RTC: Cleanup rtc_class_ops->irq_set_freq()

With the generic rtc code now emulating PIE mode irqs via an
hrtimer, no one calls the rtc_class_ops->irq_set_freq call.

This patch removes the hook and deletes the driver functions
if no one else calls them.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Alessandro Zummo <a.zummo@towertech.it>
CC: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
CC: rtc-linux@googlegroups.com
Signed-off-by: John Stultz <john.stultz@linaro.org>

1 files changed, 0 insertions, 15 deletions

diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index b216ae5389c8..a1fdc802598a 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -209,20 +209,6 @@ static void pxa_rtc_release(struct device *dev)
         free_irq(pxa_rtc->irq_1Hz, dev);
 }
 
-static int pxa_periodic_irq_set_freq(struct device *dev, int freq)
-{
-        struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
-        int period_ms;
-
-        if (freq < 1 || freq > MAXFREQ_PERIODIC)
-                return -EINVAL;
-
-        period_ms = 1000 / freq;
-        rtc_writel(pxa_rtc, PIAR, period_ms);
-
-        return 0;
-}
-
 static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
@@ -336,7 +322,6 @@ static const struct rtc_class_ops pxa_rtc_ops = {
         .alarm_irq_enable = pxa_alarm_irq_enable,
         .update_irq_enable = pxa_update_irq_enable,
         .proc = pxa_rtc_proc,
-        .irq_set_freq = pxa_periodic_irq_set_freq,
 };
 
 static int __init pxa_rtc_probe(struct platform_device *pdev)