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authorJohn Stultz <john.stultz@linaro.org>2011-02-03 23:02:07 +0300
committerJohn Stultz <john.stultz@linaro.org>2011-03-09 22:23:35 +0300
commit696160fec162601d06940862b5b3aa4460344c1b (patch)
tree63c5d1d87f140b6a989256727b62071dd19d894b /drivers/rtc/rtc-pl031.c
parent80d4bb515b78f38738f3378fd1be6039063ab040 (diff)
downloadlinux-696160fec162601d06940862b5b3aa4460344c1b.tar.xz
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>
Diffstat (limited to 'drivers/rtc/rtc-pl031.c')
-rw-r--r--drivers/rtc/rtc-pl031.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 0e7c15b24c1c..d829ea63c4fb 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -293,25 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return ret;
}
-static int pl031_irq_set_freq(struct device *dev, int freq)
-{
- struct pl031_local *ldata = dev_get_drvdata(dev);
-
- /* Cant set timer if it is already enabled */
- if (readl(ldata->base + RTC_TCR) & RTC_TCR_EN) {
- dev_err(dev, "can't change frequency while timer enabled\n");
- return -EINVAL;
- }
-
- /* If self start bit in RTC_TCR is set timer will start here,
- * but we never set that bit. Instead we start the timer when
- * set_state is called with enabled == 1.
- */
- writel(RTC_TIMER_FREQ / freq, ldata->base + RTC_TLR);
-
- return 0;
-}
-
static int pl031_remove(struct amba_device *adev)
{
struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
@@ -408,7 +389,6 @@ 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_freq = pl031_irq_set_freq,
};
/* And the second ST derivative */
@@ -418,7 +398,6 @@ 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_freq = pl031_irq_set_freq,
};
static struct amba_id pl031_ids[] = {