From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757619Ab3ANRGu (ORCPT ); Mon, 14 Jan 2013 12:06:50 -0500 Received: from service87.mimecast.com ([91.220.42.44]:55252 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756389Ab3ANRGs (ORCPT ); Mon, 14 Jan 2013 12:06:48 -0500 From: Mark Rutland To: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, tglx@linutronix.de, nico@linaro.org, Will.Deacon@arm.com, Marc.Zyngier@arm.com, john.stultz@linaro.org, Mark Rutland Subject: [PATCHv3 4/4] arm: Add generic timer broadcast support Date: Mon, 14 Jan 2013 17:05:24 +0000 Message-Id: <1358183124-28461-5-git-send-email-mark.rutland@arm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1358183124-28461-1-git-send-email-mark.rutland@arm.com> References: <1358183124-28461-1-git-send-email-mark.rutland@arm.com> X-OriginalArrivalTime: 14 Jan 2013 17:06:46.0973 (UTC) FILETIME=[8928CED0:01CDF279] X-MC-Unique: 113011417064714501 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id r0EH6pmo001328 Implement timer_broadcast for the arm architecture, allowing for the use of clock_event_device_drivers decoupled from the timer tick broadcast mechanism. Signed-off-by: Mark Rutland Reviewed-by: Santosh Shilimkar Tested-by: Santosh Shilimkar Reviewed-by: Stephen Boyd --- arch/arm/Kconfig | 1 + arch/arm/kernel/smp.c | 3 +-- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 67874b8..65ae737 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -4,6 +4,7 @@ config ARM select ARCH_BINFMT_ELF_RANDOMIZE_PIE select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT if MMU select CPU_PM if (SUSPEND || CPU_IDLE) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 9308519..b7e3b50 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -476,7 +476,7 @@ u64 smp_irq_stat_cpu(unsigned int cpu) static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent); #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST -static void smp_timer_broadcast(const struct cpumask *mask) +void tick_broadcast(const struct cpumask *mask) { smp_cross_call(mask, IPI_TIMER); } @@ -524,7 +524,6 @@ static void __cpuinit percpu_timer_setup(void) struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu); evt->cpumask = cpumask_of(cpu); - evt->broadcast = smp_timer_broadcast; if (!lt_ops || lt_ops->setup(evt)) broadcast_timer_setup(evt); -- 1.7.0.4