| /* | |
| * RTC driver for ppc_md RTC functions | |
| * | |
| * © 2007 Red Hat, Inc. | |
| * | |
| * Author: David Woodhouse <dwmw2@infradead.org> | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #include <linux/module.h> | |
| #include <linux/err.h> | |
| #include <linux/rtc.h> | |
| #include <linux/platform_device.h> | |
| #include <asm/machdep.h> | |
| static int ppc_rtc_read_time(struct device *dev, struct rtc_time *tm) | |
| { | |
| ppc_md.get_rtc_time(tm); | |
| return 0; | |
| } | |
| static int ppc_rtc_set_time(struct device *dev, struct rtc_time *tm) | |
| { | |
| return ppc_md.set_rtc_time(tm); | |
| } | |
| static const struct rtc_class_ops ppc_rtc_ops = { | |
| .set_time = ppc_rtc_set_time, | |
| .read_time = ppc_rtc_read_time, | |
| }; | |
| static struct rtc_device *rtc; | |
| static struct platform_device *ppc_rtc_pdev; | |
| static int __init ppc_rtc_init(void) | |
| { | |
| if (!ppc_md.get_rtc_time || !ppc_md.set_rtc_time) | |
| return -ENODEV; | |
| ppc_rtc_pdev = platform_device_register_simple("ppc-rtc", 0, NULL, 0); | |
| if (IS_ERR(ppc_rtc_pdev)) | |
| return PTR_ERR(ppc_rtc_pdev); | |
| rtc = rtc_device_register("ppc_md", &ppc_rtc_pdev->dev, | |
| &ppc_rtc_ops, THIS_MODULE); | |
| if (IS_ERR(rtc)) { | |
| platform_device_unregister(ppc_rtc_pdev); | |
| return PTR_ERR(rtc); | |
| } | |
| return 0; | |
| } | |
| static void __exit ppc_rtc_exit(void) | |
| { | |
| rtc_device_unregister(rtc); | |
| platform_device_unregister(ppc_rtc_pdev); | |
| } | |
| module_init(ppc_rtc_init); | |
| module_exit(ppc_rtc_exit); | |
| MODULE_LICENSE("GPL"); | |
| MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); | |
| MODULE_DESCRIPTION("Generic RTC class driver for PowerPC"); |