linux-kernel - [PATCH] m68k: don't use module_init in non-modular mvme16x/rtc.c code

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Message-ID: <1389910514-3802-1-git-send-email-paul.gortmaker@windriver.com>
Date:	Thu, 16 Jan 2014 17:15:14 -0500
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	<linux-m68k@...r.kernel.org>
Subject: [PATCH] m68k: don't use module_init in non-modular mvme16x/rtc.c code

The rtc.o is built for obj-y, i.e. always built in.  It will
never be modular, so using module_init as an alias for __initcall
can be somewhat misleading.

Fix this up now, so that we can relocate module_init from
init.h into module.h in the future.  If we don't do this, we'd
have to add module.h to obviously non-modular code, and that
would be a worse thing.

Note that direct use of __initcall is discouraged, vs. one
of the priority categorized subgroups.  As __initcall gets
mapped onto device_initcall, our use of device_initcall
directly in this change means that the runtime impact is
zero -- it will remain at level 6 in initcall ordering.

Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-m68k@...ts.linux-m68k.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>

diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index 6ef7a81a3b12..1755e2f7137d 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -161,4 +161,4 @@ static int __init rtc_MK48T08_init(void)
 	printk(KERN_INFO "MK48T08 Real Time Clock Driver v%s\n", RTC_VERSION);
 	return misc_register(&rtc_dev);
 }
-module_init(rtc_MK48T08_init);
+device_initcall(rtc_MK48T08_init);
-- 
1.8.5.2

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