add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/nfc/nfcsim.c
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@@ -1,16 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * NFC hardware simulation driver
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  * Copyright (c) 2013, Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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  */
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 #include <linux/device.h>
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@@ -345,10 +336,6 @@
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 static void nfcsim_debugfs_init(void)
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 {
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 	nfcsim_debugfs_root = debugfs_create_dir("nfcsim", NULL);
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-
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-	if (!nfcsim_debugfs_root)
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-		pr_err("Could not create debugfs entry\n");
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-
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 }
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 static void nfcsim_debugfs_remove(void)