From patchwork Thu Aug 9 15:47:32 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 1301781 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 2897E3FD8C for ; Thu, 9 Aug 2012 15:53:48 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SzUzg-0002h7-1w; Thu, 09 Aug 2012 15:49:52 +0000 Received: from mail-wi0-f171.google.com ([209.85.212.171]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SzUyC-0002DQ-Rh for linux-arm-kernel@lists.infradead.org; Thu, 09 Aug 2012 15:48:23 +0000 Received: by wibhq4 with SMTP id hq4so375507wib.0 for ; Thu, 09 Aug 2012 08:48:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=9HuZW2uNwlnM5sU4JbTGmsftuTyjTXlqcX3MvW4iEHk=; b=PZiHGqOdxqYqawbBfkMp8RPOHZhFSPvWfFIRW8et8UoU6Wjdi3LoNtLNQigQ7yDSzn /UqUCzkz14BAD8M6ypV+zvZk3aHZod+0oQaB62j8fM0GFO+tYCEL4CKtBYC0pmzplUh+ 8ocIsXSr4B0+jAzH5tvi+R5Z0hJSAk2LJq9xw8O2B6vbjz5i7G01FRCKfKJAKJ5iWC+H SwzvRpD6anoJPhkXI1uDCkJexvxPZVD7nlgbK/vxYMasBpJrdjayex8jCEOIHhHFLjX0 6fibhV2VoUDbiF06PYrGtQo36im+hEO+CDo3WpthCoWCacIf94kBQYa9kH10hefB/Gvv ir2A== Received: by 10.180.78.5 with SMTP id x5mr3933065wiw.13.1344527299044; Thu, 09 Aug 2012 08:48:19 -0700 (PDT) Received: from localhost.localdomain (cpc1-aztw13-0-0-cust473.18-1.cable.virginmedia.com. [77.102.241.218]) by mx.google.com with ESMTPS id q4sm2278954wix.9.2012.08.09.08.48.17 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 09 Aug 2012 08:48:18 -0700 (PDT) From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 06/22] ASoC: Ux500: Enable ux500 MSP driver for Device Tree Date: Thu, 9 Aug 2012 16:47:32 +0100 Message-Id: <1344527268-5964-7-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344527268-5964-1-git-send-email-lee.jones@linaro.org> References: <1344527268-5964-1-git-send-email-lee.jones@linaro.org> X-Gm-Message-State: ALoCoQkTVGo0hn2L8sb1hrqY1iKCtK3dGZWhiZKBIaA+iAQW6Mlf0W1qKCuCr2+fUl6X27WvPrB8 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.212.171 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: alsa-devel@alsa-project.org, linus.walleij@stericsson.com, arnd@arndb.de, broonie@opensource.wolfsonmicro.com, STEricsson_nomadik_linux@list.st.com, Lee Jones X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Register both parts of the MSP driver from Device Tree so that they are probed when Device Tree is enabled. Also, as there is platform data involved, we ensure that there is allocated memory to place the configuration into and that the correct information is extracted from the DT binary. CC: alsa-devel@alsa-project.org Signed-off-by: Lee Jones Acked-by: Linus Walleij --- sound/soc/ux500/ux500_msp_dai.c | 6 ++++++ sound/soc/ux500/ux500_msp_i2s.c | 22 +++++++++++++++++++--- 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c index 772cb19..0f7dd49 100644 --- a/sound/soc/ux500/ux500_msp_dai.c +++ b/sound/soc/ux500/ux500_msp_dai.c @@ -833,10 +833,16 @@ static int __devexit ux500_msp_drv_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id ux500_msp_i2c_match[] = { + { .compatible = "stericsson,ux500-msp-i2s", }, + {}, +}; + static struct platform_driver msp_i2s_driver = { .driver = { .name = "ux500-msp-i2s", .owner = THIS_MODULE, + .of_match_table = ux500_msp_i2c_match, }, .probe = ux500_msp_drv_probe, .remove = ux500_msp_drv_remove, diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c index 2cbfc54..5e0bf8c 100644 --- a/sound/soc/ux500/ux500_msp_i2s.c +++ b/sound/soc/ux500/ux500_msp_i2s.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -692,16 +693,31 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, int ret = 0; struct resource *res = NULL; struct i2s_controller *i2s_cont; + struct device_node *np = pdev->dev.of_node; struct ux500_msp *msp; - dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__, - pdev->name, platform_data->id); - *msp_p = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp), GFP_KERNEL); msp = *msp_p; if (!msp) return -ENOMEM; + if (np) { + if (!platform_data) { + platform_data = devm_kzalloc(&pdev->dev, + sizeof(struct msp_i2s_platform_data), GFP_KERNEL); + if (!platform_data) + ret = -ENOMEM; + } + } else + if (!platform_data) + ret = -EINVAL; + + if (ret) + goto err_res; + + dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__, + pdev->name, platform_data->id); + msp->id = platform_data->id; msp->dev = &pdev->dev; msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx;