[PATCH v2 2/3] hw/pci-host/raven: Manually reset the OR_IRQ device

[Philippe Mathieu-Daudé]

The OR_IRQ device is bus-less, thus isn't reset automatically.
Add the raven_pcihost_reset() handler to manually reset the OR IRQ.

Fixes: f40b83a4e31 ("40p: use OR gate to wire up raven PCI interrupts")
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 hw/pci-host/prep.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/pci-host/prep.c b/hw/pci-host/prep.c
index 0a9162fba97..7481bbf99d4 100644
--- a/hw/pci-host/prep.c
+++ b/hw/pci-host/prep.c
@@ -230,6 +230,15 @@ static void raven_change_gpio(void *opaque, int n, int 
level)
     s->contiguous_map = level;
 }
 
+static void raven_pcihost_reset_enter(Object *obj, ResetType type)
+{
+    PREPPCIState *s = RAVEN_PCI_HOST_BRIDGE(obj);
+
+    if (!s->is_legacy_prep) {
+        device_cold_reset(DEVICE(&s->or_irq));
+    }
+}
+
 static void raven_pcihost_realizefn(DeviceState *d, Error **errp)
 {
     SysBusDevice *dev = SYS_BUS_DEVICE(d);
@@ -419,11 +428,13 @@ static Property raven_pcihost_properties[] = {
 static void raven_pcihost_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
     dc->realize = raven_pcihost_realizefn;
     device_class_set_props(dc, raven_pcihost_properties);
     dc->fw_name = "pci";
+    rc->phases.enter = raven_pcihost_reset_enter;
 }
 
 static const TypeInfo raven_pcihost_info = {
-- 
2.26.3