[PATCH v3 2/4] mISDN: Replace GPL notice boilerplate with SPDX identifier

[Bagas Sanjaya]

Replace unversioned GPL notice boilerplate on dsp_* with SPDX identifier
for GPL 1.0+. These files missed previous SPDX conversion batches
due to not specifying GPL version.

Cc: Stephen Hemminger <stephen at networkplumber.org>
Cc: Andreas Eversberg <jolly at eversberg.eu>
Cc: Karsten Keil <keil at isdn4linux.de>
Reviewed-by: Simon Horman <simon.horman at corigine.com>
Signed-off-by: Bagas Sanjaya <bagasdotme at gmail.com>
---
 drivers/isdn/mISDN/dsp_audio.c    | 4 +---
 drivers/isdn/mISDN/dsp_blowfish.c | 4 +---
 drivers/isdn/mISDN/dsp_cmx.c      | 4 +---
 drivers/isdn/mISDN/dsp_core.c     | 3 +--
 drivers/isdn/mISDN/dsp_dtmf.c     | 4 +---
 drivers/isdn/mISDN/dsp_tones.c    | 4 +---
 6 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/drivers/isdn/mISDN/dsp_audio.c b/drivers/isdn/mISDN/dsp_audio.c
index bbef98e7a16efb..df86c0ce9cd8d1 100644
--- a/drivers/isdn/mISDN/dsp_audio.c
+++ b/drivers/isdn/mISDN/dsp_audio.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * Audio support data for mISDN_dsp.
  *
  * Copyright 2002/2003 by Andreas Eversberg (jolly at eversberg.eu)
  * Rewritten by Peter
  *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
  */
 
 #include <linux/delay.h>
diff --git a/drivers/isdn/mISDN/dsp_blowfish.c b/drivers/isdn/mISDN/dsp_blowfish.c
index 0aa572f3858da7..e161c092012653 100644
--- a/drivers/isdn/mISDN/dsp_blowfish.c
+++ b/drivers/isdn/mISDN/dsp_blowfish.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * Blowfish encryption/decryption for mISDN_dsp.
  *
  * Copyright Andreas Eversberg (jolly at eversberg.eu)
  *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
  */
 
 #include <linux/mISDNif.h>
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index 357b87592eb48c..c2b24fdf234523 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * Audio crossconnecting/conferrencing (hardware level).
  *
  * Copyright 2002 by Andreas Eversberg (jolly at eversberg.eu)
  *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
  */
 
 /*
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 386084530c2f85..b9ec8489e690a0 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * Author       Andreas Eversberg (jolly at eversberg.eu)
  * Based on source code structure by
  *		Karsten Keil (keil at isdn4linux.de)
  *
- *		This file is (c) under GNU PUBLIC LICENSE
- *
  * Thanks to    Karsten Keil (great drivers)
  *              Cologne Chip (great chips)
  *
diff --git a/drivers/isdn/mISDN/dsp_dtmf.c b/drivers/isdn/mISDN/dsp_dtmf.c
index 642f30be5ce249..746c210a6d2495 100644
--- a/drivers/isdn/mISDN/dsp_dtmf.c
+++ b/drivers/isdn/mISDN/dsp_dtmf.c
@@ -1,12 +1,10 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * DTMF decoder.
  *
  * Copyright            by Andreas Eversberg (jolly at eversberg.eu)
  *			based on different decoders such as ISDN4Linux
  *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
  */
 
 #include <linux/mISDNif.h>
diff --git a/drivers/isdn/mISDN/dsp_tones.c b/drivers/isdn/mISDN/dsp_tones.c
index 8389e2105cdcf6..16a47cc910c585 100644
--- a/drivers/isdn/mISDN/dsp_tones.c
+++ b/drivers/isdn/mISDN/dsp_tones.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-1.0+
 /*
  * Audio support data for ISDN4Linux.
  *
  * Copyright Andreas Eversberg (jolly at eversberg.eu)
  *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
  */
 
 #include <linux/gfp.h>
-- 
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