diff options
author | Arnd Bergmann <arnd@arndb.de> | 2011-10-30 20:59:09 +0100 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-30 20:59:09 +0100 |
commit | b8bc83971cc20cae3c3b65c26a804f350d74960c (patch) | |
tree | 2573e6367e1806c298344fa023bb49a16cc4d1e4 /arch/x86/platform/mrst/vrtc.c | |
parent | 11f0d9311c6e9ed928dc98ce6e9d14c0ee274b05 (diff) | |
parent | bca7ab316edd819edd0e3d59f9ccb26c6b2173f5 (diff) |
Merge branch 'pxa/devel' into next/devel2
Conflicts:
arch/arm/mach-s3c2416/s3c2416.c
Diffstat (limited to 'arch/x86/platform/mrst/vrtc.c')
-rw-r--r-- | arch/x86/platform/mrst/vrtc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c index 73d70d65e76..6d5dbcdd444 100644 --- a/arch/x86/platform/mrst/vrtc.c +++ b/arch/x86/platform/mrst/vrtc.c @@ -58,8 +58,11 @@ EXPORT_SYMBOL_GPL(vrtc_cmos_write); unsigned long vrtc_get_time(void) { u8 sec, min, hour, mday, mon; + unsigned long flags; u32 year; + spin_lock_irqsave(&rtc_lock, flags); + while ((vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP)) cpu_relax(); @@ -70,6 +73,8 @@ unsigned long vrtc_get_time(void) mon = vrtc_cmos_read(RTC_MONTH); year = vrtc_cmos_read(RTC_YEAR); + spin_unlock_irqrestore(&rtc_lock, flags); + /* vRTC YEAR reg contains the offset to 1960 */ year += 1960; @@ -83,8 +88,10 @@ unsigned long vrtc_get_time(void) int vrtc_set_mmss(unsigned long nowtime) { int real_sec, real_min; + unsigned long flags; int vrtc_min; + spin_lock_irqsave(&rtc_lock, flags); vrtc_min = vrtc_cmos_read(RTC_MINUTES); real_sec = nowtime % 60; @@ -95,6 +102,8 @@ int vrtc_set_mmss(unsigned long nowtime) vrtc_cmos_write(real_sec, RTC_SECONDS); vrtc_cmos_write(real_min, RTC_MINUTES); + spin_unlock_irqrestore(&rtc_lock, flags); + return 0; } |