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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB9D2C4332F for ; Wed, 24 Nov 2021 16:32:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242192AbhKXQgD (ORCPT ); Wed, 24 Nov 2021 11:36:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233433AbhKXQgD (ORCPT ); Wed, 24 Nov 2021 11:36:03 -0500 Received: from mail-lj1-x22d.google.com (mail-lj1-x22d.google.com [IPv6:2a00:1450:4864:20::22d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6915C061574; Wed, 24 Nov 2021 08:32:52 -0800 (PST) Received: by mail-lj1-x22d.google.com with SMTP id z8so6639219ljz.9; Wed, 24 Nov 2021 08:32:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=hWdL3+sC7Y3WgMzxQgq49FXg8O3lrY2U4JGqRbZI6tg=; b=gujWqpLYZ0ok4buE3cVMLWfC5uFpJyuXa42ARhUlnN4O23+qlO+EmYtRvyX/8c+8Cd T5a1dyyYrYP3SiqkVxU+nFVwtXCc1qsYP3l3IZjhohQlobFIZT7KVzpd/uD0tmpe0CvO aeCfiRXxliyhrHPinovV+UTXQVe/RaMFEMYjCu0hyn3k5BUgAGEZ29zDCOQVjlqJOFhL TZBbWI9gTerbMrFWXfehbYHCPQb+K2zUVIW0lpbY8uZKY04odxTxEAVckbrorzsLNVGk sCA4pYJSO2cZ60LDY064M6AwjoFewiMlf4tsmpailAug/kWALkfi3+l95LwEP1w10SMT n/NQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=hWdL3+sC7Y3WgMzxQgq49FXg8O3lrY2U4JGqRbZI6tg=; b=fipxd/uz398YZdkpw4O+SS+yHayRaMRrULaIWRHtxQwOSBRL1BF4m6a4Q8cbC9bYZ1 RFQrAJzAiZR5x9GifNrlQq0whLDtnKoIG6ztNFXp3IQNGR4pX1s9vb9PkZZo3PaiWYxu rqD7d9IvgMWURXMEH81xcClIn04tbjpTMzLaqIKp0vP9W7gN6Y6yRQef9ropRTSW0YFP 1/8GtVs+BiaF6AJCrRzpVUq27gxv16Kadf9JJOeZCK5QMbvwUpJhR/8bIn8OF4q79X8/ luQbF7RBnZcKg9Za+cScUhLoqnD1HLzrZ8AZFJQO3WC6440t0QDWJvkm8c0vUWRkjAhl G0Zg== X-Gm-Message-State: AOAM532bE9Gd3EdlbEqf+xZArj4r/9RRulwp1IgwY2x7pjOB3VObWBHb uPW2/SnM2Ptz5q/RQBr09JGsKzRdEmU= X-Google-Smtp-Source: ABdhPJzQ2dc3wLXSWKQBFY+mHq5x3ddsPjsCSkkhRryLlNJ0eKxp2Ar8mZbKuizWCxiSq5j6WRb8tw== X-Received: by 2002:a2e:2a43:: with SMTP id q64mr17358890ljq.102.1637771570838; Wed, 24 Nov 2021 08:32:50 -0800 (PST) Received: from [192.168.2.145] (94-29-48-99.dynamic.spd-mgts.ru. [94.29.48.99]) by smtp.googlemail.com with ESMTPSA id m14sm31645ljg.2.2021.11.24.08.32.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Nov 2021 08:32:50 -0800 (PST) Subject: Re: [PATCH v2 01/11] ASoC: tegra20-spdif: stop setting slave_id To: Arnd Bergmann , Vinod Koul Cc: Arnd Bergmann , Andy Gross , Andy Shevchenko , Baolin Wang , Bjorn Andersson , Chunyan Zhang , Greg Kroah-Hartman , Hyun Kwon , Jaroslav Kysela , Jon Hunter , Lars-Peter Clausen , Laurent Pinchart , Laxman Dewangan , Manivannan Sadhasivam , Mark Brown , Michal Simek , Nicolas Saenz Julienne , Orson Zhai , Robert Jarzmik , Scott Branden , Takashi Iwai , Thierry Reding , alsa-devel@alsa-project.org, bcm-kernel-feedback-list@broadcom.com, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-staging@lists.linux.dev, linux-tegra@vger.kernel.org References: <20211122222203.4103644-1-arnd@kernel.org> <20211122222203.4103644-2-arnd@kernel.org> From: Dmitry Osipenko Message-ID: <1dbe0c9f-e209-49e1-f05c-765d9f9b91eb@gmail.com> Date: Wed, 24 Nov 2021 19:32:48 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211122222203.4103644-2-arnd@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 23.11.2021 01:21, Arnd Bergmann пишет: > From: Arnd Bergmann > > The DMA resource is never set up anywhere, and passing this as slave_id > has not been the proper procedure in a long time. > > As a preparation for removing all slave_id references from the ALSA code, > remove this one. > > According to Dmitry Osipenko, this driver has never been used and > the mechanism for configuring DMA would not work as it is implemented, > so this part will get rewritten when the driver gets put into use > again in the future. > > Signed-off-by: Arnd Bergmann > --- > sound/soc/tegra/tegra20_spdif.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c > index 9fdc82d58db3..1c3385da6f82 100644 > --- a/sound/soc/tegra/tegra20_spdif.c > +++ b/sound/soc/tegra/tegra20_spdif.c > @@ -284,7 +284,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) > spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT; > spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; > spdif->playback_dma_data.maxburst = 4; > - spdif->playback_dma_data.slave_id = dmareq->start; > > pm_runtime_enable(&pdev->dev); > > Thanks, Arnd! The commit message is correct, however you could remove even more code here. But there is no need to make a v3 just because this patch because I already prepared patchset that revives this S/PDIF driver and enables HDMI audio on Tegra20. I'll take care of cleaning up the whole code of this driver. diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index 7751575cd6d6..1c3385da6f82 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -251,7 +251,7 @@ static const struct regmap_config tegra20_spdif_regmap_config = { static int tegra20_spdif_platform_probe(struct platform_device *pdev) { struct tegra20_spdif *spdif; - struct resource *mem, *dmareq; + struct resource *mem; void __iomem *regs; int ret; @@ -273,12 +273,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) if (IS_ERR(regs)) return PTR_ERR(regs); - dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!dmareq) { - dev_err(&pdev->dev, "No DMA resource\n"); - return -ENODEV; - } - spdif->regmap = devm_regmap_init_mmio(&pdev->dev, regs, &tegra20_spdif_regmap_config); if (IS_ERR(spdif->regmap)) { @@ -290,7 +284,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT; spdif->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; spdif->playback_dma_data.maxburst = 4; - spdif->playback_dma_data.slave_id = dmareq->start; pm_runtime_enable(&pdev->dev);