From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: schedule_timeout sleeps too long after dividing CPU frequency Date: Fri, 15 May 2015 10:00:13 +0100 Message-ID: <20150515090013.GE2067@n2100.arm.linux.org.uk> References: <555218C7.5050602@free.fr> <20150512155004.GP2067@n2100.arm.linux.org.uk> <555380F8.5050306@free.fr> <5554858A.9010207@free.fr> <20150514115456.GB23999@linux> <55549DEE.6010202@free.fr> <5554B5C1.2070402@free.fr> <20150515041632.GG6348@linux> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20150515041632.GG6348@linux> Sender: cpufreq-owner@vger.kernel.org To: Viresh Kumar Cc: Mason , Daniel Lezcano , "Rafael J. Wysocki" , Mans Rullgard , Linux ARM , Linux PM , cpufreq List-Id: linux-pm@vger.kernel.org On Fri, May 15, 2015 at 09:46:32AM +0530, Viresh Kumar wrote: > What core does your platform has? Cortex A9? Doesn't that uses this > timer instead: drivers/clocksource/arm_arch_timer.c ? Cortex A9 doesn't always have the architected timer. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Fri, 15 May 2015 10:00:13 +0100 Subject: schedule_timeout sleeps too long after dividing CPU frequency In-Reply-To: <20150515041632.GG6348@linux> References: <555218C7.5050602@free.fr> <20150512155004.GP2067@n2100.arm.linux.org.uk> <555380F8.5050306@free.fr> <5554858A.9010207@free.fr> <20150514115456.GB23999@linux> <55549DEE.6010202@free.fr> <5554B5C1.2070402@free.fr> <20150515041632.GG6348@linux> Message-ID: <20150515090013.GE2067@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, May 15, 2015 at 09:46:32AM +0530, Viresh Kumar wrote: > What core does your platform has? Cortex A9? Doesn't that uses this > timer instead: drivers/clocksource/arm_arch_timer.c ? Cortex A9 doesn't always have the architected timer. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net.