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=-0.8 required=3.0 tests=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 EF044C83000 for ; Tue, 28 Apr 2020 06:38:40 +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 7117A206A5 for ; Tue, 28 Apr 2020 06:38:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="RZEizgAd"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="HiW/F/Nk" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7117A206A5 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 B81AF167E; Tue, 28 Apr 2020 08:37:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz B81AF167E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1588055918; bh=J5sc6sunmD92913nrTHNqH6Af9xPttC4VRECMigtMA8=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=RZEizgAdg/Hx+cBL0eVmGtQHkUdsToJplMAQqSqq09CTEwj/f5+I4bHiGiol4YLAW 1QnBzTlzikceoA/6HF0/QZzzv6fx3/pcmex07ACNg25cCa5BQ2/NZBwThSw3RKbJVJ NVUHZUFL3+Eoy7+m0IQRYVC4fmcUBmNPPkwtZwdc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 330B4F80136; Tue, 28 Apr 2020 08:37:48 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E61E0F801DB; Tue, 28 Apr 2020 08:37:45 +0200 (CEST) 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 37EB3F800B8 for ; Tue, 28 Apr 2020 08:37:41 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 37EB3F800B8 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="HiW/F/Nk" Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 3216C2051A; Tue, 28 Apr 2020 06:37:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588055858; bh=J5sc6sunmD92913nrTHNqH6Af9xPttC4VRECMigtMA8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=HiW/F/Nk2hmias7r+BSEcyWFKZ3nfW6y2j80kJ4wfEb2N03HnmupJ5uFjM/s92/g8 7jBVP4anXU306ARFglFItaTs/GkIhm0rttpYOmauNTvAoyyVw+ig0kxoRB3XczE20B gP2kLOa8V21kGuadBRQWhGxl+lZyC8QlTmV5hY1U= Date: Tue, 28 Apr 2020 08:37:36 +0200 From: Greg KH To: Vinod Koul Subject: Re: [RFC 1/5] soundwire: bus_type: add sdw_master_device support Message-ID: <20200428063736.GB990431@kroah.com> References: <20200416205524.2043-1-yung-chuan.liao@linux.intel.com> <20200416205524.2043-2-yung-chuan.liao@linux.intel.com> <20200420072631.GW72691@vkoul-mobl> <20200423142451.GA4181720@kroah.com> <20200428043144.GU56386@vkoul-mobl.Dlink> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200428043144.GU56386@vkoul-mobl.Dlink> Cc: pierre-louis.bossart@linux.intel.com, alsa-devel@alsa-project.org, tiwai@suse.de, mengdong.lin@intel.com, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, hui.wang@canonical.com, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, sanyog.r.kale@intel.com, Bard Liao , rander.wang@linux.intel.com 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" On Tue, Apr 28, 2020 at 10:01:44AM +0530, Vinod Koul wrote: > > > That is not true for everyone, it is only true for Intel, pls call that > > > out as well... > > > > Why is it not true for everyone? How else do you get the pm stuff back > > to your hardware? > > The rest of the world would do using the real controller device. For > example the soundwire controller on Qualcomm devices is enumerated as a > DT device and is using these... > > If Intel had a standalone controller or enumerated as individual > functions, it would have been a PCI device and would manage as such If it is not a standalone controller, what exactly is it? I thought it was an acpi device, am I mistaken? What is the device that the proper soundwire controller driver binds to on an Intel-based system? thanks, greg k-h