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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.c78
1 files changed, 12 insertions, 66 deletions
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index 16edf94ab42..e6b6911c8e0 100644
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -58,7 +58,6 @@ struct pcf50633_time {
struct pcf50633_rtc {
int alarm_enabled;
- int second_enabled;
int alarm_pending;
struct pcf50633 *pcf;
@@ -106,25 +105,6 @@ pcf50633_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
-static int
-pcf50633_rtc_update_irq_enable(struct device *dev, unsigned int enabled)
-{
- struct pcf50633_rtc *rtc = dev_get_drvdata(dev);
- int err;
-
- if (enabled)
- err = pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_SECOND);
- else
- err = pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_SECOND);
-
- if (err < 0)
- return err;
-
- rtc->second_enabled = enabled;
-
- return 0;
-}
-
static int pcf50633_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
struct pcf50633_rtc *rtc;
@@ -162,7 +142,7 @@ static int pcf50633_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct pcf50633_rtc *rtc;
struct pcf50633_time pcf_tm;
- int second_masked, alarm_masked, ret = 0;
+ int alarm_masked, ret = 0;
rtc = dev_get_drvdata(dev);
@@ -181,11 +161,8 @@ static int pcf50633_rtc_set_time(struct device *dev, struct rtc_time *tm)
pcf_tm.time[PCF50633_TI_SEC]);
- second_masked = pcf50633_irq_mask_get(rtc->pcf, PCF50633_IRQ_SECOND);
alarm_masked = pcf50633_irq_mask_get(rtc->pcf, PCF50633_IRQ_ALARM);
- if (!second_masked)
- pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_SECOND);
if (!alarm_masked)
pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_ALARM);
@@ -194,8 +171,6 @@ static int pcf50633_rtc_set_time(struct device *dev, struct rtc_time *tm)
PCF50633_TI_EXTENT,
&pcf_tm.time[0]);
- if (!second_masked)
- pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_SECOND);
if (!alarm_masked)
pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
@@ -262,63 +237,44 @@ static struct rtc_class_ops pcf50633_rtc_ops = {
.set_time = pcf50633_rtc_set_time,
.read_alarm = pcf50633_rtc_read_alarm,
.set_alarm = pcf50633_rtc_set_alarm,
- .alarm_irq_enable = pcf50633_rtc_alarm_irq_enable,
- .update_irq_enable = pcf50633_rtc_update_irq_enable,
+ .alarm_irq_enable = pcf50633_rtc_alarm_irq_enable,
};
static void pcf50633_rtc_irq(int irq, void *data)
{
struct pcf50633_rtc *rtc = 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);
- break;
- }
+ rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
+ rtc->alarm_pending = 1;
}
-static int __devinit pcf50633_rtc_probe(struct platform_device *pdev)
+static int pcf50633_rtc_probe(struct platform_device *pdev)
{
struct pcf50633_rtc *rtc;
- rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
+ rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
if (!rtc)
return -ENOMEM;
rtc->pcf = dev_to_pcf50633(pdev->dev.parent);
platform_set_drvdata(pdev, rtc);
- rtc->rtc_dev = rtc_device_register("pcf50633-rtc", &pdev->dev,
+ rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, "pcf50633-rtc",
&pcf50633_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc_dev)) {
- int ret = PTR_ERR(rtc->rtc_dev);
- kfree(rtc);
- return ret;
- }
+ if (IS_ERR(rtc->rtc_dev))
+ return PTR_ERR(rtc->rtc_dev);
pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_ALARM,
pcf50633_rtc_irq, rtc);
- pcf50633_register_irq(rtc->pcf, PCF50633_IRQ_SECOND,
- pcf50633_rtc_irq, rtc);
-
return 0;
}
-static int __devexit pcf50633_rtc_remove(struct platform_device *pdev)
+static int pcf50633_rtc_remove(struct platform_device *pdev)
{
struct pcf50633_rtc *rtc;
rtc = platform_get_drvdata(pdev);
-
pcf50633_free_irq(rtc->pcf, PCF50633_IRQ_ALARM);
- pcf50633_free_irq(rtc->pcf, PCF50633_IRQ_SECOND);
-
- rtc_device_unregister(rtc->rtc_dev);
- kfree(rtc);
return 0;
}
@@ -328,20 +284,10 @@ static struct platform_driver pcf50633_rtc_driver = {
.name = "pcf50633-rtc",
},
.probe = pcf50633_rtc_probe,
- .remove = __devexit_p(pcf50633_rtc_remove),
+ .remove = pcf50633_rtc_remove,
};
-static int __init pcf50633_rtc_init(void)
-{
- return platform_driver_register(&pcf50633_rtc_driver);
-}
-module_init(pcf50633_rtc_init);
-
-static void __exit pcf50633_rtc_exit(void)
-{
- platform_driver_unregister(&pcf50633_rtc_driver);
-}
-module_exit(pcf50633_rtc_exit);
+module_platform_driver(pcf50633_rtc_driver);
MODULE_DESCRIPTION("PCF50633 RTC driver");
MODULE_AUTHOR("Balaji Rao <balajirrao@openmoko.org>");