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 X-Spam-Level: X-Spam-Status: No, score=0.3 required=3.0 tests=DATE_IN_PAST_03_06,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 532C0C35242 for ; Fri, 14 Feb 2020 20:03:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C589E206D7 for ; Fri, 14 Feb 2020 20:03:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="R28P2LhD"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="BcAQT7b3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C589E206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 258D283A; Fri, 14 Feb 2020 21:02:53 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 258D283A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1581710623; bh=cokPICcsu0DktKj6FijT6i7hbl4ZQ9B0gKijjltp12A=; h=Date:From:To:References:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=R28P2LhD1A/QxmavlhLimc+IuoMYLzIKt5nlBZY2f+d9Wjwy0mikzWAzgWT9E+ZHI kFWgGjqUPqSOApVPMe5mz23i40zGqBlljwPydy+6P30xqDP7JE7CQsybsrn9wExYyk pUu1adzFJfUW9ytw5pmz6X0yOPWCBteSzSQAu3fU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8DC8AF8013E; Fri, 14 Feb 2020 21:02:52 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2A4C6F8014F; Fri, 14 Feb 2020 21:02:51 +0100 (CET) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id B6AD6F800F0 for ; Fri, 14 Feb 2020 21:02:47 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B6AD6F800F0 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="BcAQT7b3" Received: from localhost (unknown [12.246.51.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE68B22314; Fri, 14 Feb 2020 20:02:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581710564; bh=QcIJ80cSrTLbc0ijPcYyAEl69PScjRPdVxZgDXvJ9xc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BcAQT7b3UsozO8tgtKaqo0+sV/Y3pR/4in8pvPvVbfeyVmmGtiURftnAz3sPr0ADO ubEZXiZVhn4f/gAdDv5P9tSLslG6flQmBhk/2bmHUxK65O6y7mKiZjppO0tRApp+0C AK1LIajBj0wi4Mzq5Uy5O3d4BI9UqXf+PHT/T/28= Date: Fri, 14 Feb 2020 08:49:19 -0800 From: Greg KH To: Pierre-Louis Bossart Message-ID: <20200214164919.GB4016987@kroah.com> References: <20200201042011.5781-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200201042011.5781-1-pierre-louis.bossart@linux.intel.com> Cc: alsa-devel@alsa-project.org, tiwai@suse.de, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Bard liao , Rander Wang Subject: Re: [alsa-devel] [RFC PATCH 0/2] soundwire: add master_device/driver support 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Fri, Jan 31, 2020 at 10:20:09PM -0600, Pierre-Louis Bossart wrote: > The SoundWire master representation needs to evolve to take into account: > > a) a May 2019 recommendation from Greg KH to remove platform devices > > b) the need on Intel platforms to support hardware startup only once > the power rail dependencies are settled. The SoundWire master is not > an independent IP at all. > > c) the need to deal with external wakes handled by the PCI subsystem > in specific low-power modes > > In case it wasn't clear, the SoundWire subsystem is currently unusable > with v5.5 on devices hitting the shelves very soon (race conditions, > power management, suspend/resume, etc). v5.6 will only provide > interface changes and no functional improvement. We've circled on the > same concepts since September 2019, and I hope this direction is now > aligned with the suggestions from Vinod Koul and that we can target > v5.7 as the 'SoundWire just works(tm)' version. > > This series is provided as an RFC since it depends on patches already > for review. Both of these look sane to me, nice work! Reviewed-by: Greg Kroah-Hartman _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel