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-starfire.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 drivers/rtc/rtc-starfire.c (limited to 'drivers/rtc/rtc-starfire.c') diff --git a/drivers/rtc/rtc-starfire.c b/drivers/rtc/rtc-starfire.c new file mode 100644 index 00000000..987b5ec0 --- /dev/null +++ b/drivers/rtc/rtc-starfire.c @@ -0,0 +1,67 @@ +/* rtc-starfire.c: Starfire platform RTC driver. + * + * Copyright (C) 2008 David S. Miller + */ + +#include +#include +#include +#include +#include + +#include + +MODULE_AUTHOR("David S. Miller "); +MODULE_DESCRIPTION("Starfire RTC driver"); +MODULE_LICENSE("GPL"); + +static u32 starfire_get_time(void) +{ + static char obp_gettod[32]; + static u32 unix_tod; + + sprintf(obp_gettod, "h# %08x unix-gettod", + (unsigned int) (long) &unix_tod); + prom_feval(obp_gettod); + + return unix_tod; +} + +static int starfire_read_time(struct device *dev, struct rtc_time *tm) +{ + rtc_time_to_tm(starfire_get_time(), tm); + return rtc_valid_tm(tm); +} + +static const struct rtc_class_ops starfire_rtc_ops = { + .read_time = starfire_read_time, +}; + +static int __init starfire_rtc_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + + rtc = devm_rtc_device_register(&pdev->dev, "starfire", + &starfire_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + platform_set_drvdata(pdev, rtc); + + return 0; +} + +static int __exit starfire_rtc_remove(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver starfire_rtc_driver = { + .driver = { + .name = "rtc-starfire", + .owner = THIS_MODULE, + }, + .remove = __exit_p(starfire_rtc_remove), +}; + +module_platform_driver_probe(starfire_rtc_driver, starfire_rtc_probe); -- cgit v1.3.1