linux-kernel - [PATCH 1/9] PCI: PCIe dpc: make it explicitly non-modular

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Date:   Wed, 24 Aug 2016 16:57:44 -0400
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Paul Gortmaker <paul.gortmaker@...driver.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Keith Busch <keith.busch@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        <linux-pci@...r.kernel.org>
Subject: [PATCH 1/9] PCI: PCIe dpc: make it explicitly non-modular

The Kconfig currently controlling compilation of this code is:

drivers/pci/pcie/Kconfig:config PCIE_DPC
drivers/pci/pcie/Kconfig:       bool "PCIe Downstream Port Containment support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit.

We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Keith Busch <keith.busch@...el.com>
Cc: Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc: linux-pci@...r.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 drivers/pci/pcie/pcie-dpc.c | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c
index 250f87861786..9811b14d9ad8 100644
--- a/drivers/pci/pcie/pcie-dpc.c
+++ b/drivers/pci/pcie/pcie-dpc.c
@@ -1,5 +1,7 @@
 /*
  * PCI Express Downstream Port Containment services driver
+ * Author: Keith Busch <keith.busch@...el.com>
+ *
  * Copyright (C) 2016 Intel Corp.
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -9,7 +11,7 @@
 
 #include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
+#include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/pcieport_if.h>
 
@@ -143,16 +145,4 @@ static int __init dpc_service_init(void)
 {
 	return pcie_port_service_register(&dpcdriver);
 }
-
-static void __exit dpc_service_exit(void)
-{
-	pcie_port_service_unregister(&dpcdriver);
-}
-
-MODULE_DESCRIPTION("PCI Express Downstream Port Containment driver");
-MODULE_AUTHOR("Keith Busch <keith.busch@...el.com>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION("0.1");
-
-module_init(dpc_service_init);
-module_exit(dpc_service_exit);
+device_initcall(dpc_service_init);
-- 
2.8.4