[PATCH v4 08/18] hw/intc/loongson_ipi: Move IPICore::mmio_mem to LoongsonIPIState

[Philippe Mathieu-Daudé]

From: Bibo Mao <maobibo@loongson.cn>

It is easier to manage one array of MMIO MR rather
than one per vCPU.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
[PMD: Extracted from bigger commit, added commit description]
Co-Developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Tested-by: Bibo Mao <maobibo@loongson.cn>
---
 include/hw/intc/loongson_ipi.h | 2 +-
 hw/intc/loongson_ipi.c         | 9 ++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/include/hw/intc/loongson_ipi.h b/include/hw/intc/loongson_ipi.h
index d53bd5dcfe..00a65a82fb 100644
--- a/include/hw/intc/loongson_ipi.h
+++ b/include/hw/intc/loongson_ipi.h
@@ -19,7 +19,6 @@ OBJECT_DECLARE_TYPE(LoongsonIPIState, LoongsonIPIClass, 
LOONGSON_IPI)
 
 typedef struct IPICore {
     LoongsonIPIState *ipi;
-    MemoryRegion *ipi_mmio_mem;
     uint32_t status;
     uint32_t en;
     uint32_t set;
@@ -38,6 +37,7 @@ struct LoongsonIPIClass {
 struct LoongsonIPIState {
     LoongsonIPICommonState parent_obj;
 
+    MemoryRegion *ipi_mmio_mem;
     MemoryRegion ipi_iocsr_mem;
     MemoryRegion ipi64_iocsr_mem;
     uint32_t num_cpu;
diff --git a/hw/intc/loongson_ipi.c b/hw/intc/loongson_ipi.c
index 20f3f6bd3f..2319aea18f 100644
--- a/hw/intc/loongson_ipi.c
+++ b/hw/intc/loongson_ipi.c
@@ -320,12 +320,12 @@ static void loongson_ipi_realize(DeviceState *dev, Error 
**errp)
         return;
     }
 
+    s->ipi_mmio_mem = g_new0(MemoryRegion, s->num_cpu);
     for (unsigned i = 0; i < s->num_cpu; i++) {
-        s->cpu[i].ipi_mmio_mem = g_new0(MemoryRegion, 1);
         g_autofree char *name = g_strdup_printf("loongson_ipi_cpu%d_mmio", i);
-        memory_region_init_io(s->cpu[i].ipi_mmio_mem, OBJECT(dev),
+        memory_region_init_io(&s->ipi_mmio_mem[i], OBJECT(dev),
                               &loongson_ipi_core_ops, &s->cpu[i], name, 0x48);
-        sysbus_init_mmio(sbd, s->cpu[i].ipi_mmio_mem);
+        sysbus_init_mmio(sbd, &s->ipi_mmio_mem[i]);
     }
 }
 
@@ -379,6 +379,9 @@ static void loongson_ipi_common_finalize(Object *obj)
 
 static void loongson_ipi_finalize(Object *obj)
 {
+    LoongsonIPIState *s = LOONGSON_IPI(obj);
+
+    g_free(s->ipi_mmio_mem);
     loongson_ipi_common_finalize(obj);
 }
 
-- 
2.41.0