From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sat, 30 Aug 2014 00:15:57 +0200 (CEST) Received: from mail-qc0-f202.google.com ([209.85.216.202]:33641 "EHLO mail-qc0-f202.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S27007478AbaH2WOxZdV7H (ORCPT ); Sat, 30 Aug 2014 00:14:53 +0200 Received: by mail-qc0-f202.google.com with SMTP id r5so418205qcx.5 for ; Fri, 29 Aug 2014 15:14:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=nCu/ySSqRMOxS2XJVbt3aUG4JZtJdi70ziZvoUUbHR4=; b=KbCi6D074+pmj6qAQjNs+wehltn+yaftO5zooF9zcneAmItTH0WKKZgm3hkDCfJKgh HrzTkL/2fnUIZ79vjZCLkN8mACHgSa6yc8OgWSm/WKiOm97hXY8wvGYqgzMeBrmfPopt L/RGQz8Qg6yjjrNfBDpvnmF8TgtnM6oGPxdoQJc1G/gTLI+3Iky+fPdnA6iAg5aec2jr DaqWB5ApHEERAb+OLJq1lpna6Bo3wMQ+tWDoNYRMLc+zwd4qfCrnQwEJKWTk3+dV2rcE 7DJk/6w8XvyWvZyJjGmOb6yUeqOhNz1R+4d9O8ArEYrWLYPKF3zyJTYdfY4wLIp36An3 TVWA== X-Gm-Message-State: ALoCoQniJPitRoRig38C8RO5iVNfsIos/qzQ6L1BmElxbRgX6B3V9NkApbhUfOaF/T3QWkaW7EHB X-Received: by 10.236.191.37 with SMTP id f25mr7216343yhn.44.1409350487306; Fri, 29 Aug 2014 15:14:47 -0700 (PDT) Received: from corp2gmr1-1.hot.corp.google.com (corp2gmr1-1.hot.corp.google.com [172.24.189.92]) by gmr-mx.google.com with ESMTPS id h24si65yhb.6.2014.08.29.15.14.47 for (version=TLSv1.1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 29 Aug 2014 15:14:47 -0700 (PDT) Received: from abrestic.mtv.corp.google.com (abrestic.mtv.corp.google.com [172.22.65.70]) by corp2gmr1-1.hot.corp.google.com (Postfix) with ESMTP id 2869231C516; Fri, 29 Aug 2014 15:14:47 -0700 (PDT) Received: by abrestic.mtv.corp.google.com (Postfix, from userid 137652) id DF075221060; Fri, 29 Aug 2014 15:14:46 -0700 (PDT) From: Andrew Bresticker To: Ralf Baechle , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala Cc: Andrew Bresticker , Jeffrey Deans , Markos Chandras , Paul Burton , Thomas Gleixner , Jason Cooper , linux-mips@linux-mips.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 08/12] MIPS: GIC: Implement generic irq_ack/irq_eoi callbacks Date: Fri, 29 Aug 2014 15:14:35 -0700 Message-Id: <1409350479-19108-9-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.1.0.rc2.206.gedb03e5 In-Reply-To: <1409350479-19108-1-git-send-email-abrestic@chromium.org> References: <1409350479-19108-1-git-send-email-abrestic@chromium.org> Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 42327 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: abrestic@chromium.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Implement a default gic_irq_ack() and gic_finish_irq(). These are suitable for handling IPIs on Malta and the upcoming Danube board. Signed-off-by: Andrew Bresticker --- arch/mips/kernel/irq-gic.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index 01fcc28..1764b01 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -242,6 +242,20 @@ static void gic_unmask_irq(struct irq_data *d) GIC_SET_INTR_MASK(d->irq - gic_irq_base); } +void __weak gic_irq_ack(struct irq_data *d) +{ + GIC_CLR_INTR_MASK(d->irq - gic_irq_base); + + /* Clear edge detector */ + if (gic_irq_flags[d->irq - gic_irq_base] & GIC_TRIG_EDGE) + GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), d->irq - gic_irq_base); +} + +void __weak gic_finish_irq(struct irq_data *d) +{ + GIC_SET_INTR_MASK(d->irq - gic_irq_base); +} + static int gic_set_type(struct irq_data *d, unsigned int type) { unsigned int irq = d->irq - gic_irq_base; -- 2.1.0.rc2.206.gedb03e5