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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/crypto/qat/qat_common/adf_transport_debug.c
....@@ -1,49 +1,5 @@
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-/*
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-  This file is provided under a dual BSD/GPLv2 license.  When using or
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-  redistributing this file, you may do so under either license.
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-
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-  GPL LICENSE SUMMARY
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-  Copyright(c) 2014 Intel Corporation.
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-  This program is free software; you can redistribute it and/or modify
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-  it under the terms of version 2 of the GNU General Public License as
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-  published by the Free Software Foundation.
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-
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-  This program is distributed in the hope that it will be useful, but
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-  WITHOUT ANY WARRANTY; without even the implied warranty of
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-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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-  General Public License for more details.
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-
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-  Contact Information:
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-  qat-linux@intel.com
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-
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-  BSD LICENSE
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-  Copyright(c) 2014 Intel Corporation.
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-  Redistribution and use in source and binary forms, with or without
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-  modification, are permitted provided that the following conditions
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-  are met:
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-
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-    * Redistributions of source code must retain the above copyright
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-      notice, this list of conditions and the following disclaimer.
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-    * Redistributions in binary form must reproduce the above copyright
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-      notice, this list of conditions and the following disclaimer in
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-      the documentation and/or other materials provided with the
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-      distribution.
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-    * Neither the name of Intel Corporation nor the names of its
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-      contributors may be used to endorse or promote products derived
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-      from this software without specific prior written permission.
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-
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-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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-  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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-  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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-  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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-  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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-  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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-  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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-*/
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+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
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+/* Copyright(c) 2014 - 2020 Intel Corporation */
473 #include <linux/mutex.h>
484 #include <linux/slab.h>
495 #include <linux/seq_file.h>
....@@ -121,31 +77,14 @@
12177 	mutex_unlock(&ring_read_lock);
12278 }
12379 
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-static const struct seq_operations adf_ring_sops = {
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+static const struct seq_operations adf_ring_debug_sops = {
12581 	.start = adf_ring_start,
12682 	.next = adf_ring_next,
12783 	.stop = adf_ring_stop,
12884 	.show = adf_ring_show
12985 };
13086 
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-static int adf_ring_open(struct inode *inode, struct file *file)
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-{
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-	int ret = seq_open(file, &adf_ring_sops);
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-
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-	if (!ret) {
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-		struct seq_file *seq_f = file->private_data;
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-
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-		seq_f->private = inode->i_private;
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-	}
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-	return ret;
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-}
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-
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-static const struct file_operations adf_ring_debug_fops = {
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-	.open = adf_ring_open,
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-	.read = seq_read,
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-	.llseek = seq_lseek,
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-	.release = seq_release
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-};
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+DEFINE_SEQ_ATTRIBUTE(adf_ring_debug);
14988 
15089 int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name)
15190 {
....@@ -163,11 +102,6 @@
163102 	ring_debug->debug = debugfs_create_file(entry_name, S_IRUSR,
164103 						ring->bank->bank_debug_dir,
165104 						ring, &adf_ring_debug_fops);
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-	if (!ring_debug->debug) {
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-		pr_err("QAT: Failed to create ring debug entry.\n");
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-		kfree(ring_debug);
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-		return -EFAULT;
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-	}
171105 	ring->ring_debug = ring_debug;
172106 	return 0;
173107 }
....@@ -237,31 +171,14 @@
237171 	mutex_unlock(&bank_read_lock);
238172 }
239173 
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-static const struct seq_operations adf_bank_sops = {
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+static const struct seq_operations adf_bank_debug_sops = {
241175 	.start = adf_bank_start,
242176 	.next = adf_bank_next,
243177 	.stop = adf_bank_stop,
244178 	.show = adf_bank_show
245179 };
246180 
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-static int adf_bank_open(struct inode *inode, struct file *file)
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-{
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-	int ret = seq_open(file, &adf_bank_sops);
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-
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-	if (!ret) {
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-		struct seq_file *seq_f = file->private_data;
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-
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-		seq_f->private = inode->i_private;
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-	}
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-	return ret;
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-}
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-
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-static const struct file_operations adf_bank_debug_fops = {
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-	.open = adf_bank_open,
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-	.read = seq_read,
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-	.llseek = seq_lseek,
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-	.release = seq_release
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-};
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+DEFINE_SEQ_ATTRIBUTE(adf_bank_debug);
265182 
266183 int adf_bank_debugfs_add(struct adf_etr_bank_data *bank)
267184 {
....@@ -271,19 +188,9 @@
271188 
272189 	snprintf(name, sizeof(name), "bank_%02d", bank->bank_number);
273190 	bank->bank_debug_dir = debugfs_create_dir(name, parent);
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-	if (!bank->bank_debug_dir) {
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-		pr_err("QAT: Failed to create bank debug dir.\n");
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-		return -EFAULT;
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-	}
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-
279191 	bank->bank_debug_cfg = debugfs_create_file("config", S_IRUSR,
280192 						   bank->bank_debug_dir, bank,
281193 						   &adf_bank_debug_fops);
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-	if (!bank->bank_debug_cfg) {
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-		pr_err("QAT: Failed to create bank debug entry.\n");
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-		debugfs_remove(bank->bank_debug_dir);
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-		return -EFAULT;
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-	}
287194 	return 0;
288195 }
289196