From patchwork Tue Jan 17 14:02:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mylene JOSSERAND X-Patchwork-Id: 9521125 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E8D4A60244 for ; Tue, 17 Jan 2017 14:08:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D162D28569 for ; Tue, 17 Jan 2017 14:08:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C445328562; Tue, 17 Jan 2017 14:08:59 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 73BED28562 for ; Tue, 17 Jan 2017 14:08:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751186AbdAQOIq (ORCPT ); Tue, 17 Jan 2017 09:08:46 -0500 Received: from mail.free-electrons.com ([62.4.15.54]:54234 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750849AbdAQOEm (ORCPT ); Tue, 17 Jan 2017 09:04:42 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 5964C20B7B; Tue, 17 Jan 2017 15:04:43 +0100 (CET) Received: from dell-desktop.home (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id E77CF20708; Tue, 17 Jan 2017 15:04:42 +0100 (CET) From: =?UTF-8?q?Myl=C3=A8ne=20Josserand?= To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, maxime.ripard@free-electrons.com, wens@csie.org, mturquette@baylibre.com, sboyd@codeaurora.org, mark.rutland@arm.com, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, thomas.petazzoni@free-electrons.com, mylene.josserand@free-electrons.com, alexandre.belloni@free-electrons.com Subject: [PATCH v2 01/10] ASoC: sun4i-i2s: Increase DMA max burst to 8 Date: Tue, 17 Jan 2017 15:02:21 +0100 Message-Id: <20170117140230.23142-2-mylene.josserand@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170117140230.23142-1-mylene.josserand@free-electrons.com> References: <20170117140230.23142-1-mylene.josserand@free-electrons.com> MIME-Version: 1.0 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As done previously for sun4i-codec, the DMA maxburst of 4 is not supported by every SoCs so the DMA controller engine returns "unsupported value". As a maxburst of 8 is supported by all variants, this patch increases it to 8. For more details, see commit from Chen-Yu Tsai: commit 730e2dd0cbc7 ("ASoC: sun4i-codec: Increase DMA max burst to 8") Signed-off-by: Mylène Josserand Acked-by: Maxime Ripard --- sound/soc/sunxi/sun4i-i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index f24d19526603..4237323ef594 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -694,10 +694,10 @@ static int sun4i_i2s_probe(struct platform_device *pdev) } i2s->playback_dma_data.addr = res->start + SUN4I_I2S_FIFO_TX_REG; - i2s->playback_dma_data.maxburst = 4; + i2s->playback_dma_data.maxburst = 8; i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG; - i2s->capture_dma_data.maxburst = 4; + i2s->capture_dma_data.maxburst = 8; pm_runtime_enable(&pdev->dev); if (!pm_runtime_enabled(&pdev->dev)) {