linux-kernel - Re: [PATCH 19/73] arm: mach-s3c64xx mach-crag6410-module.c is not modular

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Message-ID: <20140123131621.GD11589@opensource.wolfsonmicro.com>
Date:	Thu, 23 Jan 2014 13:16:21 +0000
From:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	patches@...nsource.wolfsonmicro.com,
	Ben Dooks <ben-linux@...ff.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 19/73] arm: mach-s3c64xx mach-crag6410-module.c is not
	modular

On Tue, Jan 21, 2014 at 04:22:22PM -0500, Paul Gortmaker wrote:
> Despite the name mach-crag6410-module.c, the code is built for
> MACH_WLF_CRAGG_6410 -- which is bool, and hence this code is
> either present or absent.  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: Ben Dooks <ben-linux@...ff.org>
> Cc: Kukjin Kim <kgene.kim@...sung.com>
> Cc: Russell King <linux@....linux.org.uk>
> Cc: patches@...nsource.wolfsonmicro.com
> Cc: linux-arm-kernel@...ts.infradead.org
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> ---

Tested-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>

Thanks,
Charles
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