From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- drivers/rtc/rtc-generic.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 drivers/rtc/rtc-generic.c (limited to 'drivers/rtc/rtc-generic.c') diff --git a/drivers/rtc/rtc-generic.c b/drivers/rtc/rtc-generic.c new file mode 100644 index 00000000..06279ce6 --- /dev/null +++ b/drivers/rtc/rtc-generic.c @@ -0,0 +1,69 @@ +/* rtc-generic: RTC driver using the generic RTC abstraction + * + * Copyright (C) 2008 Kyle McMartin + */ + +#include +#include +#include +#include +#include + +#include + +static int generic_get_time(struct device *dev, struct rtc_time *tm) +{ + unsigned int ret = get_rtc_time(tm); + + if (ret & RTC_BATT_BAD) + return -EOPNOTSUPP; + + return rtc_valid_tm(tm); +} + +static int generic_set_time(struct device *dev, struct rtc_time *tm) +{ + if (set_rtc_time(tm) < 0) + return -EOPNOTSUPP; + + return 0; +} + +static const struct rtc_class_ops generic_rtc_ops = { + .read_time = generic_get_time, + .set_time = generic_set_time, +}; + +static int __init generic_rtc_probe(struct platform_device *dev) +{ + struct rtc_device *rtc; + + rtc = devm_rtc_device_register(&dev->dev, "rtc-generic", + &generic_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + platform_set_drvdata(dev, rtc); + + return 0; +} + +static int __exit generic_rtc_remove(struct platform_device *dev) +{ + return 0; +} + +static struct platform_driver generic_rtc_driver = { + .driver = { + .name = "rtc-generic", + .owner = THIS_MODULE, + }, + .remove = __exit_p(generic_rtc_remove), +}; + +module_platform_driver_probe(generic_rtc_driver, generic_rtc_probe); + +MODULE_AUTHOR("Kyle McMartin "); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Generic RTC driver"); +MODULE_ALIAS("platform:rtc-generic"); -- cgit v1.3.1