From patchwork Tue Jun 29 12:50:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentin Schneider X-Patchwork-Id: 12349877 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=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 793B1C11F66 for ; Tue, 29 Jun 2021 13:32:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 43F2261D4D for ; Tue, 29 Jun 2021 13:32:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 43F2261D4D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EalQY5UMN0oMWfAIFt78i5QwN8wyafSxFFq00qAii9g=; b=g0liyYql15Ah8c CH1/J5mliZiynIevXL0b8j1kkC7jJSnmwYkdwPMecAxNUnR7IpHPpd8Z1lsgfHE4/38eQZm4+uutf WkaqzglHjLFDkpSfGZpWjJ5KMO4CJe3H/R/sZYIgKva16A50E1ISffaOVwtpNF0e7CcOIotWTVaWx weEbdTsn2N0ye4aufk1trKYqiZ68NSdHRgLC9gkdhemSQCBwgIA65j/xVP9Gr+ugIjoJhEbSUjYK3 cjQGq1enxYheaVhzocUZlbTxIPenyv4612q2SEdMPD3KuwomWKmgfPC1XZITTHsqz3LTrr37as/pZ NO5lHxbDctxBn2YgGrmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyDpP-00B2QA-Dq; Tue, 29 Jun 2021 13:31:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyDCf-00At2B-UX for linux-arm-kernel@lists.infradead.org; Tue, 29 Jun 2021 12:51:04 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4383D1477; Tue, 29 Jun 2021 05:50:56 -0700 (PDT) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 4344F3F718; Tue, 29 Jun 2021 05:50:55 -0700 (PDT) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marc Zyngier , Thomas Gleixner , Lorenzo Pieralisi , Vincenzo Frascino Subject: [PATCH v3 08/13] genirq/msi: Provide default .irq_eoi() for MSI chips Date: Tue, 29 Jun 2021 13:50:05 +0100 Message-Id: <20210629125010.458872-9-valentin.schneider@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210629125010.458872-1-valentin.schneider@arm.com> References: <20210629125010.458872-1-valentin.schneider@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210629_055102_110519_59C33F52 X-CRM114-Status: GOOD ( 11.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently only platform-MSI irqchips get a default .irq_eoi() when MSI_FLAG_USE_DEF_CHIP_OPS is set. There's no reason PCI-MSI irqchips couldn't benefit from this too, so let all MSI irqchips benefit from this default. Signed-off-by: Valentin Schneider --- drivers/base/platform-msi.c | 2 -- kernel/irq/msi.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index 0b72b134a304..659881da0593 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -101,8 +101,6 @@ static void platform_msi_update_chip_ops(struct msi_domain_info *info) chip->irq_mask = irq_chip_mask_parent; if (!chip->irq_unmask) chip->irq_unmask = irq_chip_unmask_parent; - if (!chip->irq_eoi) - chip->irq_eoi = irq_chip_eoi_parent; if (!chip->irq_set_affinity) chip->irq_set_affinity = msi_domain_set_affinity; if (!chip->irq_write_msi_msg) diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index c41965e348b5..c97590945e99 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -274,6 +274,8 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info) BUG_ON(!chip || !chip->irq_mask || !chip->irq_unmask); if (!chip->irq_set_affinity) chip->irq_set_affinity = msi_domain_set_affinity; + if (!chip->irq_eoi) + chip->irq_eoi = irq_chip_eoi_parent; } /**