From patchwork Thu Sep 12 03:38:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13801348 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7A8C7EE57FD for ; Thu, 12 Sep 2024 03:31:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version: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:In-Reply-To:References:List-Owner; bh=yX3zeRzYnltmaB5Lm6/qZRGa4sVCfRs7XAkNF9uUOW4=; b=2r35hx8jHgqW8iJVNrBNcdapsA CEKfx7X7zv5mSTUCdlgP+lQ1L7xJGcgpFbp8bA4Q2DjJKWDj9okUUxvgLtJffASjRN1mqwRuUU/2/ Ycyarbj3vLgO4aiQ4zKdvO3/3rNYeIG3gNG1h8EcgLonQjzOhPnK1jdemYFMvdxp3k6hEVeBNWAmG hoGoRflYRfZz+/wknZyAdDZJA94+MF/IRvKDYHdbUgUu3nGdcbV/WfWv+Q6rvAb1G3DATj8pet43z AAPCHnSLSoj6YnmrrKUJ4e3kKMI4XPZ1g/l2crbuxptYhmucNWN9v8NaMaN4rrIDclX/yKzo2r2Eo 2bHS2vFg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1soaYd-0000000Bkm5-24LW; Thu, 12 Sep 2024 03:31:47 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1soaWa-0000000BkP8-03wy for linux-arm-kernel@lists.infradead.org; Thu, 12 Sep 2024 03:29:42 +0000 Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4X42wd3zRhz2CpM7; Thu, 12 Sep 2024 11:29:05 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id C2E7A140360; Thu, 12 Sep 2024 11:29:35 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 12 Sep 2024 11:29:35 +0800 From: Jinjie Ruan To: , , , CC: Subject: [PATCH] soc: ti: knav_qmss_queue: Use IRQF_NO_AUTOEN flag in request_irq() Date: Thu, 12 Sep 2024 11:38:44 +0800 Message-ID: <20240912033844.3014051-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemh500013.china.huawei.com (7.202.181.146) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240911_202940_931302_9827A3C2 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. 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 disable_irq() after request_irq() still has a time gap in which interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will disable IRQ auto-enable when request IRQ. Fixes: 41f93af900a2 ("soc: ti: add Keystone Navigator QMSS driver") Signed-off-by: Jinjie Ruan --- drivers/soc/ti/knav_qmss_queue.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index f2055a76f84c..9c8d2f13b947 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -119,11 +119,10 @@ static int knav_queue_setup_irq(struct knav_range_info *range, if (range->flags & RANGE_HAS_IRQ) { irq = range->irqs[queue].irq; - ret = request_irq(irq, knav_queue_int_handler, 0, - inst->irq_name, inst); + ret = request_irq(irq, knav_queue_int_handler, IRQF_NO_AUTOEN, + inst->irq_name, inst); if (ret) return ret; - disable_irq(irq); if (range->irqs[queue].cpu_mask) { ret = irq_set_affinity_hint(irq, range->irqs[queue].cpu_mask); if (ret) {