From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753125Ab3KKFhI (ORCPT ); Mon, 11 Nov 2013 00:37:08 -0500 Received: from e28smtp05.in.ibm.com ([122.248.162.5]:36749 "EHLO e28smtp05.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753058Ab3KKFgb (ORCPT ); Mon, 11 Nov 2013 00:36:31 -0500 Subject: [PATCH v8 7/7] powernv/cpuidle: Enable idle powernv cpu to call into the cpuidle framework. To: benh@kernel.crashing.org, linux-pm@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org From: Deepthi Dharwar Cc: b.zolnierkie@samsung.com, daniel.lezcano@linaro.org, dongsheng.wang@freescale.com, michael@ellerman.id.au, scottwood@freescale.com, srivatsa.bhat@linux.vnet.ibm.com, preeti@linux.vnet.ibm.com, svaidy@linux.vnet.ibm.com Date: Mon, 11 Nov 2013 11:06:10 +0530 Message-ID: <20131111053608.14797.41270.stgit@deepthi.in.ibm.com> In-Reply-To: <20131111053450.14797.75544.stgit@deepthi.in.ibm.com> References: <20131111053450.14797.75544.stgit@deepthi.in.ibm.com> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13111105-8256-0000-0000-00000A123976 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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,