(struct device *dev, struct rtc_time *tm)
        do {
                rtc_ctrl = wm8350_reg_read(wm8350, WM8350_RTC_TIME_CONTROL);
                schedule_timeout_uninterruptible(msecs_to_jiffies(1));
-       } while (retries-- && !(rtc_ctrl & WM8350_RTC_STS));
+       } while (--retries && !(rtc_ctrl & WM8350_RTC_STS));
 
        if (!retries) {
                dev_err(dev, "timed out on set confirmation\n");
@@ -315,9 +315,9 @@ static int wm8350_rtc_update_irq_enable(struct device *dev,
        return 0;
 }
 
-static void wm8350_rtc_alarm_handler(struct wm8350 *wm8350, int irq,
-                                    void *data)
+static irqreturn_t wm8350_rtc_alarm_handler(int irq, void *data)
 {
+       struct wm8350 *wm8350 = data;
        struct rtc_device *rtc = wm8350->rtc.rtc;
        int ret;
 
@@ -330,14 +330,18 @@ static void wm8350_rtc_alarm_handler(struct wm8350 *wm8350, int irq,
                dev_err(&(wm8350->rtc.pdev->dev),
                        "Failed to disable alarm: %d\n", ret);
        }
+
+       return IRQ_HANDLED;
 }
 
-static void wm8350_rtc_update_handler(struct wm8350 *wm8350, int irq,
-                                     void *data)
+static irqreturn_t wm8350_rtc_update_handler(int irq, void *data)
 {
+       struct wm8350 *wm8350 = data;
        struct rtc_device *rtc = wm8350->rtc.rtc;
 
        rtc_update_irq(rtc, 1, RTC_IRQF | RTC_UF);
+
+       return IRQ_HANDLED;
 }
 
 static const struct rtc_class_ops wm8350_rtc_ops = {
@@ -350,8 +354,9 @@ static const struct rtc_class_ops wm8350_rtc_ops = {
 };
 
 #ifdef CONFIG_PM
-static int wm8350_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8350_rtc_suspend(struct device *dev)
 {
+       struct platform_device *pdev = to_platform_device(dev);
        struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev);
        int ret = 0;
        u16 reg;
@@ -369,8 +374,9 @@ static int wm8350_rtc_suspend(struct platform_device *pdev, pm_message_t state)
        return ret;
 }
 
-static int wm8350_rtc_resume(struct platform_device *pdev)
+static int wm8350_rtc_resume(struct device *dev)
 {
+       struct platform_device *pdev = to_platform_device(dev);
        struct wm8350 *wm8350 = dev_get_drvdata(&pdev->dev);
        int ret;
 
@@ -437,7 +443,7 @@ static int wm8350_rtc_probe(struct platform_device *pdev)
                do {
                        timectl = wm8350_reg_read(wm8350,
                                                  WM8350_RTC_TIME_CONTROL);
-               } while (timectl & WM8350_RTC_STS && retries--);
+               } while (timectl & WM8350_RTC_STS && --retries);
 
                if (retries == 0) {
                        dev_err(&pdev->dev, "failed to start: timeout\n");
@@ -455,15 +461,14 @@ static int wm8350_rtc_probe(struct platform_device *pdev)
                return ret;
        }
 
-       wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
-       wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_PER);
-
        wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC,
-                           wm8350_rtc_update_handler, NULL);
+                           wm8350_rtc_update_handler, 0,
+                           "RTC Seconds", wm8350);
+       wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
 
        wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM,
-                           wm8350_rtc_alarm_handler, NULL);
-       wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_ALM);
+                           wm8350_rtc_alarm_handler, 0,
+                           "RTC Alarm", wm8350);
 
        return 0;
 }
@@ -473,8 +478,6 @@ static int __devexit wm8350_rtc_remove(struct platform_device *pdev)
        struct wm8350 *wm8350 = platform_get_drvdata(pdev);
        struct wm8350_rtc *wm_rtc = &wm8350->rtc;
 
-       wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
-
        wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC);
        wm8350_free_irq(wm8350, WM8350_IRQ_RTC_ALM);
 
@@ -483,13 +486,17 @@ static int __devexit wm8350_rtc_remove(struct platform_device *pdev)
        return 0;
 }
 
+static struct dev_pm_ops wm8350_rtc_pm_ops = {
+       .suspend = wm8350_rtc_suspend,
+       .resume = wm8350_rtc_resume,
+};
+
 static struct platform_driver wm8350_rtc_driver = {
        .probe = wm8350_rtc_probe,
        .remove = __devexit_p(wm8350_rtc_remove),
-       .suspend = wm8350_rtc_suspend,
-       .resume = wm8350_rtc_resume,
        .driver = {
                .name = "wm8350-rtc",
+               .pm = &wm8350_rtc_pm_ops,
        },
 };