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-rw-r--r--arch/mips/kernel/genrtc.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/kernel/genrtc.c b/arch/mips/kernel/genrtc.c
new file mode 100644
index 000000000000..288bf51ad4ec
--- /dev/null
+++ b/arch/mips/kernel/genrtc.c
@@ -0,0 +1,64 @@
1/*
2 * A glue layer that provides RTC read/write to drivers/char/genrtc.c driver
3 * based on MIPS internal RTC routines. It does take care locking
4 * issues so that we are SMP/Preemption safe.
5 *
6 * Copyright (C) 2004 MontaVista Software Inc.
7 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
8 *
9 * Please read the COPYING file for all license details.
10 */
11
12#include <linux/spinlock.h>
13
14#include <asm/rtc.h>
15#include <asm/time.h>
16
17static spinlock_t mips_rtc_lock = SPIN_LOCK_UNLOCKED;
18
19unsigned int get_rtc_time(struct rtc_time *time)
20{
21 unsigned long nowtime;
22
23 spin_lock(&mips_rtc_lock);
24 nowtime = rtc_get_time();
25 to_tm(nowtime, time);
26 time->tm_year -= 1900;
27 spin_unlock(&mips_rtc_lock);
28
29 return RTC_24H;
30}
31
32int set_rtc_time(struct rtc_time *time)
33{
34 unsigned long nowtime;
35 int ret;
36
37 spin_lock(&mips_rtc_lock);
38 nowtime = mktime(time->tm_year+1900, time->tm_mon+1,
39 time->tm_mday, time->tm_hour, time->tm_min,
40 time->tm_sec);
41 ret = rtc_set_time(nowtime);
42 spin_unlock(&mips_rtc_lock);
43
44 return ret;
45}
46
47unsigned int get_rtc_ss(void)
48{
49 struct rtc_time h;
50
51 get_rtc_time(&h);
52 return h.tm_sec;
53}
54
55int get_rtc_pll(struct rtc_pll_info *pll)
56{
57 return -EINVAL;
58}
59
60int set_rtc_pll(struct rtc_pll_info *pll)
61{
62 return -EINVAL;
63}
64