leon3: use qemu_irq framework instead of callback as property

"set_pin_in" property is used to define a callback mechanism where the
device says "call the callback function, passing it an opaque cookie
and a 32-bit value". We already have a generic mechanism for doing
that, which is the qemu_irq. So we should just use that.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com>
diff --git a/hw/intc/grlib_irqmp.c b/hw/intc/grlib_irqmp.c
index bc78e1a..794c643 100644
--- a/hw/intc/grlib_irqmp.c
+++ b/hw/intc/grlib_irqmp.c
@@ -25,6 +25,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "hw/irq.h"
 #include "hw/sysbus.h"
 #include "cpu.h"
 
@@ -58,10 +59,8 @@
 
     MemoryRegion iomem;
 
-    void *set_pil_in;
-    void *set_pil_in_opaque;
-
     IRQMPState *state;
+    qemu_irq irq;
 } IRQMP;
 
 struct IRQMPState {
@@ -82,7 +81,6 @@
     uint32_t      pend   = 0;
     uint32_t      level0 = 0;
     uint32_t      level1 = 0;
-    set_pil_in_fn set_pil_in;
 
     assert(state != NULL);
     assert(state->parent != NULL);
@@ -97,14 +95,8 @@
     trace_grlib_irqmp_check_irqs(state->pending, state->force[0],
                                  state->mask[0], level1, level0);
 
-    set_pil_in = (set_pil_in_fn)state->parent->set_pil_in;
-
     /* Trigger level1 interrupt first and level0 if there is no level1 */
-    if (level1 != 0) {
-        set_pil_in(state->parent->set_pil_in_opaque, level1);
-    } else {
-        set_pil_in(state->parent->set_pil_in_opaque, level0);
-    }
+    qemu_set_irq(state->parent->irq, level1 ?: level0);
 }
 
 static void grlib_irqmp_ack_mask(IRQMPState *state, uint32_t mask)
@@ -335,6 +327,7 @@
     IRQMP *irqmp = GRLIB_IRQMP(obj);
     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 
+    qdev_init_gpio_out_named(DEVICE(obj), &irqmp->irq, "grlib-irq", 1);
     memory_region_init_io(&irqmp->iomem, obj, &grlib_irqmp_ops, irqmp,
                           "irqmp", IRQMP_REG_SIZE);
 
@@ -343,31 +336,11 @@
     sysbus_init_mmio(dev, &irqmp->iomem);
 }
 
-static void grlib_irqmp_realize(DeviceState *dev, Error **errp)
-{
-    IRQMP *irqmp = GRLIB_IRQMP(dev);
-
-        /* Check parameters */
-    if (irqmp->set_pil_in == NULL) {
-        error_setg(errp, "set_pil_in cannot be NULL.");
-    }
-}
-
-static Property grlib_irqmp_properties[] = {
-    DEFINE_PROP_PTR("set_pil_in", IRQMP, set_pil_in),
-    DEFINE_PROP_PTR("set_pil_in_opaque", IRQMP, set_pil_in_opaque),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
 static void grlib_irqmp_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
     dc->reset = grlib_irqmp_reset;
-    dc->props = grlib_irqmp_properties;
-    /* Reason: pointer properties "set_pil_in", "set_pil_in_opaque" */
-    dc->user_creatable = false;
-    dc->realize = grlib_irqmp_realize;
 }
 
 static const TypeInfo grlib_irqmp_info = {