From patchwork Wed Apr 24 14:36:31 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Pargmann X-Patchwork-Id: 2485091 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id CF01D3FD85 for ; Wed, 24 Apr 2013 15:28:28 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UV0s5-000463-Gp; Wed, 24 Apr 2013 14:40:36 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UV0qt-0002bP-Pg; Wed, 24 Apr 2013 14:39:19 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UV0pf-0002VO-4O for linux-arm-kernel@lists.infradead.org; Wed, 24 Apr 2013 14:38:04 +0000 Received: from dude.hi.pengutronix.de ([2001:6f8:1178:2:21e:67ff:fe11:9c5c]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1UV0pB-00074u-DP; Wed, 24 Apr 2013 16:37:33 +0200 Received: from mpa by dude.hi.pengutronix.de with local (Exim 4.80) (envelope-from ) id 1UV0p8-0007pg-QE; Wed, 24 Apr 2013 16:37:30 +0200 From: Markus Pargmann To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 02/10] ASoC: imx-pcm-dma: DT support Date: Wed, 24 Apr 2013 16:36:31 +0200 Message-Id: <1366814199-14827-3-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 1.8.2.rc2 In-Reply-To: <1366814199-14827-1-git-send-email-mpa@pengutronix.de> References: <1366814199-14827-1-git-send-email-mpa@pengutronix.de> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:21e:67ff:fe11:9c5c X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130424_103803_480678_DF652A45 X-CRM114-Status: GOOD ( 14.26 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Fabio Estevam , alsa-devel@alsa-project.org, Lars-Peter Clausen , devicetree-discuss@lists.ozlabs.org, Mark Brown , Timur Tabi , Liam Girdwood , Grant Likely , Sascha Hauer , Markus Pargmann , Shawn Guo X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds the possibility to pass a of_node as platform_data which is used by generic-pcm-dma to request a DMA slave channel. Signed-off-by: Markus Pargmann --- Notes: Changes in v5: - Use dev.parent pointer to get the of_node. sound/soc/fsl/imx-pcm-dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index c246fb5..f9577e1 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -62,9 +62,11 @@ static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = { int imx_pcm_dma_init(struct platform_device *pdev) { + if (pdev->dev.parent) + pdev->dev.of_node = pdev->dev.parent->of_node; + return snd_dmaengine_pcm_register(&pdev->dev, &imx_dmaengine_pcm_config, SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | - SND_DMAENGINE_PCM_FLAG_NO_DT | SND_DMAENGINE_PCM_FLAG_COMPAT); }