add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/arm/bifrost/mali_kbase_as_fault_debugfs.c
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@@ -1,7 +1,7 @@
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 // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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 /*
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  *
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- * (C) COPYRIGHT 2016-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2016-2022 ARM Limited. All rights reserved.
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  *
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  * This program is free software and is provided to you under the terms of the
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  * GNU General Public License version 2 as published by the Free Software
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@@ -93,20 +93,17 @@
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 	debugfs_directory = debugfs_create_dir("address_spaces",
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 					       kbdev->mali_debugfs_directory);
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-	if (debugfs_directory) {
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-		for (i = 0; i < kbdev->nr_hw_address_spaces; i++) {
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-			snprintf(as_name, ARRAY_SIZE(as_name), "as%u", i);
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-			debugfs_create_file(as_name, S_IRUGO,
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-					    debugfs_directory,
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-					    (void *)(uintptr_t)i,
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-					    &as_fault_fops);
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-		}
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-	} else {
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+	if (IS_ERR_OR_NULL(debugfs_directory)) {
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 		dev_warn(kbdev->dev,
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 			 "unable to create address_spaces debugfs directory");
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+	} else {
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+		for (i = 0; i < kbdev->nr_hw_address_spaces; i++) {
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+			if (likely(scnprintf(as_name, ARRAY_SIZE(as_name), "as%u", i)))
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+				debugfs_create_file(as_name, 0444, debugfs_directory,
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+						    (void *)(uintptr_t)i, &as_fault_fops);
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+		}
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 	}
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 #endif /* CONFIG_MALI_BIFROST_DEBUG */
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 #endif /* CONFIG_DEBUG_FS */
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-	return;
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 }