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=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 619ABC433DF for ; Fri, 12 Jun 2020 08:01:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A94D20578 for ; Fri, 12 Jun 2020 08:01:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="R11IQyFQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726447AbgFLIBf (ORCPT ); Fri, 12 Jun 2020 04:01:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726262AbgFLIBf (ORCPT ); Fri, 12 Jun 2020 04:01:35 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED432C03E96F for ; Fri, 12 Jun 2020 01:01:34 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id 64so3928624pfv.11 for ; Fri, 12 Jun 2020 01:01:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=XY0Kd0MAkqDRfCM5CZwaoAipfMsQ34/pTBpRI/Gy2M0=; b=R11IQyFQgzW+BqKYe1vGc5m/TGV1nUF3yS0d9X2YdzzLgQvGmpqWtSlt2WHNkFGldE y9qypcAtZXJqHYlXT8ehuXtsZioZogq4k75/uIGWfO01i0Oq7V5cq1ngdX2WJaHYdxTZ TT0whjl1FkxzVmAmL7M7MI21/j0lkQPyYkKURTZqWN13e2+o8L1H5V0XsVmXX3DcaPeY YcfodIYDi6KsHmdoVNXTfdWs26XMXY0oq51KF/yYl8wb+ofQVq7NEberAedkBIhxF0p6 6PHM1G44pm/zeWT3a+0fobhfRR/+nO81qLcqGf2DfYegDmBSdldi3eFJqX9G4SX31fu7 WfgQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=XY0Kd0MAkqDRfCM5CZwaoAipfMsQ34/pTBpRI/Gy2M0=; b=DPhsjNWDTe3+46GqKaberMqo740bzK43d4NHjer6D0iawonuoTQQbs4FcKETMQb7Ej k152upG+jYmv0szyQ7zeg8YWol826afW3wqqVAH3bZzZYtSpxGzUS1Xi+x+En7PAs/XI racFR4l0Yp4Ul7TdsudnklwRA3j6DC+D0XBl5mg3QYc1UNRMv/FBREJOdnbkPe/7MGf2 p9pYWqivrlE+wxd7LF04OesK/L/zjhpC+fIIW8UyRo3WhNEiMdQRediWHmxasQhsgDVE pTUEqUefeBJm5NlEbAx0c4NBjfjeAruxnQSABbbKInpqG5be1YSP073OhSOgC96oicAo kurQ== X-Gm-Message-State: AOAM531NU35GNIXuGSoq324HTWxF/12NRLoQBd591O4k/C6H2thrKMi+ T1y7e6sOr9PWygnYfFPoqQI= X-Google-Smtp-Source: ABdhPJyfSjW4igzMKRqt4hjfUewgh1f4ezU4kuzE2PczkbgWn387+h2coH1BunsDoAXhJ9nnMiqrIA== X-Received: by 2002:a05:6a00:1592:: with SMTP id u18mr6469145pfk.26.1591948894330; Fri, 12 Jun 2020 01:01:34 -0700 (PDT) Received: from Asurada-Nvidia (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id gp4sm4590235pjb.26.2020.06.12.01.01.33 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 12 Jun 2020 01:01:34 -0700 (PDT) Date: Fri, 12 Jun 2020 01:01:25 -0700 From: Nicolin Chen To: Shengjiu Wang Cc: lars@metafoo.de, perex@perex.cz, tiwai@suse.com, lgirdwood@gmail.com, broonie@kernel.org, timur@kernel.org, Xiubo.Lee@gmail.com, festevam@gmail.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [RFC PATCH v3 2/4] ASoC: dmaengine_pcm: export soc_component_to_pcm Message-ID: <20200612080125.GB22422@Asurada-Nvidia> References: <429c6ae1f3c5b47eb893f475d531d71cdcfe34c0.1591947428.git.shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <429c6ae1f3c5b47eb893f475d531d71cdcfe34c0.1591947428.git.shengjiu.wang@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 12, 2020 at 03:37:49PM +0800, Shengjiu Wang wrote: > In DPCM case, Front-End needs to get the dma chan which has > been requested by Back-End and reuse it. > > Signed-off-by: Shengjiu Wang Reviewed-by: Nicolin Chen