linux-kernel - [PATCH] platform: intel_turbo_max_3: make it explicitly non-modular

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Date:   Mon, 13 Feb 2017 19:37:00 -0500
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Paul Gortmaker <paul.gortmaker@...driver.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        <platform-driver-x86@...r.kernel.org>
Subject: [PATCH] platform: intel_turbo_max_3: make it explicitly non-modular

The Kconfig currently controlling compilation of this code is:

drivers/platform/x86/Kconfig:config INTEL_TURBO_MAX_3
drivers/platform/x86/Kconfig:   bool "Intel Turbo Boost Max Technology 3.0 enumeration driver"

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

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

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.

We do uncover some implicit includes during build coverage that
were hidden behind the module.h which pulls in a lot of dependants.

Cc: Darren Hart <dvhart@...radead.org>
Cc: Andy Shevchenko <andy@...radead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: platform-driver-x86@...r.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 drivers/platform/x86/intel_turbo_max_3.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/x86/intel_turbo_max_3.c b/drivers/platform/x86/intel_turbo_max_3.c
index 0103f5b32e34..4f60d8e32a0a 100644
--- a/drivers/platform/x86/intel_turbo_max_3.c
+++ b/drivers/platform/x86/intel_turbo_max_3.c
@@ -3,6 +3,8 @@
  * Copyright (c) 2017, Intel Corporation.
  * All rights reserved.
  *
+ * Author: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
+ *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
@@ -16,7 +18,9 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/topology.h>
+#include <linux/workqueue.h>
 #include <linux/cpuhotplug.h>
 #include <linux/cpufeature.h>
 #include <asm/cpu_device_id.h>
@@ -123,7 +127,6 @@ static const struct x86_cpu_id itmt_legacy_cpu_ids[] = {
 	ICPU(INTEL_FAM6_BROADWELL_X),
 	{}
 };
-MODULE_DEVICE_TABLE(x86cpu, itmt_legacy_cpu_ids);
 
 static int __init itmt_legacy_init(void)
 {
@@ -146,7 +149,3 @@ static int __init itmt_legacy_init(void)
 	return 0;
 }
 late_initcall(itmt_legacy_init)
-
-MODULE_DESCRIPTION("Intel Turbo Boost Max 3.0 enumeration driver");
-MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>");
-MODULE_LICENSE("GPL v2");
-- 
2.11.0