diff options
| author | John Stultz <john.stultz@linaro.org> | 2011-02-03 22:34:50 +0300 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-03-09 22:23:34 +0300 |
| commit | 80d4bb515b78f38738f3378fd1be6039063ab040 (patch) | |
| tree | 92e3f938097fa9f8de5c80886b1d0d724cb37b47 /drivers/rtc/rtc-pl031.c | |
| parent | f44f7f96a20af16f6f12e1c995576d6becf5f57b (diff) | |
| download | linux-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.c | 34 |
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, }; |