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authorGerd Hoffmann <kraxel@redhat.com>2020-04-29 15:59:54 +0200
committerMichael S. Tsirkin <mst@redhat.com>2020-05-04 10:25:02 -0400
commitba480fa6264b161697009448c3cbc0730485379e (patch)
treeeee451812681fa8d1eb06c44bc11a8f882f25df2 /hw/rtc
parenta53e581ee818d44bea9dcd2c543c2d08a5934fae (diff)
rtc: add RTC_ISA_BASE
Add and use RTC_ISA_BASE define instead of hardcoding 0x70. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-Id: <20200429140003.7336-7-kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Diffstat (limited to 'hw/rtc')
-rw-r--r--hw/rtc/mc146818rtc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index dc4269cc55..d18c09911b 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -908,7 +908,6 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
RTCState *s = MC146818_RTC(dev);
- int base = 0x70;
s->cmos_data[RTC_REG_A] = 0x26;
s->cmos_data[RTC_REG_B] = 0x02;
@@ -951,7 +950,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
qemu_register_suspend_notifier(&s->suspend_notifier);
memory_region_init_io(&s->io, OBJECT(s), &cmos_ops, s, "rtc", 2);
- isa_register_ioport(isadev, &s->io, base);
+ isa_register_ioport(isadev, &s->io, RTC_ISA_BASE);
/* register rtc 0x70 port for coalesced_pio */
memory_region_set_flush_coalesced(&s->io);
@@ -960,7 +959,7 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
memory_region_add_subregion(&s->io, 0, &s->coalesced_io);
memory_region_add_coalescing(&s->coalesced_io, 0, 1);
- qdev_set_legacy_instance_id(dev, base, 3);
+ qdev_set_legacy_instance_id(dev, RTC_ISA_BASE, 3);
qemu_register_reset(rtc_reset, s);
object_property_add_tm(OBJECT(s), "date", rtc_get_date, NULL);