From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f169.google.com (mail-we0-f169.google.com [74.125.82.169]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5EC962C013B for ; Thu, 7 Nov 2013 08:11:08 +1100 (EST) Received: by mail-we0-f169.google.com with SMTP id q58so80451wes.0 for ; Wed, 06 Nov 2013 13:11:04 -0800 (PST) Message-ID: <527AB066.6050805@linaro.org> Date: Wed, 06 Nov 2013 22:11:02 +0100 From: Daniel Lezcano MIME-Version: 1.0 To: Deepthi Dharwar , benh@kernel.crashing.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V7 7/7] powernv/cpuidle: Enable idle powernv cpu to call into the cpuidle framework. References: <20131029110052.31547.82682.stgit@deepthi.in.ibm.com> <20131029110201.31547.55088.stgit@deepthi.in.ibm.com> In-Reply-To: <20131029110201.31547.55088.stgit@deepthi.in.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Cc: preeti@linux.vnet.ibm.com, srivatsa.bhat@linux.vnet.ibm.com, scottwood@freescale.com, linux-pm@lists.linux-foundation.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 10/29/2013 12:02 PM, Deepthi Dharwar wrote: > This patch enables idle cpu on the powernv platform to hook on to the cpuidle > framework, if available, else call on to default idle platform > code. > > Signed-off-by: Deepthi Dharwar Acked-by: Daniel Lezcano > --- > arch/powerpc/platforms/powernv/setup.c | 13 ++++++++++++- > 1 file changed, 12 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c > index e239dcf..42a6ba0 100644 > --- a/arch/powerpc/platforms/powernv/setup.c > +++ b/arch/powerpc/platforms/powernv/setup.c > @@ -25,6 +25,7 @@ > #include > #include > #include > +#include > > #include > #include > @@ -192,6 +193,16 @@ static void __init pnv_setup_machdep_rtas(void) > } > #endif /* CONFIG_PPC_POWERNV_RTAS */ > > +void powernv_idle(void) > +{ > + /* Hook to cpuidle framework if available, else > + * call on default platform idle code > + */ > + if (cpuidle_idle_call()) { > + power7_idle(); > + } > +} > + > static int __init pnv_probe(void) > { > unsigned long root = of_get_flat_dt_root(); > @@ -222,7 +233,7 @@ define_machine(powernv) { > .show_cpuinfo = pnv_show_cpuinfo, > .progress = pnv_progress, > .machine_shutdown = pnv_shutdown, > - .power_save = power7_idle, > + .power_save = powernv_idle, > .calibrate_decr = generic_calibrate_decr, > #ifdef CONFIG_KEXEC > .kexec_cpu_down = pnv_kexec_cpu_down, > -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog