From mboxrd@z Thu Jan 1 00:00:00 1970 From: broonie@opensource.wolfsonmicro.com (Mark Brown) Date: Tue, 20 Dec 2011 23:36:21 +0000 Subject: [PATCH 17/20] ARM: mach-s3c64xx: properly disable CPU idle call In-Reply-To: References: <1324288069-21940-1-git-send-email-nico@fluxnic.net> <1324288069-21940-18-git-send-email-nico@fluxnic.net> <20111220150302.GE29727@sirena.org.uk> Message-ID: <20111220233621.GB6551@opensource.wolfsonmicro.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Dec 20, 2011 at 01:54:00PM -0500, Nicolas Pitre wrote: > So if you can confirm the kernel works fine with that disable_hlt() > commented out (while still including the rest of the patch) then I can > change the patch. And if you can measure a difference in power > consumption when the system is idle then that would be even better. Tested-by: Mark Brown with and without the disable_hlt() call. I don't have equipment with me to measure power but I don't expect much effect without additional code to enable power saving in WFI as for some reason the default behaviour isn't to save power.