[PULL 33/55] ps2: introduce ps2_lower_irq() instead of calling update_irq() directly

[Mark Cave-Ayland]

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

Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
Acked-by: Helge Deller <del...@gmx.de>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Message-Id: <20220624134109.881989-34-mark.cave-ayl...@ilande.co.uk>
---
 hw/input/ps2.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index a14281bc54..bc0bcf1789 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -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)
-- 
2.30.2