Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751666Ab1BGMWV (ORCPT ); Mon, 7 Feb 2011 07:22:21 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:33025 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751122Ab1BGMWU (ORCPT ); Mon, 7 Feb 2011 07:22:20 -0500 From: Mark Brown To: "Rafael J. Wysocki" , Len Brown , Alan Stern Cc: linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Andrew Morton , Dmitry Torokhov , linux-embedded@vger.kernel.org, Mark Brown Subject: [PATCH] PM: Hide CONFIG_PM from users Date: Mon, 7 Feb 2011 12:22:15 +0000 Message-Id: <1297081335-13631-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2349 Lines: 56 It is very rare to find a current system which is both sufficiently resource constrained to want to compile out power management support and sufficiently power insensitive to be able to tolerate doing so. Since having the configuration option requires non-zero effort to maintain, with ifdefery in most drivers, but it is used with vanishing rarity it is simpler to just remove the option. Begin doing so by hiding it from users - this should attract complaints from any active users. The option is left disabled for the IA64 Ski simulator which is a partial simulator for IA64 systems mostly missing device support. This is a very limited use case which is unlikely to ever want to enable most drivers. Signed-off-by: Mark Brown --- kernel/power/Kconfig | 21 ++------------------- 1 files changed, 2 insertions(+), 19 deletions(-) diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 2657299..99e3c52 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -1,23 +1,6 @@ config PM - bool "Power Management support" - depends on !IA64_HP_SIM - ---help--- - "Power Management" means that parts of your computer are shut - off or put into a power conserving "sleep" mode if they are not - being used. There are two competing standards for doing this: APM - and ACPI. If you want to use either one, say Y here and then also - to the requisite support below. - - Power Management is most important for battery powered laptop - computers; if you have a laptop, check out the Linux Laptop home - page on the WWW at or - Tuxmobil - Linux on Mobile Computers at - and the Battery Powered Linux mini-HOWTO, available from - . - - Note that, even if you say N here, Linux on the x86 architecture - will issue the hlt instruction if nothing is to be done, thereby - sending the processor to sleep and saving power. + bool + default y if !IA64_HP_SIM config PM_DEBUG bool "Power Management Debug Support" -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/