From: lorenzo.pieralisi@arm.com (Lorenzo Pieralisi)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 3/3] cpuidle: big.LITTLE: vexpress-TC2 CPU idle driver
Date: Fri, 26 Jul 2013 16:56:45 +0100 [thread overview]
Message-ID: <20130726155645.GD28084@e102568-lin.cambridge.arm.com> (raw)
In-Reply-To: <alpine.LFD.2.03.1307261058510.15022@syhkavp.arg>
On Fri, Jul 26, 2013 at 04:00:48PM +0100, Nicolas Pitre wrote:
> On Thu, 25 Jul 2013, Lorenzo Pieralisi wrote:
>
> > +static int notrace bl_powerdown_finisher(unsigned long arg)
> > +{
> > + /* MCPM works with HW CPU identifiers */
> > + unsigned int mpidr = read_cpuid_mpidr();
> > + unsigned int cluster = (mpidr >> 8) & 0xf;
> > + unsigned int cpu = mpidr & 0xf;
>
> You probably want to use the MPIDR_AFFINITY_LEVEL() macro here.
Bah, I am so used to this pattern I don't notice anymore. Changed.
Thanks !
Lorenzo
next prev parent reply other threads:[~2013-07-26 15:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-25 11:14 [RFC PATCH 0/3] ARM: TC2 big.LITTLE CPU idle driver Lorenzo Pieralisi
2013-07-25 11:14 ` [RFC PATCH 1/3] drivers: irq-chip: irq-gic: introduce gic_cpu_if_down() Lorenzo Pieralisi
2013-07-25 11:14 ` [RFC PATCH 2/3] ARM: vexpress: tc2: disable GIC CPU IF in tc2_pm_suspend Lorenzo Pieralisi
2013-07-25 11:14 ` [RFC PATCH 3/3] cpuidle: big.LITTLE: vexpress-TC2 CPU idle driver Lorenzo Pieralisi
2013-07-26 15:00 ` Nicolas Pitre
2013-07-26 15:56 ` Lorenzo Pieralisi [this message]
2013-07-29 14:00 ` Daniel Lezcano
2013-07-29 14:23 ` Lorenzo Pieralisi
2013-08-06 15:40 ` Kevin Hilman
2013-08-06 16:21 ` Lorenzo Pieralisi
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