linux-kernel - [PATCH] PCI: Add SPDX GPL-2.0+ to replace implicit GPL v2 or later statement

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Date:   Mon, 29 Jan 2018 18:40:52 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kate Stewart <kstewart@...uxfoundation.org>,
        linux-s390@...r.kernel.org, linux-pci@...r.kernel.org,
        Sebastian Ott <sebott@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Gerald Schaefer <gerald.schaefer@...ibm.com>
Subject: [PATCH] PCI: Add SPDX GPL-2.0+ to replace implicit GPL v2 or later
 statement

From: Bjorn Helgaas <bhelgaas@...gle.com>

7441b0627e22 ("s390/pci: PCI hotplug support via SCLP") added
s390_pci_hpc.c, which included this license information:

  +MODULE_LICENSE("GPL");

Based on "git show 7441b0627e22:include/linux/module.h", that "GPL" string
means "GPL v2 or later":

   *      "GPL"                           [GNU Public License v2 or later]

0729dcf24832 ("s390: hotplug: make pci_hpc explicitly non-modular")
subsequently replaced the MODULE_LICENSE() with a "License: GPL" comment.

Add SPDX GPL-2.0+ and remove the "License: GPL" comment, relying on the
assertion in b24413180f56 ("License cleanup: add SPDX GPL-2.0 license
identifier to files with no license") that the SPDX identifier may be used
instead of the full boilerplate text.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 drivers/pci/hotplug/s390_pci_hpc.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c
index 530d0e49f2ed..ffdc2977395d 100644
--- a/drivers/pci/hotplug/s390_pci_hpc.c
+++ b/drivers/pci/hotplug/s390_pci_hpc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * PCI Hot Plug Controller Driver for System z
  *
@@ -5,8 +6,6 @@
  *
  * Author(s):
  *   Jan Glauber <jang@...ux.vnet.ibm.com>
- *
- * License: GPL
  */
 
 #define KMSG_COMPONENT "zpci"