From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni) Date: Wed, 19 Feb 2014 18:01:18 +0100 Subject: [PATCH v4 13/13] ARM: mvebu: register the cpuidle driver for the Armada XP SoCs In-Reply-To: <5304E14F.3020303@free-electrons.com> References: <1392312816-17657-1-git-send-email-gregory.clement@free-electrons.com> <1392312816-17657-14-git-send-email-gregory.clement@free-electrons.com> <20140219174634.17123478@skate> <5304E14F.3020303@free-electrons.com> Message-ID: <20140219180118.4915a6db@skate> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Gregory CLEMENT, On Wed, 19 Feb 2014 17:52:31 +0100, Gregory CLEMENT wrote: > > What about putting this in pmsu.c, in an arch_initcall() (or some other > > initcall level) ? The cpuidle feature is really tied to the PMSU, so I > > believe it makes sense to have the cpuidle-armada-370-xp > > platform_device declared and registered in pmsu.c. As an added bonus, > > you don't need to expose > > armada_370_xp_pmsu_enable_l2_powerdown_onidle() and > > armada_370_xp_cpu_pm_init() in a header: they can remain static > > functions private to pmsu.c. > > It sounds like a good idea, the tricky part will be to find the accurate > initcall level: not too early and not too late. Make it an arch_initcall(). This is the point where ->init_machine() is called in armada-370-xp.c. Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com