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 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 3F575C54EAA for ; Thu, 26 Jan 2023 09:23:29 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id DF3B786E; Thu, 26 Jan 2023 10:22:36 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DF3B786E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1674725006; bh=QZRD9g35F/NDRqYmL+T9yJOxG2xvHNVanQSxoCD9XHk=; h=Date:To:References:From:Subject:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=F1gbv9TClAW8K8wHntvYQVGIrbTCFsBtTS+7I2u1B+TnV2uv72USxfyrFljROXrPf NAPvkQrWpW6T/NsYIYdoxdNdk4ZOksXmMbEO86HD7wx8MrM0ykzAVr84iMEU59Lvjv tlWFc2pwbacgf5SwUzpyhVG+/Eb9+AzlGfb0hJSk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4B4B2F8027D; Thu, 26 Jan 2023 10:22:36 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 753F3F802DF; Thu, 26 Jan 2023 10:22:35 +0100 (CET) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 1A180F8025D for ; Thu, 26 Jan 2023 10:22:31 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 1A180F8025D Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=bFYr37jt DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674724953; x=1706260953; h=message-id:date:mime-version:to:cc:references:from: subject:in-reply-to:content-transfer-encoding; bh=QZRD9g35F/NDRqYmL+T9yJOxG2xvHNVanQSxoCD9XHk=; b=bFYr37jtnjC/IGaU4+1laLGjhB48AgElPGAk0bzIVnzrChrHyJnXpdyP kCuZq+zrXpMbUTTXslQ4lSHbicBr0OTpFrbINgr5yHM3C/xbag+xKL7IA Wi9E39kMOF9nMkg0M39sUlyYoa4/RwarXEsKnYvq65AFHLGeyYVNsKZ1Z x0hCzwQQxEeBYLiw+Ii7Rd+0JktDMTnihE8fBB7Jbs2Yo11cUA4EDMgQ8 fzbli340r5JsPVXmiLeebUHsZIJFOj9fnS6w//eLLMaoxaX6ZjXblj4dO QcffTPwrDBrFHhwYD9QXZpzeffKPrlrn37hYqozSKT13gzvAKnio6hQjo g==; X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="413000676" X-IronPort-AV: E=Sophos;i="5.97,248,1669104000"; d="scan'208";a="413000676" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2023 01:22:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10601"; a="693274407" X-IronPort-AV: E=Sophos;i="5.97,248,1669104000"; d="scan'208";a="693274407" Received: from mattu-haswell.fi.intel.com (HELO [10.237.72.199]) ([10.237.72.199]) by orsmga008.jf.intel.com with ESMTP; 26 Jan 2023 01:22:21 -0800 Message-ID: <1e889754-6492-4c53-27f0-796002d5680c@linux.intel.com> Date: Thu, 26 Jan 2023 11:23:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.4.2 Content-Language: en-US To: Wesley Cheng , srinivas.kandagatla@linaro.org, mathias.nyman@intel.com, perex@perex.cz, lgirdwood@gmail.com, andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org, Thinh.Nguyen@synopsys.com, broonie@kernel.org, bgoswami@quicinc.com, tiwai@suse.com, robh+dt@kernel.org, agross@kernel.org References: <20230126031424.14582-1-quic_wcheng@quicinc.com> From: Mathias Nyman Subject: Re: [RFC PATCH v2 00/22] Introduce QC USB SND audio offloading support In-Reply-To: <20230126031424.14582-1-quic_wcheng@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 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: , Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, quic_jackp@quicinc.com, quic_plai@quicinc.com Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 26.1.2023 5.14, Wesley Cheng wrote: > Changes in v2: > > XHCI: > - Replaced XHCI and HCD changes with Mathias' XHCI interrupter changes > in his tree: > https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git/log/?h=feature_interrupters > I'll submit the first three patches from that branch myself to usb-next, might modify them slightly. Just need to make sure they don't cause regression. Those are changes I want done anyway. > Adjustments made to Mathias' changes: > - Created xhci-intr.h to export/expose interrupter APIs versus exposing xhci.h. > Moved dependent structures to this file as well. (so clients can parse out > information from "struct xhci_interrupter") > - Added some basic locking when requesting interrupters. > - Fixed up some sanity checks. > - Removed clearing of the ERSTBA during freeing of the interrupter. (pending > issue where SMMU fault occurs if DMA addr returned is 64b - TODO) Was this solvable by first clearing high 32 bits and then low 32 bits? Thanks Mathias