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ps2: introduce ps2_lower_irq() instead of calling update_irq() directly 

This consolidates the logic of lowering the PS2 IRQ into one single function.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220624134109.881989-34-mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2022-06-24 14:40:48 +01:00
parent 892e9bbe59
commit 5cb6e55622
1 changed files with 7 additions and 2 deletions
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9
hw/input/ps2.c
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@ -177,6 +177,11 @@ static void ps2_raise_irq(PS2State *s)
s->update_irq(s->update_arg, 1);
}
static void ps2_lower_irq(PS2State *s)
{
s->update_irq(s->update_arg, 0);
}
void ps2_queue(PS2State *s, int b)
{
if (PS2_QUEUE_SIZE - s->queue.count < 1) {
@ -554,7 +559,7 @@ uint32_t ps2_read_data(PS2State *s)
q->cwptr = -1;
}
/* reading deasserts IRQ */
s->update_irq(s->update_arg, 0);
ps2_lower_irq(s);
/* reassert IRQs if data left */
if (q->count) {
ps2_raise_irq(s);
@ -1001,7 +1006,7 @@ static void ps2_reset(DeviceState *dev)
s->write_cmd = -1;
ps2_reset_queue(s);
s->update_irq(s->update_arg, 0);
ps2_lower_irq(s);
}
static void ps2_common_post_load(PS2State *s)