linux-kernel - [PATCH] firmware_loader: move CONFIG_FW_LOADER_USER

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Date:   Fri, 11 Jan 2019 18:51:32 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] firmware_loader: move CONFIG_FW_LOADER_USER_HELPER switch to Makefile

The whole code of fallback_table.c is surrounded by #ifdef of
CONFIG_FW_LOADER_USER_HELPER.

Move the CONFIG_FW_LOADER_USER_HELPER switch to Makefile so that
it is not compiled at all when this CONFIG option is disabled.

I also removed the confusing comment, "Module or buit-in [sic]".
CONFIG_FW_LOADER_USER_HELPER is a boolean option.
(If it were a module, CONFIG_FW_LOADER_USER_HELPER_MODULE would
be defined instead.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/base/firmware_loader/Makefile         | 2 +-
 drivers/base/firmware_loader/fallback_table.c | 5 -----
 2 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/base/firmware_loader/Makefile b/drivers/base/firmware_loader/Makefile
index a97eeb0..5c7f422 100644
--- a/drivers/base/firmware_loader/Makefile
+++ b/drivers/base/firmware_loader/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for the Linux firmware loader
 
-obj-y			:= fallback_table.o
+obj-$(CONFIG_FW_LOADER_USER_HELPER) += fallback_table.o
 obj-$(CONFIG_FW_LOADER)	+= firmware_class.o
 firmware_class-objs := main.o
 firmware_class-$(CONFIG_FW_LOADER_USER_HELPER) += fallback.o
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index 7428659..776dd69 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -16,9 +16,6 @@
  * firmware fallback configuration table
  */
 
-/* Module or buit-in */
-#ifdef CONFIG_FW_LOADER_USER_HELPER
-
 static unsigned int zero;
 static unsigned int one = 1;
 
@@ -51,5 +48,3 @@ struct ctl_table firmware_config_table[] = {
 	{ }
 };
 EXPORT_SYMBOL_GPL(firmware_config_table);
-
-#endif
-- 
2.7.4