From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752510AbdHOLfd (ORCPT ); Tue, 15 Aug 2017 07:35:33 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:50658 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752363AbdHOLfb (ORCPT ); Tue, 15 Aug 2017 07:35:31 -0400 From: Marc Zyngier To: linux-kernel@vger.kernel.org Cc: Wei Xu , James Hogan , Thomas Gleixner , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Kevin Cernekee , Florian Fainelli , Chris Zankel , Max Filippov , Paul Burton , Matt Redfearn Subject: [PATCH 10/12] irqchip/hip04: Report that effective affinity is a single target Date: Tue, 15 Aug 2017 12:34:45 +0100 Message-Id: <20170815113447.14507-11-marc.zyngier@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170815113447.14507-1-marc.zyngier@arm.com> References: <20170815113447.14507-1-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The HIP04 driver only targets a single CPU at a time, even if the notional affinity is wider. Let's inform the core code about this. Signed-off-by: Marc Zyngier --- arch/arm/mach-hisi/Kconfig | 1 + drivers/irqchip/irq-hip04.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/arch/arm/mach-hisi/Kconfig b/arch/arm/mach-hisi/Kconfig index a3b091a4d344..65a048fa08ec 100644 --- a/arch/arm/mach-hisi/Kconfig +++ b/arch/arm/mach-hisi/Kconfig @@ -39,6 +39,7 @@ config ARCH_HIP04 select HAVE_ARM_ARCH_TIMER select MCPM if SMP select MCPM_QUAD_CLUSTER if SMP + select GENERIC_IRQ_EFFECTIVE_AFF_MASK help Support for Hisilicon HiP04 SoC family diff --git a/drivers/irqchip/irq-hip04.c b/drivers/irqchip/irq-hip04.c index c1b4ee955dbe..5b4fd2f4e5f8 100644 --- a/drivers/irqchip/irq-hip04.c +++ b/drivers/irqchip/irq-hip04.c @@ -165,6 +165,8 @@ static int hip04_irq_set_affinity(struct irq_data *d, writel_relaxed(val | bit, reg); raw_spin_unlock(&irq_controller_lock); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK; } #endif @@ -312,6 +314,7 @@ static int hip04_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_set_chip_and_handler(irq, &hip04_irq_chip, handle_fasteoi_irq); irq_set_probe(irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); } irq_set_chip_data(irq, d->host_data); return 0; -- 2.11.0