static void s3c_rtc_release(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
/* do not clear AIE here, it may be needed for wake */
s3c_rtc_setpie(dev, 0);
free_irq(s3c_rtc_alarmno, rtc_dev);
free_irq(s3c_rtc_tickno, rtc_dev);
}
static int __devexit s3c_rtc_remove(struct platform_device *dev)
{
struct rtc_device *rtc = platform_get_drvdata(dev);
platform_set_drvdata(dev, NULL);
rtc_device_unregister(rtc);
s3c_rtc_setpie(&dev->dev, 0);
s3c_rtc_setaie(0);
iounmap(s3c_rtc_base);
release_resource(s3c_rtc_mem);
kfree(s3c_rtc_mem);
return 0;
}
static int s3c_rtc_ioctl(struct device *dev,
unsigned int cmd, unsigned long arg)
{
unsigned int ret = -ENOIOCTLCMD;
switch (cmd) {
case RTC_AIE_OFF:
case RTC_AIE_ON:
s3c_rtc_setaie((cmd == RTC_AIE_ON) ? 1 : 0);
ret = 0;
break;
case RTC_PIE_OFF:
case RTC_PIE_ON:
tick_count = 0;
s3c_rtc_setpie((cmd == RTC_PIE_ON) ? 1 : 0);
ret = 0;
break;
case RTC_IRQP_READ:
ret = put_user(s3c_rtc_freq, (unsigned long __user *)arg);
break;
case RTC_IRQP_SET:
/* check for power of 2 */
if ((arg & (arg-1)) != 0 || arg < 1) {
ret = -EINVAL;
goto exit;
}
pr_debug("s3c2410_rtc: setting frequency %ld\n", arg);
s3c_rtc_setfreq(arg);
ret = 0;
break;
case RTC_UIE_ON:
case RTC_UIE_OFF:
ret = -EINVAL;
}
exit:
return ret;
}
static int __devexit s3c_rtc_remove(struct platform_device *dev)
{
struct rtc_device *rtc = platform_get_drvdata(dev);
platform_set_drvdata(dev, NULL);
rtc_device_unregister(rtc);
s3c_rtc_setpie(&dev->dev, 0);
s3c_rtc_setaie(0);
iounmap(s3c_rtc_base);
release_resource(s3c_rtc_mem);
kfree(s3c_rtc_mem);
#ifdef CONFIG_RTC_S3C_SYNC_SYSTEM_TIME
cancel_delayed_work(&rtc_sync_work);
#endif /* CONFIG_RTC_S3C_SYNC_SYSTEM_TIME */
return 0;
}