From patchwork Fri Oct 1 03:16:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?VHJldm9yIFd1ICjlkLPmlofoia8p?= X-Patchwork-Id: 12529671 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30904C433F5 for ; Fri, 1 Oct 2021 03:27:49 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E676F6134F for ; Fri, 1 Oct 2021 03:27:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E676F6134F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=4c2b52l9tU5/yDq17J02PP7WbwXRq5AvaZ7UnEuXmFU=; b=ETSIn2k0yVHOxx sq8IbmT1K0MY60Fj7WLOtxQu6KSUer2Qr4wljZPU8bZE76HJawj52Wy+7XL8G3cXIDqoDGz7xTacl WSGB/ua20EtLkDcDO6jpqMdBbS+Ae2ZoCAuqT/152N+EkgerxjOCchoAPkzPfUby7SjP53eP6lGLX krgEHExGb6DRWEmby1oPkN4rtoMrCTw4LZGmUGZTr/0QuS0CNWSWzMFYkS2m9e7/n3/TBBFHmxPT3 EwmtZATsY1N1huB2AQkz6F7y6QuH20sM7HNuc96+3Rlf+m81sjrMpwh8X01Md2nQvMPPW/sWMRBbQ 0Ov9kOYNCeWLfQgw3CwQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mW9BZ-00GWul-3P; Fri, 01 Oct 2021 03:26:09 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mW9BV-00GWtz-PZ; Fri, 01 Oct 2021 03:26:07 +0000 X-UUID: 1900b8564d6d4168a0492a47ab4787d7-20210930 X-UUID: 1900b8564d6d4168a0492a47ab4787d7-20210930 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2026459994; Thu, 30 Sep 2021 20:26:01 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 30 Sep 2021 20:16:08 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 1 Oct 2021 11:16:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 1 Oct 2021 11:16:06 +0800 From: Trevor Wu To: , , CC: , , , , , Subject: [PATCH] ASoC: mediatek: mt8195: move of_node_put to remove function Date: Fri, 1 Oct 2021 11:16:01 +0800 Message-ID: <20211001031601.3953-1-trevor.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_202605_842499_10D1660E X-CRM114-Status: GOOD ( 18.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org platforms->of_node and codes->of_node are assigned in probe function, and of_node_put is called at the end of probe function, because of_node seems to be not used after probe functon In this patch, of_node_put is moved to platform remove function in case of_node is used at any occasions after probe function in the future. Signed-off-by: Trevor Wu --- .../mt8195/mt8195-mt6359-rt1019-rt5682.c | 69 +++++++++++-------- 1 file changed, 42 insertions(+), 27 deletions(-) diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c index cb15467e5fc5..95abaadcd842 100644 --- a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c +++ b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c @@ -26,6 +26,9 @@ #define RT5682_DEV0_NAME "rt5682.2-001a" struct mt8195_mt6359_rt1019_rt5682_priv { + struct device_node *platform_node; + struct device_node *hdmi_node; + struct device_node *dp_node; struct snd_soc_jack headset_jack; struct snd_soc_jack dp_jack; struct snd_soc_jack hdmi_jack; @@ -994,33 +997,36 @@ static struct snd_soc_card mt8195_mt6359_rt1019_rt5682_soc_card = { static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt8195_mt6359_rt1019_rt5682_soc_card; - struct device_node *platform_node; - struct device_node *dp_node; - struct device_node *hdmi_node; struct snd_soc_dai_link *dai_link; - struct mt8195_mt6359_rt1019_rt5682_priv *priv = NULL; + struct mt8195_mt6359_rt1019_rt5682_priv *priv; int ret, i; card->dev = &pdev->dev; - platform_node = of_parse_phandle(pdev->dev.of_node, - "mediatek,platform", 0); - if (!platform_node) { + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!priv->platform_node) { dev_dbg(&pdev->dev, "Property 'platform' missing or invalid\n"); return -EINVAL; } for_each_card_prelinks(card, i, dai_link) { if (!dai_link->platforms->name) - dai_link->platforms->of_node = platform_node; + dai_link->platforms->of_node = priv->platform_node; if (strcmp(dai_link->name, "DPTX_BE") == 0) { - dp_node = of_parse_phandle(pdev->dev.of_node, - "mediatek,dptx-codec", 0); - if (!dp_node) { + priv->dp_node = + of_parse_phandle(pdev->dev.of_node, + "mediatek,dptx-codec", 0); + + if (!priv->dp_node) { dev_dbg(&pdev->dev, "No property 'dptx-codec'\n"); } else { - dai_link->codecs->of_node = dp_node; + dai_link->codecs->of_node = priv->dp_node; dai_link->codecs->name = NULL; dai_link->codecs->dai_name = "i2s-hifi"; dai_link->init = mt8195_dptx_codec_init; @@ -1028,12 +1034,13 @@ static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev) } if (strcmp(dai_link->name, "ETDM3_OUT_BE") == 0) { - hdmi_node = of_parse_phandle(pdev->dev.of_node, - "mediatek,hdmi-codec", 0); - if (!hdmi_node) { + priv->hdmi_node = + of_parse_phandle(pdev->dev.of_node, + "mediatek,hdmi-codec", 0); + if (!priv->hdmi_node) { dev_dbg(&pdev->dev, "No property 'hdmi-codec'\n"); } else { - dai_link->codecs->of_node = hdmi_node; + dai_link->codecs->of_node = priv->hdmi_node; dai_link->codecs->name = NULL; dai_link->codecs->dai_name = "i2s-hifi"; dai_link->init = mt8195_hdmi_codec_init; @@ -1041,26 +1048,33 @@ static int mt8195_mt6359_rt1019_rt5682_dev_probe(struct platform_device *pdev) } } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - ret = -ENOMEM; - goto out; - } - snd_soc_card_set_drvdata(card, priv); ret = devm_snd_soc_register_card(&pdev->dev, card); - if (ret) + if (ret) { dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + of_node_put(priv->hdmi_node); + of_node_put(priv->dp_node); + of_node_put(priv->platform_node); + } -out: - of_node_put(hdmi_node); - of_node_put(dp_node); - of_node_put(platform_node); return ret; } +static int mt8195_mt6359_rt1019_rt5682_dev_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + struct mt8195_mt6359_rt1019_rt5682_priv *priv = + snd_soc_card_get_drvdata(card); + + of_node_put(priv->hdmi_node); + of_node_put(priv->dp_node); + of_node_put(priv->platform_node); + + return 0; +} + #ifdef CONFIG_OF static const struct of_device_id mt8195_mt6359_rt1019_rt5682_dt_match[] = { {.compatible = "mediatek,mt8195_mt6359_rt1019_rt5682",}, @@ -1082,6 +1096,7 @@ static struct platform_driver mt8195_mt6359_rt1019_rt5682_driver = { .pm = &mt8195_mt6359_rt1019_rt5682_pm_ops, }, .probe = mt8195_mt6359_rt1019_rt5682_dev_probe, + .remove = mt8195_mt6359_rt1019_rt5682_dev_remove, }; module_platform_driver(mt8195_mt6359_rt1019_rt5682_driver);