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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DF461C00528 for ; Fri, 4 Aug 2023 09:46:25 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id CBC81852; Fri, 4 Aug 2023 11:45:33 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz CBC81852 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1691142383; bh=cZ4lcTHX2JCiX/bJ3cTaAdxOVGeizBzJOBganeU2uOQ=; h=Date:Subject:To:CC:References:From:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; 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Thu, 3 Aug 2023 11:00:48 +0800 (CST) Received: from EXMBX172.cuchost.com (172.16.6.92) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 3 Aug 2023 11:00:49 +0800 Received: from [192.168.125.84] (183.27.98.54) by EXMBX172.cuchost.com (172.16.6.92) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Thu, 3 Aug 2023 11:00:47 +0800 Message-ID: <2ea68c95-1581-a67d-613b-5315fcfd0016@starfivetech.com> Date: Thu, 3 Aug 2023 11:00:47 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.2 Subject: Re: [PATCH v2 2/3] ASoC: starfive: Add JH7110 PWM-DAC driver To: Krzysztof Kozlowski , Mark Brown , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Claudiu Beznea , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Walker Chen , Xingyu Wu , Emil Renner Berthing CC: , , , References: <20230731032829.127864-1-hal.feng@starfivetech.com> <20230731032829.127864-3-hal.feng@starfivetech.com> Content-Language: en-US From: Hal Feng In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [183.27.98.54] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX172.cuchost.com (172.16.6.92) X-YovoleRuleAgent: yovoleflag X-MailFrom: hal.feng@starfivetech.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 Message-ID-Hash: VUCQWJKG7JZPYC3ONOIS7MX45S7J6TJP X-Message-ID-Hash: VUCQWJKG7JZPYC3ONOIS7MX45S7J6TJP X-Mailman-Approved-At: Fri, 04 Aug 2023 09:42:55 +0000 X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Mon, 31 Jul 2023 09:06:10 +0200, Krzysztof Kozlowski wrote: > On 31/07/2023 05:28, Hal Feng wrote: >> Add PWM-DAC driver support for the StarFive JH7110 SoC. >> > > > ... > >> +static int jh7110_pwmdac_probe(struct platform_device *pdev) >> +{ >> + struct jh7110_pwmdac_dev *dev; >> + struct resource *res; >> + int ret; >> + >> + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); >> + if (!dev) >> + return -ENOMEM; >> + >> + dev->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); >> + if (IS_ERR(dev->base)) >> + return PTR_ERR(dev->base); >> + >> + dev->mapbase = res->start; >> + >> + dev->clks[0].id = "apb"; >> + dev->clks[1].id = "core"; >> + >> + ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(dev->clks), dev->clks); >> + if (ret) { >> + dev_err(&pdev->dev, "failed to get pwmdac clocks\n"); > > return dev_err_probe OK, will fix. > >> + return ret; >> + } >> + >> + dev->rst_apb = devm_reset_control_get_exclusive(&pdev->dev, NULL); >> + if (IS_ERR(dev->rst_apb)) { >> + dev_err(&pdev->dev, "failed to get pwmdac apb reset\n"); >> + return PTR_ERR(dev->rst_apb); > > return dev_err_probe Will fix. > >> + } >> + >> + dev->dev = &pdev->dev; >> + dev->shift = PWMDAC_SHIFT_8; >> + dev->duty_cycle = PWMDAC_CYCLE_CENTER; >> + dev->cnt_n = PWMDAC_SAMPLE_CNT_1; >> + dev->data_change = NO_CHANGE; >> + dev->data_mode = INVERTER_DATA_MSB; >> + dev->data_shift = PWMDAC_DATA_LEFT_SHIFT_BIT_0; >> + >> + dev_set_drvdata(&pdev->dev, dev); >> + ret = devm_snd_soc_register_component(&pdev->dev, >> + &jh7110_pwmdac_component, >> + &jh7110_pwmdac_dai, 1); >> + if (ret) { >> + dev_err(&pdev->dev, "failed to register dai\n"); >> + return ret; > > I guess here as well for consistency and shorter code even though > EPROBE_DEFER does not happen really. > > return dev_err_probe Will fix. > >> + } >> + >> + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); >> + if (ret) { >> + dev_err(&pdev->dev, "failed to register pcm\n"); >> + return ret; > > return dev_err_probe Will fix. Thanks for your review. Best regards, Hal > >> + } >> +