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path: root/drivers/rtc/rtc-pcf50633.c
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Diffstat (limited to 'drivers/rtc/rtc-pcf50633.c')
-rw-r--r--drivers/rtc/rtc-pcf50633.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index f4dd87e2907..2d573e95f4f 100644
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -58,6 +58,7 @@ struct pcf50633_time {
struct pcf50633_rtc {
int alarm_enabled;
int second_enabled;
+ int alarm_pending;
struct pcf50633 *pcf;
struct rtc_device *rtc_dev;
@@ -70,7 +71,7 @@ static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50633_time *pcf)
rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]);
rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]);
rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]);
- rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]);
+ rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1;
rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100;
}
@@ -81,7 +82,7 @@ static void rtc2pcf_time(struct pcf50633_time *pcf, struct rtc_time *rtc)
pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour);
pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday);
pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday);
- pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon);
+ pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon + 1);
pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
}
@@ -209,6 +210,7 @@ static int pcf50633_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
rtc = dev_get_drvdata(dev);
alrm->enabled = rtc->alarm_enabled;
+ alrm->pending = rtc->alarm_pending;
ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSCA,
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
@@ -244,9 +246,12 @@ static int pcf50633_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
/* Returns 0 on success */
ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSCA,
PCF50633_TI_EXTENT, &pcf_tm.time[0]);
+ if (!alrm->enabled)
+ rtc->alarm_pending = 0;
- if (!alarm_masked)
+ if (!alarm_masked || alrm->enabled)
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
+ rtc->alarm_enabled = alrm->enabled;
return ret;
}
@@ -267,6 +272,7 @@ static void pcf50633_rtc_irq(int irq, void *data)
switch (irq) {
case PCF50633_IRQ_ALARM:
rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
+ rtc->alarm_pending = 1;
break;
case PCF50633_IRQ_SECOND:
rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);
@@ -276,16 +282,13 @@ static void pcf50633_rtc_irq(int irq, void *data)
static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
{
- struct pcf50633_subdev_pdata *pdata;
struct pcf50633_rtc *rtc;
-
rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
if (!rtc)
return -ENOMEM;
- pdata = pdev->dev.platform_data;
- rtc->pcf = pdata->pcf;
+ rtc->pcf = dev_to_pcf50633(pdev->dev.parent);
platform_set_drvdata(pdev, rtc);
rtc->rtc_dev = rtc_device_register("pcf50633-rtc", &pdev->dev,
&pcf50633_rtc_ops, THIS_MODULE);