From patchwork Thu Aug 28 07:01:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 4795141 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2311DC033A for ; Thu, 28 Aug 2014 07:39:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 38FEA20179 for ; Thu, 28 Aug 2014 07:39:07 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3696A2015A for ; Thu, 28 Aug 2014 07:39:06 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 56E11CB6; Thu, 28 Aug 2014 07:27:07 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 42124CB6 for ; Thu, 28 Aug 2014 07:27:05 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 8F6C01F88A for ; Thu, 28 Aug 2014 07:27:04 +0000 (UTC) Received: from ayumi.isobedori.kobe.vergenet.net (p4222-ipbfp1605kobeminato.hyogo.ocn.ne.jp [114.154.95.222]) by kirsty.vergenet.net (Postfix) with ESMTP id 2474626737E; Thu, 28 Aug 2014 17:08:44 +1000 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id A603BEDE8E3; Thu, 28 Aug 2014 16:08:42 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Thu, 28 Aug 2014 16:01:32 +0900 Message-Id: <1409209620-24487-567-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> References: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Cc: Magnus Damm Subject: [LTSI-dev] [PATCH LTSI-3.14 566/894] ASoC: rsnd: fixup rsnd_gen_dma_addr() for Gen1 X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kuninori Morimoto ad32d0c7b0e993433df152ae747652647eb65a27 (ASoC: rsnd: add rsnd_gen_dma_addr() for DMAC addr) added rsnd_gen_dma_addr() to calculate DMA addr, but, it is necessary only for Gen2. This patch ignores Gen1 case. Kernel will be panic without this patch. Special thanks to Simon Reported-by: Simon Horman Signed-off-by: Kuninori Morimoto Tested-by: Simon Horman Signed-off-by: Mark Brown (cherry picked from commit 64eae986fc1e3a281b00f04b7c9c00b145ec8a57) Signed-off-by: Simon Horman --- sound/soc/sh/rcar/gen.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 1dd2b7d..0280a11 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -184,7 +184,7 @@ static int rsnd_gen_regmap_init(struct rsnd_priv *priv, #define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i)) #define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i)) -void rsnd_gen_dma_addr(struct rsnd_priv *priv, +static void rsnd_gen2_dma_addr(struct rsnd_priv *priv, struct rsnd_dma *dma, struct dma_slave_config *cfg, int is_play, int slave_id) @@ -226,17 +226,6 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv, } }; - cfg->slave_id = slave_id; - cfg->src_addr = 0; - cfg->dst_addr = 0; - cfg->direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; - - /* - * gen1 uses default DMA addr - */ - if (rsnd_is_gen1(priv)) - return; - /* it shouldn't happen */ if (use_dvc & !use_src) { dev_err(dev, "DVC is selected without SRC\n"); @@ -250,6 +239,26 @@ void rsnd_gen_dma_addr(struct rsnd_priv *priv, id, cfg->src_addr, cfg->dst_addr); } +void rsnd_gen_dma_addr(struct rsnd_priv *priv, + struct rsnd_dma *dma, + struct dma_slave_config *cfg, + int is_play, int slave_id) +{ + cfg->slave_id = slave_id; + cfg->src_addr = 0; + cfg->dst_addr = 0; + cfg->direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; + + /* + * gen1 uses default DMA addr + */ + if (rsnd_is_gen1(priv)) + return; + + rsnd_gen2_dma_addr(priv, dma, cfg, is_play, slave_id); +} + + /* * Gen2 */