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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D397C433EF for ; Fri, 25 Mar 2022 02:05:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357657AbiCYCHa (ORCPT ); Thu, 24 Mar 2022 22:07:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233751AbiCYCH2 (ORCPT ); Thu, 24 Mar 2022 22:07:28 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A48BD6D3B3 for ; Thu, 24 Mar 2022 19:05:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1648173955; x=1679709955; h=date:from:to:cc:subject:message-id:mime-version; bh=VE+B5juNovbg84QJfTQJEL3Xvi7JcDEApkqDSivM+1Q=; b=kCayTrJuHGpocqiYo9tslySYBK4hU3OH8CNq9S3gI6UTi/gkevr7Hhnk I7z9i9Ss8BPdrYvO8mx98n5N4fq+8jJ4vItkLBjpUaad1Pf2ndQoMA7Jj t02j59jTRH4b95Z8pieDbA3BqSCLiL9wZN79ZiV+mYOyH5UYzO7Un3m5j A=; Received: from unknown (HELO ironmsg01-sd.qualcomm.com) ([10.53.140.141]) by alexa-out-sd-02.qualcomm.com with ESMTP; 24 Mar 2022 19:05:55 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg01-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2022 19:05:55 -0700 Received: from mingxue-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 24 Mar 2022 19:05:53 -0700 Date: Fri, 25 Mar 2022 10:05:49 +0800 From: Minghao Xue To: , , , CC: Subject: [PATCH v2 2/2] virtio_mmio: add support to set IRQ of a virtio device as wakeup source Message-ID: <20220325020549.GA17663@mingxue-gv.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to virtio_mmio wakeup flag in device trees, set its IRQ as wakeup source in virtqueue initialization. Signed-off-by: Minghao Xue --- v1 -> v2: rename property from "virtio,wakeup" to "wakeup-source" drivers/virtio/virtio_mmio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index 56128b9..6637d85 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -474,6 +474,9 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs, if (err) return err; + if (of_property_read_bool(vm_dev->pdev->dev.of_node, "wakeup-source")) + enable_irq_wake(irq); + for (i = 0; i < nvqs; ++i) { if (!names[i]) { vqs[i] = NULL; -- 2.7.4