From mboxrd@z Thu Jan 1 00:00:00 1970 From: albin.tonnerre@free-electrons.com (Albin Tonnerre) Date: Wed, 30 Sep 2009 14:34:49 +0200 Subject: [PATCH v2] Add cpuidle support for at91 In-Reply-To: <4AC2168B.60903@atmel.com> References: <1247680190-19674-1-git-send-email-albin.tonnerre@free-electrons.com> <200908111200.58866.marc.pignat@hevs.ch> <20090812165700.GC4051@pc-ras4041.res.insa> <200908130858.47487.marc.pignat@hevs.ch> <20090813193241.GA5985@pc-ras4041.res.insa> <20090909151417.GA4014@pc-ras4041.res.insa> <4AC2168B.60903@atmel.com> Message-ID: <20090930123449.GB3238@laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org [Moving the discussion to l-a-k at lists.infradead.org] Salut Nicolas ! Thanks a lot for your answer. On Tue, 29 Sep 2009 16:15 +0200, Nicolas Ferre wrote : > Works very well and allow to save some power. After quick measures, we > run at 172mA at 12V instead of 190mA at 12V so ~2.06W and a saving of ~10% : ... and you haven't tried cpufreq yet :) > nice job ! > This is of course in my test conditions. > Just one precision: what is the difference, entering state0 with only > the current cpu_do_idle() that is activated by default ? Sorry, I don't get what you mean. Would you mind elaborating a bit? Regards, -- Albin Tonnerre, Free Electrons Kernel, drivers and embedded Linux development, consulting, training and support. http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: