commit 087a23a87c57725f8653aea9be70a2d55cf0309e
author Bibo Mao <maobibo@loongson.cn> Mon Feb 10 10:45:13 2025 +0800
committer Bibo Mao <maobibo@loongson.cn> Wed Mar 05 09:39:17 2025 +0800
tree c460486760f1c374adb6125bc2de35fa3d341e2d
parent 8e63a7a7c2227ed014d55717c3a4de90bff426a8

hw/intc/loongarch_extioi: Use cpu plug notification

Use hotplug_handler_plug() to nofity extioi object when cold-plug
cpu is created, so that extioi can set and configure irq routing
to new cpu.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>

hw/loongarch/virt.c

diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 0629347..907f965 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -312,7 +312,7 @@
 
 static void virt_cpu_irq_init(LoongArchVirtMachineState *lvms)
 {
-    int num, pin;
+    int num;
     MachineState *ms = MACHINE(lvms);
     MachineClass *mc = MACHINE_GET_CLASS(ms);
     const CPUArchIdList *possible_cpus;
@@ -328,15 +328,7 @@
         }
 
         hotplug_handler_plug(HOTPLUG_HANDLER(lvms->ipi), DEVICE(cs), &err);
-
-        /*
-         * connect ext irq to the cpu irq
-         * cpu_pin[9:2] <= intc_pin[7:0]
-         */
-        for (pin = 0; pin < LS3A_INTC_IP; pin++) {
-            qdev_connect_gpio_out(lvms->extioi, (num * LS3A_INTC_IP + pin),
-                                  qdev_get_gpio_in(DEVICE(cs), pin + 2));
-        }
+        hotplug_handler_plug(HOTPLUG_HANDLER(lvms->extioi), DEVICE(cs), &err);
     }
 }