From patchwork Wed May 25 16:50:02 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 816752 Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p4PGsv4D029307 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 25 May 2011 16:55:18 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by bombadil.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QPHKq-0006nh-3m; Wed, 25 May 2011 16:53:28 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QPHKo-0004RA-A9; Wed, 25 May 2011 16:53:26 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QPHKm-0004Qs-8c for linux-arm-kernel@canuck.infradead.org; Wed, 25 May 2011 16:53:24 +0000 Received: from service87.mimecast.com ([94.185.240.25]) by casper.infradead.org with smtp (Exim 4.76 #1 (Red Hat Linux)) id 1QPHKx-0003hl-Ji for linux-arm-kernel@lists.infradead.org; Wed, 25 May 2011 16:53:37 +0000 Received: from cam-owa2.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Wed, 25 May 2011 17:50:08 +0100 Received: from localhost.localdomain ([10.1.255.212]) by cam-owa2.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Wed, 25 May 2011 17:50:05 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH v3 07/13] ARM: ux500: use remapped PPI interrupts for local timer Date: Wed, 25 May 2011 17:50:02 +0100 Message-Id: <1306342208-32754-8-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1306342208-32754-1-git-send-email-marc.zyngier@arm.com> References: <1306342208-32754-1-git-send-email-marc.zyngier@arm.com> X-OriginalArrivalTime: 25 May 2011 16:50:05.0807 (UTC) FILETIME=[CC90FFF0:01CC1AFB] X-MC-Unique: 111052517500800601 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110525_175335_761686_2505AB30 X-CRM114-Status: GOOD ( 11.72 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2-r929478 on casper.infradead.org summary: Content analysis details: (-2.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [94.185.240.25 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Linus Walleij , Srinidhi Kasagar X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 25 May 2011 16:55:18 +0000 (UTC) Use the normal interrupt scheme for the local timers by using a remapped PPI interrupt. Cc: Srinidhi Kasagar Cc: Linus Walleij Signed-off-by: Marc Zyngier --- arch/arm/mach-ux500/Kconfig | 1 + arch/arm/mach-ux500/localtimer.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 5862601..6f3eb99 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -4,6 +4,7 @@ config UX500_SOC_COMMON bool default y select ARM_GIC + select ARM_GIC_VPPI select HAS_MTU select NOMADIK_GPIO select ARM_ERRATA_753970 diff --git a/arch/arm/mach-ux500/localtimer.c b/arch/arm/mach-ux500/localtimer.c index 5ba1133..f027cef 100644 --- a/arch/arm/mach-ux500/localtimer.c +++ b/arch/arm/mach-ux500/localtimer.c @@ -17,13 +17,14 @@ #include #include #include +#include /* * Setup the local clock events for a CPU. */ int __cpuinit local_timer_setup(struct clock_event_device *evt) { - evt->irq = IRQ_LOCALTIMER; + evt->irq = gic_ppi_to_vppi(IRQ_LOCALTIMER); twd_timer_setup(evt); return 0; }