linux-kernel - Re: [PATCH] ACPI: remove unused ACPI

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Message-ID: <526E238B.2070900@free-electrons.com>
Date:	Mon, 28 Oct 2013 09:42:51 +0100
From:	Michael Opdenacker <michael.opdenacker@...e-electrons.com>
To:	Paul Bolle <pebolle@...cali.nl>
CC:	Lan Tianyu <lantianyu1986@...il.com>, Len Brown <lenb@...nel.org>,
	rjw@...ysocki.net,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-kernel@...r kernel org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI: remove unused ACPI_PROCFS Kconfig param

Hi Paul,

On 10/28/2013 09:27 AM, Paul Bolle wrote:
> On Mon, 2013-10-28 at 07:22 +0100, Michael Opdenacker wrote:
>> [...] CONFIG_ACPI_PROCFS is no longer used anywhere, neither in
>> Makefiles nor in the source code. ACPI_PROCFS isn't event used in
>> Kconfig files as an intermediate dependency.
>>
>> What I deduce from that is that even if you set CONFIG_ACPI_PROCFS=y in
>> the kernel configuration, this will have no impact at all.
> About half a year ago I noticed that this Kconfig symbol is unused since
> v2.6.38 [0]. As, apparently, nothing has changed it is currently unused
> for over two and a half years.
>
> I still don't really understand the purpose of this symbol. But whatever
> it is, it might as well be dropped. If it's ever needed again it could
> be re-added. Or, perhaps, an entirely different approach could be used
> to accomplish what that symbol is supposed to do.
>
>
> Paul Bolle
>
> [0] http://marc.info/?l=linux-acpi&m=136398635322975
Good to know that nobody has complained about this for two and half
years :) This is then probably safe to remove this symbol for good.

Thanks again,

Michael.

-- 
Michael Opdenacker, CEO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
+33 484 258 098

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