From patchwork Mon Aug 29 09:44:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 12957604 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 A14FEECAAD4 for ; Mon, 29 Aug 2022 09:46:00 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E2D8B820; Mon, 29 Aug 2022 11:45:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E2D8B820 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1661766358; bh=N8vs6WN+WlhPhE1pqP0GrSk0Z4Q593JRf4W9viSCHAw=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=dx6SGrWypN4XidVJUvY4i01rpViN0LY21Zk6ZIIiHdutTL1qKnQoBZsp3qAOS/hUc 63LqyJ/jlNXSbHaevuWyzS5hhYwrLlhrsHbR2YrwIJzr1wniNcHyxBbbZAdlIfAHAI v49F06WLB32986l29fMoqZDffFTpHUMnGz3tKliA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 7EEC8F801F7; Mon, 29 Aug 2022 11:45:07 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 32D86F8012A; Mon, 29 Aug 2022 11:45:06 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 75240F8012A for ; Mon, 29 Aug 2022 11:45:02 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 75240F8012A Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="Iodnet+Q" Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27T5g85k004126; Mon, 29 Aug 2022 04:45:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=0QrEnrGyT0A123XlPnuSeRTt5nZfbiGJ6EqrLxHEoHY=; b=Iodnet+QDKFo+xsv7jt3dabVbWQtBNdu+bi83ecNw8FLRvb1k2IEpxa+WHGWfcRzoCS+ JSywybQFMpG+W6rBR1coRC17jI6f5lakskB3JS/ef7y37eynK2UTExwK/PPU/m1mglFw MpbE1Ia0x3DVmt/g4K4scDpPZFmo4olkohAuBURA5ufalpMUc4JolMTRtRbyJ15McKed R0sEiY6QMelYRI1maXW4M4HcYZnDEFMr9jZ584M6pIN44A8w8yp8Mx7iDyBMb/nBl05u qtYou8rG5nxd6C0d253ocPXWEbf0klmZFNTn5MKCqSvWPLrpUch/b42ZgP/tnP6/2sru mQ== Received: from ediex02.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3j7fpp9v2f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 04:45:00 -0500 Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.12; Mon, 29 Aug 2022 04:44:58 -0500 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1118.12 via Frontend Transport; Mon, 29 Aug 2022 04:44:58 -0500 Received: from edi-sw-dsktp-006.ad.cirrus.com (edi-sw-dsktp-006.ad.cirrus.com [198.90.251.95]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id CF6D67C; Mon, 29 Aug 2022 09:44:58 +0000 (UTC) From: Richard Fitzgerald To: , , , Subject: [PATCH 0/1] soundwire: bus: Fix for missing UNATTACH when re-enumerating Date: Mon, 29 Aug 2022 10:44:57 +0100 Message-ID: <20220829094458.1169504-1-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-Proofpoint-GUID: xPM0AhWVeq-oAxelvi8BAYNz_uA8Hj91 X-Proofpoint-ORIG-GUID: xPM0AhWVeq-oAxelvi8BAYNz_uA8Hj91 X-Proofpoint-Spam-Reason: safe Cc: patches@opensource.cirrus.com, alsa-devel@alsa-project.org, Richard Fitzgerald , linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This is an alternative fix for the race where a device that is reset can be found on #0 and its ID reprogrammed before the bus code has handled a PING showing it unattached. The other possible fix is here: https://lore.kernel.org/all/20220825122241.273090-4-rf@opensource.cirrus.com/ Richard Fitzgerald (1): soundwire: bus: Don't re-enumerate before status is UNATTACHED drivers/soundwire/bus.c | 7 +++++++ 1 file changed, 7 insertions(+)