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Diffstat (limited to 'hw/input/pckbd.c')
-rw-r--r--hw/input/pckbd.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c
index 1d932ec19f..dc57e2c762 100644
--- a/hw/input/pckbd.c
+++ b/hw/input/pckbd.c
@@ -146,7 +146,7 @@ typedef struct KBDState {
qemu_irq irq_kbd;
qemu_irq irq_mouse;
- qemu_irq *a20_out;
+ qemu_irq a20_out;
hwaddr mask;
} KBDState;
@@ -224,9 +224,7 @@ static void outport_write(KBDState *s, uint32_t val)
{
DPRINTF("kbd: write outport=0x%02x\n", val);
s->outport = val;
- if (s->a20_out) {
- qemu_set_irq(*s->a20_out, (val >> 1) & 1);
- }
+ qemu_set_irq(s->a20_out, (val >> 1) & 1);
if (!(val & 1)) {
qemu_system_reset_request();
}
@@ -295,15 +293,11 @@ static void kbd_write_command(void *opaque, hwaddr addr,
kbd_queue(s, s->outport, 0);
break;
case KBD_CCMD_ENABLE_A20:
- if (s->a20_out) {
- qemu_irq_raise(*s->a20_out);
- }
+ qemu_irq_raise(s->a20_out);
s->outport |= KBD_OUT_A20;
break;
case KBD_CCMD_DISABLE_A20:
- if (s->a20_out) {
- qemu_irq_lower(*s->a20_out);
- }
+ qemu_irq_lower(s->a20_out);
s->outport &= ~KBD_OUT_A20;
break;
case KBD_CCMD_RESET:
@@ -507,10 +501,7 @@ void i8042_isa_mouse_fake_event(void *opaque)
void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out)
{
- ISAKBDState *isa = I8042(dev);
- KBDState *s = &isa->kbd;
-
- s->a20_out = a20_out;
+ qdev_connect_gpio_out_named(DEVICE(dev), I8042_A20_LINE, 0, *a20_out);
}
static const VMStateDescription vmstate_kbd_isa = {
@@ -552,6 +543,8 @@ static void i8042_initfn(Object *obj)
"i8042-data", 1);
memory_region_init_io(isa_s->io + 1, obj, &i8042_cmd_ops, s,
"i8042-cmd", 1);
+
+ qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, I8042_A20_LINE, 1);
}
static void i8042_realizefn(DeviceState *dev, Error **errp)