diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:27:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:44:01 -0700 |
| commit | eb71c87a492b7090ff9e8ac46912c480a1687e38 (patch) | |
| tree | 1136213dee0f942866b6c2c65de7e7c63ca94fda /include/asm-generic/rtc.h | |
| parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) | |
| download | linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.tar.gz linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.tar.bz2 linux-eb71c87a492b7090ff9e8ac46912c480a1687e38.zip | |
Add some basic resume trace facilities
Considering that there isn't a lot of hw we can depend on during resume,
this is about as good as it gets.
This is x86-only for now, although the basic concept (and most of the
code) will certainly work on almost any platform.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-generic/rtc.h')
| -rw-r--r-- | include/asm-generic/rtc.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index cef08db34ada..4087037a4225 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -114,6 +114,7 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) /* Set the current date and time in the real time clock. */ static inline int set_rtc_time(struct rtc_time *time) { + unsigned long flags; unsigned char mon, day, hrs, min, sec; unsigned char save_control, save_freq_select; unsigned int yrs; @@ -131,7 +132,7 @@ static inline int set_rtc_time(struct rtc_time *time) if (yrs > 255) /* They are unsigned */ return -EINVAL; - spin_lock_irq(&rtc_lock); + spin_lock_irqsave(&rtc_lock, flags); #ifdef CONFIG_MACH_DECSTATION real_yrs = yrs; leap_yr = ((!((yrs + 1900) % 4) && ((yrs + 1900) % 100)) || @@ -152,7 +153,7 @@ static inline int set_rtc_time(struct rtc_time *time) * whether the chip is in binary mode or not. */ if (yrs > 169) { - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); return -EINVAL; } @@ -187,7 +188,7 @@ static inline int set_rtc_time(struct rtc_time *time) CMOS_WRITE(save_control, RTC_CONTROL); CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); return 0; } |