diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-11-09 14:33:22 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-11-09 14:33:22 -0800 |
| commit | e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b (patch) | |
| tree | 69d5685ef0c194f651a03e30bff14628b4d45400 /arch/mips/jmr3927/common/rtc_ds1742.c | |
| parent | ec58ef03284f0bfa50a04982b74c8c2325a0758e (diff) | |
| parent | ad8f76be48d817b48222411ae16a7dfe257bdb24 (diff) | |
| download | talos-op-linux-e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b.tar.gz talos-op-linux-e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b.zip | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/mips/jmr3927/common/rtc_ds1742.c')
| -rw-r--r-- | arch/mips/jmr3927/common/rtc_ds1742.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/jmr3927/common/rtc_ds1742.c b/arch/mips/jmr3927/common/rtc_ds1742.c index 1ae4318e1358..8b407d7dc460 100644 --- a/arch/mips/jmr3927/common/rtc_ds1742.c +++ b/arch/mips/jmr3927/common/rtc_ds1742.c @@ -57,7 +57,9 @@ rtc_ds1742_get_time(void) { unsigned int year, month, day, hour, minute, second; unsigned int century; + unsigned long flags; + spin_lock_irqsave(&rtc_lock, flags); CMOS_WRITE(RTC_READ, RTC_CONTROL); second = BCD2BIN(CMOS_READ(RTC_SECONDS) & RTC_SECONDS_MASK); minute = BCD2BIN(CMOS_READ(RTC_MINUTES)); @@ -67,6 +69,7 @@ rtc_ds1742_get_time(void) year = BCD2BIN(CMOS_READ(RTC_YEAR)); century = BCD2BIN(CMOS_READ(RTC_CENTURY) & RTC_CENTURY_MASK); CMOS_WRITE(0, RTC_CONTROL); + spin_unlock_irqrestore(&rtc_lock, flags); year += century * 100; @@ -81,7 +84,9 @@ rtc_ds1742_set_time(unsigned long t) u8 year, month, day, hour, minute, second; u8 cmos_year, cmos_month, cmos_day, cmos_hour, cmos_minute, cmos_second; int cmos_century; + unsigned long flags; + spin_lock_irqsave(&rtc_lock, flags); CMOS_WRITE(RTC_READ, RTC_CONTROL); cmos_second = (u8)(CMOS_READ(RTC_SECONDS) & RTC_SECONDS_MASK); cmos_minute = (u8)CMOS_READ(RTC_MINUTES); @@ -139,6 +144,7 @@ rtc_ds1742_set_time(unsigned long t) /* RTC_CENTURY and RTC_CONTROL share same address... */ CMOS_WRITE(cmos_century, RTC_CONTROL); + spin_unlock_irqrestore(&rtc_lock, flags); return 0; } |
