From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752998AbcGSHAk (ORCPT ); Tue, 19 Jul 2016 03:00:40 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44694 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752565AbcGSHAg (ORCPT ); Tue, 19 Jul 2016 03:00:36 -0400 Date: Tue, 19 Jul 2016 00:00:01 -0700 From: tip-bot for Richard Cochran Message-ID: Cc: marc.zyngier@arm.com, rcochran@linutronix.de, peterz@infradead.org, torvalds@linux-foundation.org, mingo@kernel.org, anna-maria@linutronix.de, linux-kernel@vger.kernel.org, tglx@linutronix.de, hpa@zytor.com, jason@lakedaemon.net Reply-To: tglx@linutronix.de, jason@lakedaemon.net, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@kernel.org, anna-maria@linutronix.de, marc.zyngier@arm.com, rcochran@linutronix.de, torvalds@linux-foundation.org, peterz@infradead.org In-Reply-To: <20160713153333.330661455@linutronix.de> References: <20160713153333.330661455@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:smp/hotplug] irqchip/armada-370-xp: Convert to hotplug state machine Git-Commit-ID: cb5ff2d245c1023f1004eca73038b2cae87bcc6a X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: cb5ff2d245c1023f1004eca73038b2cae87bcc6a Gitweb: http://git.kernel.org/tip/cb5ff2d245c1023f1004eca73038b2cae87bcc6a Author: Richard Cochran AuthorDate: Wed, 13 Jul 2016 17:16:07 +0000 Committer: Ingo Molnar CommitDate: Thu, 14 Jul 2016 09:34:29 +0200 irqchip/armada-370-xp: Convert to hotplug state machine Install the callbacks via the state machine. Signed-off-by: Richard Cochran Signed-off-by: Anna-Maria Gleixner Acked-by: Jason Cooper Cc: Linus Torvalds Cc: Marc Zyngier Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160713153333.330661455@linutronix.de Signed-off-by: Ingo Molnar --- drivers/irqchip/irq-armada-370-xp.c | 44 +++++++++++++------------------------ include/linux/cpuhotplug.h | 2 ++ 2 files changed, 17 insertions(+), 29 deletions(-) diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index e7dc6cb..e2b8fee 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -344,40 +344,22 @@ static void armada_mpic_send_doorbell(const struct cpumask *mask, writel((map << 8) | irq, main_int_base + ARMADA_370_XP_SW_TRIG_INT_OFFS); } +#endif -static int armada_xp_mpic_secondary_init(struct notifier_block *nfb, - unsigned long action, void *hcpu) +static int armada_xp_mpic_starting_cpu(unsigned int cpu) { - if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) { - armada_xp_mpic_perf_init(); - armada_xp_mpic_smp_cpu_init(); - } - - return NOTIFY_OK; + armada_xp_mpic_perf_init(); + armada_xp_mpic_smp_cpu_init(); + return 0; } -static struct notifier_block armada_370_xp_mpic_cpu_notifier = { - .notifier_call = armada_xp_mpic_secondary_init, - .priority = 100, -}; - -static int mpic_cascaded_secondary_init(struct notifier_block *nfb, - unsigned long action, void *hcpu) +static int mpic_cascaded_starting_cpu(unsigned int cpu) { - if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) { - armada_xp_mpic_perf_init(); - enable_percpu_irq(parent_irq, IRQ_TYPE_NONE); - } - - return NOTIFY_OK; + armada_xp_mpic_perf_init(); + enable_percpu_irq(parent_irq, IRQ_TYPE_NONE); + return 0; } -static struct notifier_block mpic_cascaded_cpu_notifier = { - .notifier_call = mpic_cascaded_secondary_init, - .priority = 100, -}; -#endif /* CONFIG_SMP */ - static const struct irq_domain_ops armada_370_xp_mpic_irq_ops = { .map = armada_370_xp_mpic_irq_map, .xlate = irq_domain_xlate_onecell, @@ -595,11 +577,15 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node, set_handle_irq(armada_370_xp_handle_irq); #ifdef CONFIG_SMP set_smp_cross_call(armada_mpic_send_doorbell); - register_cpu_notifier(&armada_370_xp_mpic_cpu_notifier); + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_ARMADA_XP_STARTING, + "AP_IRQ_ARMADA_XP_STARTING", + armada_xp_mpic_starting_cpu, NULL); #endif } else { #ifdef CONFIG_SMP - register_cpu_notifier(&mpic_cascaded_cpu_notifier); + cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_ARMADA_CASC_STARTING, + "AP_IRQ_ARMADA_CASC_STARTING", + mpic_cascaded_starting_cpu, NULL); #endif irq_set_chained_handler(parent_irq, armada_370_xp_mpic_handle_cascade_irq); diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 62ab4ff..3a08ab9 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -12,6 +12,8 @@ enum cpuhp_state { CPUHP_AP_IRQ_GIC_STARTING, CPUHP_AP_IRQ_GICV3_STARTING, CPUHP_AP_IRQ_HIP04_STARTING, + CPUHP_AP_IRQ_ARMADA_XP_STARTING, + CPUHP_AP_IRQ_ARMADA_CASC_STARTING, CPUHP_AP_NOTIFY_STARTING, CPUHP_AP_ONLINE, CPUHP_TEARDOWN_CPU,