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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c
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@@ -1,35 +1,5 @@
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-/*
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- * Copyright (C) 2015-2017 Netronome Systems, Inc.
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- *
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- * This software is dual licensed under the GNU General License Version 2,
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- * June 1991 as shown in the file COPYING in the top-level directory of this
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- * source tree or the BSD 2-Clause License provided below.  You have the
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- * option to license this software under the complete terms of either license.
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- *
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- * The BSD 2-Clause License:
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- *
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- *     Redistribution and use in source and binary forms, with or
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- *     without modification, are permitted provided that the following
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- *     conditions are met:
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- *
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- *      1. Redistributions of source code must retain the above
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- *         copyright notice, this list of conditions and the following
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- *         disclaimer.
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- *
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- *      2. Redistributions in binary form must reproduce the above
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- *         copyright notice, this list of conditions and the following
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- *         disclaimer in the documentation and/or other materials
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- *         provided with the distribution.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
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- */
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+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+/* Copyright (C) 2015-2018 Netronome Systems, Inc. */
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3
 
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 /*
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  * nfp_target.c
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@@ -39,7 +9,11 @@
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  *          Francois H. Theron <francois.theron@netronome.com>
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  */
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+#define pr_fmt(fmt)       "NFP target: " fmt
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+
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 #include <linux/bitops.h>
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+#include <linux/kernel.h>
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+#include <linux/printk.h>
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 #include "nfp_cpp.h"
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..
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@@ -733,8 +707,10 @@
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 	u32 imb;
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 	int err;
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-	if (target < 0 || target >= 16)
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+	if (target < 0 || target >= 16) {
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+		pr_err("Invalid CPP target: %d\n", target);
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 		return -EINVAL;
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+	}
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 	if (island == 0) {
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 		/* Already translated */
..
..
@@ -753,8 +729,10 @@
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 	err = nfp_cppat_addr_encode(cpp_target_address, island, target,
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 				    ((imb >> 13) & 7), ((imb >> 12) & 1),
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 				    ((imb >> 6)  & 0x3f), ((imb >> 0)  & 0x3f));
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-	if (err)
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+	if (err) {
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+		pr_err("Can't encode CPP address: %d\n", err);
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 		return err;
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+	}
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 	*cpp_target_id = NFP_CPP_ID(target,
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 				    NFP_CPP_ID_ACTION_of(cpp_island_id),