diff options
Diffstat (limited to 'arch/mips/momentum/jaguar_atx/setup.c')
| -rw-r--r-- | arch/mips/momentum/jaguar_atx/setup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/momentum/jaguar_atx/setup.c b/arch/mips/momentum/jaguar_atx/setup.c index 768bf4406452..bab192ddc185 100644 --- a/arch/mips/momentum/jaguar_atx/setup.c +++ b/arch/mips/momentum/jaguar_atx/setup.c @@ -149,7 +149,9 @@ arch_initcall(per_cpu_mappings); unsigned long m48t37y_get_time(void) { unsigned int year, month, day, hour, min, sec; + unsigned long flags; + spin_lock_irqsave(&rtc_lock, flags); /* stop the update */ rtc_base[0x7ff8] = 0x40; @@ -166,6 +168,7 @@ unsigned long m48t37y_get_time(void) /* start the update */ rtc_base[0x7ff8] = 0x00; + spin_unlock_irqrestore(&rtc_lock, flags); return mktime(year, month, day, hour, min, sec); } @@ -173,11 +176,13 @@ unsigned long m48t37y_get_time(void) int m48t37y_set_time(unsigned long sec) { struct rtc_time tm; + unsigned long flags; /* convert to a more useful format -- note months count from 0 */ to_tm(sec, &tm); tm.tm_mon += 1; + spin_lock_irqsave(&rtc_lock, flags); /* enable writing */ rtc_base[0x7ff8] = 0x80; @@ -201,6 +206,7 @@ int m48t37y_set_time(unsigned long sec) /* disable writing */ rtc_base[0x7ff8] = 0x00; + spin_unlock_irqrestore(&rtc_lock, flags); return 0; } |