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authorJohn Stultz <john.stultz@linaro.org>2011-02-03 22:34:50 +0300
committerJohn Stultz <john.stultz@linaro.org>2011-03-09 22:23:34 +0300
commit80d4bb515b78f38738f3378fd1be6039063ab040 (patch)
tree92e3f938097fa9f8de5c80886b1d0d724cb37b47 /drivers/rtc/rtc-pl031.c
parentf44f7f96a20af16f6f12e1c995576d6becf5f57b (diff)
downloadlinux-80d4bb515b78f38738f3378fd1be6039063ab040.tar.xz
RTC: Cleanup rtc_class_ops->irq_set_state
With PIE mode interrupts now emulated in generic code via an hrtimer, no one calls rtc_class_ops->irq_set_state(), so this patch removes it along with driver implementations. 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>
Diffstat (limited to 'drivers/rtc/rtc-pl031.c')
-rw-r--r--drivers/rtc/rtc-pl031.c34
1 files changed, 0 insertions, 34 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index b7a6690e5b35..0e7c15b24c1c 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -293,38 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return ret;
}
-/* Periodic interrupt is only available in ST variants. */
-static int pl031_irq_set_state(struct device *dev, int enabled)
-{
- struct pl031_local *ldata = dev_get_drvdata(dev);
-
- if (enabled == 1) {
- /* Clear any pending timer interrupt. */
- writel(RTC_BIT_PI, ldata->base + RTC_ICR);
-
- writel(readl(ldata->base + RTC_IMSC) | RTC_BIT_PI,
- ldata->base + RTC_IMSC);
-
- /* Now start the timer */
- writel(readl(ldata->base + RTC_TCR) | RTC_TCR_EN,
- ldata->base + RTC_TCR);
-
- } else {
- writel(readl(ldata->base + RTC_IMSC) & (~RTC_BIT_PI),
- ldata->base + RTC_IMSC);
-
- /* Also stop the timer */
- writel(readl(ldata->base + RTC_TCR) & (~RTC_TCR_EN),
- ldata->base + RTC_TCR);
- }
- /* Wait at least 1 RTC32 clock cycle to ensure next access
- * to RTC_TCR will succeed.
- */
- udelay(40);
-
- return 0;
-}
-
static int pl031_irq_set_freq(struct device *dev, int freq)
{
struct pl031_local *ldata = dev_get_drvdata(dev);
@@ -440,7 +408,6 @@ static struct rtc_class_ops stv1_pl031_ops = {
.read_alarm = pl031_read_alarm,
.set_alarm = pl031_set_alarm,
.alarm_irq_enable = pl031_alarm_irq_enable,
- .irq_set_state = pl031_irq_set_state,
.irq_set_freq = pl031_irq_set_freq,
};
@@ -451,7 +418,6 @@ static struct rtc_class_ops stv2_pl031_ops = {
.read_alarm = pl031_stv2_read_alarm,
.set_alarm = pl031_stv2_set_alarm,
.alarm_irq_enable = pl031_alarm_irq_enable,
- .irq_set_state = pl031_irq_set_state,
.irq_set_freq = pl031_irq_set_freq,
};