drivers/rtc/rtc-wm831x.c: remove unused period IRQ handler

Due to changes in the RTC core the period interrupt is now unused so
delete the code managing it.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 20 deletions

diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
index bdc909bd56da..dabbd456dfe1 100644
--- a/drivers/rtc/rtc-wm831x.c
+++ b/drivers/rtc/rtc-wm831x.c
@@ -324,15 +324,6 @@ static irqreturn_t wm831x_alm_irq(int irq, void *data)
         return IRQ_HANDLED;
 }
 
-static irqreturn_t wm831x_per_irq(int irq, void *data)
-{
-        struct wm831x_rtc *wm831x_rtc = data;
-
-        rtc_update_irq(wm831x_rtc->rtc, 1, RTC_IRQF | RTC_UF);
-
-        return IRQ_HANDLED;
-}
-
 static const struct rtc_class_ops wm831x_rtc_ops = {
         .read_time = wm831x_rtc_readtime,
         .set_mmss = wm831x_rtc_set_mmss,
@@ -405,7 +396,6 @@ static int wm831x_rtc_probe(struct platform_device *pdev)
 {
         struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
         struct wm831x_rtc *wm831x_rtc;
-        int per_irq = platform_get_irq_byname(pdev, "PER");
         int alm_irq = platform_get_irq_byname(pdev, "ALM");
         int ret = 0;
 
@@ -433,14 +423,6 @@ static int wm831x_rtc_probe(struct platform_device *pdev)
                 goto err;
         }
 
-        ret = request_threaded_irq(per_irq, NULL, wm831x_per_irq,
-                                   IRQF_TRIGGER_RISING, "RTC period",
-                                   wm831x_rtc);
-        if (ret != 0) {
-                dev_err(&pdev->dev, "Failed to request periodic IRQ %d: %d\n",
-                        per_irq, ret);
-        }
-
         ret = request_threaded_irq(alm_irq, NULL, wm831x_alm_irq,
                                    IRQF_TRIGGER_RISING, "RTC alarm",
                                    wm831x_rtc);
@@ -459,11 +441,9 @@ err:
 static int __devexit wm831x_rtc_remove(struct platform_device *pdev)
 {
         struct wm831x_rtc *wm831x_rtc = platform_get_drvdata(pdev);
-        int per_irq = platform_get_irq_byname(pdev, "PER");
         int alm_irq = platform_get_irq_byname(pdev, "ALM");
 
         free_irq(alm_irq, wm831x_rtc);
-        free_irq(per_irq, wm831x_rtc);
         rtc_device_unregister(wm831x_rtc->rtc);
         kfree(wm831x_rtc);