add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/base/test/test_async_driver_probe.c
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@@ -84,7 +84,7 @@
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 	pdev = platform_device_alloc(name, id);
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 	if (!pdev)
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-		return NULL;
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+		return ERR_PTR(-ENOMEM);
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 	if (nid != NUMA_NO_NODE)
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 		set_dev_node(&pdev->dev, nid);
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@@ -146,7 +146,7 @@
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 	calltime = ktime_get();
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 	for_each_online_cpu(cpu) {
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 		nid = cpu_to_node(cpu);
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-		pdev = &sync_dev[sync_id];
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+		pdev = &async_dev[async_id];
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 		*pdev = test_platform_device_register_node("test_async_driver",
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 							   async_id,