tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Machine dependent access functions for RTC registers.
7 */
8#ifndef __ASM_MC146818_TIME_H
9#define __ASM_MC146818_TIME_H
10
11#include <linux/mc146818rtc.h>
12#include <linux/time.h>
13
14#ifdef CONFIG_RTC_MC146818_LIB
15static inline time64_t mc146818_get_cmos_time(void)
16{
17 struct rtc_time tm;
18
19 if (mc146818_get_time(&tm, 1000)) {
20 pr_err("Unable to read current time from RTC\n");
21 return 0;
22 }
23
24 return rtc_tm_to_time64(&tm);
25}
26#endif /* CONFIG_RTC_MC146818_LIB */
27
28#endif /* __ASM_MC146818_TIME_H */