xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RTC: Cleanup rtc_class_ops->irq_set_state

Browse Source 
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>
This commit is contained in:
John Stultz
2011-02-03 11:34:50 -08:00
parent f44f7f96a2
commit 80d4bb515b
11 changed files with 0 additions and 209 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/rtc/rtc-pl031.c
View File

@@ -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,
};