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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 23BBAC433DF for ; Fri, 22 May 2020 13:12:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EE20220738 for ; Fri, 22 May 2020 13:12:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Tml42JfU"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="f5GKNdFg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE20220738 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jEVO0auqAEK56W3uy2uMjoH+PXmKnbBXn9Gx2+FT8fY=; b=Tml42JfUaCvQVR6k31bZpinaJ uv+SeM3LCGERKAdkhSWNrHaut8FVq8vL6v+hIcyJxjqsgOq7KHOKus06nmj7OQ9T3mZma/w+Fe3Bl uUgI+EuQJSizK93/yH3H6WUugbLioN5G2x5ZpCUWqjybjaqirkRGXuAhlhuQOlMDSfhGGJYbiNDig OSidVSskJgQk8YyvB3w/gYB/oAoDB8mey0E+PXczdQRgPNpOyrFAsxWNHU+D+nYz7+isdPFmeQeB3 HtfhgdcOU7XXtR8N43NSKawWEX1wDJdu8gVP8Qv4Zz0vw49k9y6LjNS59wZM4zVo+FITqtuZFoX8/ zHlOkrnNA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jc7Tl-0003sk-Li; Fri, 22 May 2020 13:12:49 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jc7Ti-0003s1-4x for linux-arm-kernel@lists.infradead.org; Fri, 22 May 2020 13:12:48 +0000 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (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 B4C7E206B6; Fri, 22 May 2020 13:12:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590153165; bh=eJKC82/JdUZHlra7wt2AcwBxZx0GOUHbM5qLt27y8DM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=f5GKNdFgRnnBIO23cQpX5VzjxVD3vjqLDm5zKWQYH9PGzsWz88uDSXU4smxDdAEXw DuNIoPjen0K7HCQd+h/fexnZt0GCdHeqg99S0u9/zoItXB2B9XKxiQ9/4fuSQ5PaaE bXVA5rstzRikNPoIOt1rnpDxZXLvYgs5dXdkH0XQ= Date: Fri, 22 May 2020 14:12:42 +0100 From: Mark Brown To: Shengjiu Wang Subject: Re: [PATCH] ASoC: fsl: imx-pcm-dma: Don't request dma channel in probe Message-ID: <20200522131242.GI5801@sirena.org.uk> References: <1589881301-4143-1-git-send-email-shengjiu.wang@nxp.com> <0866cd8cdb0c22f0b2a6814c4dafa29202aad5f3.camel@pengutronix.de> <53258cd99caaf1199036737f8fad6cc097939567.camel@pengutronix.de> <20200520123850.GE4823@sirena.org.uk> MIME-Version: 1.0 In-Reply-To: X-Cookie: C for yourself. User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200522_061246_205645_7E0EEFDD X-CRM114-Status: GOOD ( 11.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sumit Semwal , linaro-mm-sig@lists.linaro.org, Linux-ALSA , linuxppc-dev@lists.ozlabs.org, linux-kernel , Timur Tabi , Xiubo Li , shawnguo@kernel.org, Shengjiu Wang , Takashi Iwai , Liam Girdwood , dri-devel@lists.freedesktop.org, perex@perex.cz, Nicolin Chen , linux-imx@nxp.com, kernel@pengutronix.de, linux-media@vger.kernel.org, Fabio Estevam , s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org, Lucas Stach Content-Type: multipart/mixed; boundary="===============1100341279628680602==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1100341279628680602== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3U8TY7m7wOx7RL1F" Content-Disposition: inline --3U8TY7m7wOx7RL1F Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, May 21, 2020 at 07:30:04PM +0800, Shengjiu Wang wrote: > On Wed, May 20, 2020 at 8:38 PM Mark Brown wrote: > > Other drivers having problems means those drivers should be fixed, not > > that we should copy the problems. In the case of the PXA driver that's > > very old code which predates deferred probe by I'd guess a decade. > Thanks. > For the FE-BE case, do you have any suggestion for how fix it? > With DMA1->ASRC->DMA2->ESAI case, the DMA1->ASRC->DMA2 > is in FE, ESAI is in BE. When ESAI drvier probe, DMA3 channel is > created with ESAI's "dma:tx" (DMA3 channel > is not used in this FE-BE case). When FE-BE startup, DMA2 > channel is created, it needs the ESAI's "dma:tx", so the warning > comes out. Not really TBH, this seems like another one of those csaes where DPCM is creaking at the seams :/ --3U8TY7m7wOx7RL1F Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl7Hz8kACgkQJNaLcl1U h9DJFQf+KOiSW3M/3ZDsfcMnTGh5HgNgjzZUpEU5f1ZyNw/EXh1ViAvYDpkQp2Er kpo1Tgzodk1pkqsn1sWa5yWP+0c6LboBqkCq+02NHr3Kjyw3dQ6uV4ObJH35s/d1 39jbo9WIGQVqo8IOFdGhjpP4q72Vwxz1ki5asUYV3e1IO8aEowWvvbpnSIRlyuvH rXKaqX6fYMsrMzXOhUx7afrt0n6HR/eBg/XkyIsnhXvvPpmxEAySIyKPOGGrftBM rNmOV/XPKbLQXFzjWbK+3ChCcp6ETGTyUyHP25Dm+qXnIyvI6D1ssajhiZHN02RB EdzpF/hkR+YLYUFNuN3fRvDOjQZT1A== =fSbG -----END PGP SIGNATURE----- --3U8TY7m7wOx7RL1F-- --===============1100341279628680602== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1100341279628680602==--