diff options
| author | Yang Zhang <yang.z.zhang@intel.com> | 2012-08-02 18:04:04 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2012-09-10 13:52:28 -0500 |
| commit | bedc572eae6e250070495116f0db72607826aee5 (patch) | |
| tree | 02e7cf8b175da1eaeb6d1bad081a5a6750dd5907 /hw/mc146818rtc.c | |
| parent | 6a38e0dc369e6bdc3b3ac4a965a34990c4980b66 (diff) | |
RTC: Remove the logic to update time format when DM bit changed
Changing the DM (binary/BCD) and 24/12 control bit doesn't affect the internal
registers. It only indicates what format is used for those registers.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/mc146818rtc.c')
| -rw-r--r-- | hw/mc146818rtc.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 3777f858a1..6e5b2f0893 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -220,15 +220,7 @@ static void cmos_ioport_write(void *opaque, uint32_t addr, uint32_t data) rtc_set_time(s); } } - if (((s->cmos_data[RTC_REG_B] ^ data) & (REG_B_DM | REG_B_24H)) && - !(data & REG_B_SET)) { - /* If the time format has changed and not in set mode, - update the registers immediately. */ - s->cmos_data[RTC_REG_B] = data; - rtc_copy_date(s); - } else { - s->cmos_data[RTC_REG_B] = data; - } + s->cmos_data[RTC_REG_B] = data; rtc_timer_update(s, qemu_get_clock_ns(rtc_clock)); break; case RTC_REG_C: |