[PATCH 08/12] hw/cxl: Pass NULL for a NULL MemoryRegionOps

Jonathan Cameron via posted 12 patches 10 months, 1 week ago
Maintainers: Jonathan Cameron <jonathan.cameron@huawei.com>, Fan Ni <fan.ni@samsung.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>
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[PATCH 08/12] hw/cxl: Pass NULL for a NULL MemoryRegionOps
Posted by Jonathan Cameron via 10 months, 1 week ago
From: Li Zhijian <lizhijian@fujitsu.com>

a NULL parameter is enough for a NULL MemoryRegionOps

Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 hw/cxl/cxl-component-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c
index 9dfde6c0b3..5ddd47ed8d 100644
--- a/hw/cxl/cxl-component-utils.c
+++ b/hw/cxl/cxl-component-utils.c
@@ -197,7 +197,7 @@ void cxl_component_register_block_init(Object *obj,
                        CXL2_COMPONENT_BLOCK_SIZE);
 
     /* io registers controls link which we don't care about in QEMU */
-    memory_region_init_io(&cregs->io, obj, NULL, cregs, ".io",
+    memory_region_init_io(&cregs->io, obj, NULL, NULL, ".io",
                           CXL2_COMPONENT_IO_REGION_SIZE);
     memory_region_init_io(&cregs->cache_mem, obj, &cache_mem_ops, cxl_cstate,
                           ".cache_mem", CXL2_COMPONENT_CM_REGION_SIZE);
-- 
2.39.2
Re: [PATCH 08/12] hw/cxl: Pass NULL for a NULL MemoryRegionOps
Posted by fan 10 months ago
On Wed, Jan 24, 2024 at 12:40:56PM +0000, Jonathan Cameron wrote:
> From: Li Zhijian <lizhijian@fujitsu.com>
> 
> a NULL parameter is enough for a NULL MemoryRegionOps
> 
> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---

Reviewed-by: Fan Ni <fan.ni@samsung.com>

>  hw/cxl/cxl-component-utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c
> index 9dfde6c0b3..5ddd47ed8d 100644
> --- a/hw/cxl/cxl-component-utils.c
> +++ b/hw/cxl/cxl-component-utils.c
> @@ -197,7 +197,7 @@ void cxl_component_register_block_init(Object *obj,
>                         CXL2_COMPONENT_BLOCK_SIZE);
>  
>      /* io registers controls link which we don't care about in QEMU */
> -    memory_region_init_io(&cregs->io, obj, NULL, cregs, ".io",
> +    memory_region_init_io(&cregs->io, obj, NULL, NULL, ".io",
>                            CXL2_COMPONENT_IO_REGION_SIZE);
>      memory_region_init_io(&cregs->cache_mem, obj, &cache_mem_ops, cxl_cstate,
>                            ".cache_mem", CXL2_COMPONENT_CM_REGION_SIZE);
> -- 
> 2.39.2
>