From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8FE9EC433E1 for ; Mon, 24 Aug 2020 10:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C9B52075B for ; Mon, 24 Aug 2020 10:24:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598264683; bh=C3YTLiTEJrWGnbRCgydH4Jhh5WgGVJ9rPOEaMGjkFBo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=rwpJhmbHyfVXV3BnAjua710B6+HA+Sdj+6K80bdd8NQjtR1gc72drD+uMdkopRZwj j+YOPTUldCV3qnQUIHv0yucOWcJelR2e97W1p0rdIgWF+6PgB/X7EZf7o18yFRRijp wiNAI35XtTCsM2Im7D508anyruBwabP1HGIZljZU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727064AbgHXKYk (ORCPT ); Mon, 24 Aug 2020 06:24:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:50208 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726483AbgHXKXx (ORCPT ); Mon, 24 Aug 2020 06:23:53 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AD6292075B; Mon, 24 Aug 2020 10:23:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598264632; bh=C3YTLiTEJrWGnbRCgydH4Jhh5WgGVJ9rPOEaMGjkFBo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N00I6fphgD0Z14HF7FvDHj7L1K0/1d/gVI3mkDIxMrhi9ow+9ekc/wIc+XWUkjubQ kM1M5QXZCN8KEYaoccd4niRlTKE5uIJqlAwzqIO7gZpizpaXs3mDVvzFLkaM5c3VIW y/t28V7i7BYnOEAZPKfZcu5784lUO0AwLH6fhmoI= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kA9dn-006BQc-5k; Mon, 24 Aug 2020 11:23:51 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Cc: Bjorn Helgaas , Gregory Clement , Jason Cooper , Laurentiu Tudor , Thomas Gleixner , Valentin Schneider Subject: [PATCH 2/9] irqchip/git-v3-its: Implement irq_retrigger callback for device-triggered LPIs Date: Mon, 24 Aug 2020 11:23:10 +0100 Message-Id: <20200824102317.1038259-3-maz@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200824102317.1038259-1-maz@kernel.org> References: <20200824102317.1038259-1-maz@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, bhelgaas@google.com, gregory.clement@bootlin.com, jason@lakedaemon.net, laurentiu.tudor@nxp.com, tglx@linutronix.de, valentin.schneider@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic-v3-its.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 95f097448f97..2808545a963e 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1720,6 +1720,11 @@ static int its_irq_set_irqchip_state(struct irq_data *d, return 0; } +static int its_irq_retrigger(struct irq_data *d) +{ + return !its_irq_set_irqchip_state(d, IRQCHIP_STATE_PENDING, true); +} + /* * Two favourable cases: * @@ -1971,6 +1976,7 @@ static struct irq_chip its_irq_chip = { .irq_set_affinity = its_set_affinity, .irq_compose_msi_msg = its_irq_compose_msi_msg, .irq_set_irqchip_state = its_irq_set_irqchip_state, + .irq_retrigger = its_irq_retrigger, .irq_set_vcpu_affinity = its_irq_set_vcpu_affinity, }; -- 2.27.0