From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752120AbaC1LOf (ORCPT ); Fri, 28 Mar 2014 07:14:35 -0400 Received: from top.free-electrons.com ([176.31.233.9]:35409 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751613AbaC1LOa (ORCPT ); Fri, 28 Mar 2014 07:14:30 -0400 From: Gregory CLEMENT To: Daniel Lezcano , "Rafael J. Wysocki" , linux-pm@vger.kernel.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT Cc: Thomas Petazzoni , Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, Lior Amsalem , Tawfik Bayouk , Nadav Haklai , linux-kernel@vger.kernel.org Subject: [PATCH v6 09/11] ARM: mvebu: Register notifier callback for the cpuidle transition Date: Fri, 28 Mar 2014 12:13:29 +0100 Message-Id: <1396005211-15573-10-git-send-email-gregory.clement@free-electrons.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1396005211-15573-1-git-send-email-gregory.clement@free-electrons.com> References: <1396005211-15573-1-git-send-email-gregory.clement@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In order to have well encapsulated code, we use notifier callbacks for CPU_PM_ENTER and CPU_PM_EXIT inside the mvebu power management code. Signed-off-by: Gregory CLEMENT --- arch/arm/mach-mvebu/pmsu.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 968c8c02c126..9ea2bb44d573 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -18,6 +18,7 @@ #define pr_fmt(fmt) "mvebu-pmsu: " fmt +#include #include #include #include @@ -263,4 +264,21 @@ static noinline void armada_370_xp_pmsu_idle_restore(void) writel(reg, pmsu_mp_base + PMSU_STATUS_AND_MASK(hw_cpu)); } +static int armada_370_xp_cpu_pm_notify(struct notifier_block *self, + unsigned long action, void *hcpu) +{ + if (action == CPU_PM_ENTER) { + unsigned int hw_cpu = cpu_logical_map(smp_processor_id()); + mvebu_pmsu_set_cpu_boot_addr(hw_cpu, armada_370_xp_cpu_resume); + } else if (action == CPU_PM_EXIT) { + armada_370_xp_pmsu_idle_restore(); + } + + return NOTIFY_OK; +} + +static struct notifier_block armada_370_xp_cpu_pm_notifier = { + .notifier_call = armada_370_xp_cpu_pm_notify, +}; + early_initcall(armada_370_xp_pmsu_init); -- 1.8.1.2