From patchwork Thu May 27 02:40:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 448889 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80B72C47089 for ; Thu, 27 May 2021 02:41:29 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A5107613C9 for ; Thu, 27 May 2021 02:41:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A5107613C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 29254170E; Thu, 27 May 2021 04:40:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 29254170E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1622083287; bh=PnYu34QOcW2MvqsDECemPcZe/xfY3To85hl2juoPovg=; h=Date:From:Subject:To:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=SV4V2avOoZze7i7x01ihlZsepRbbR6FmcsKeSzemxFJGPeRKR/05SRafahiHKoGQY sB9fS2foJCIGGMwPGxixDW9fIKjka9rcgQfM1xv1zVW9M0YMTZIGrVm8lYy/v2eQSb ulbvVhidGaKtzn7Yhh+nX4fAI3aTiAE3weDZ7Q+k= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 0A4E4F8010C; Thu, 27 May 2021 04:40:34 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 104CDF8014B; Thu, 27 May 2021 04:40:32 +0200 (CEST) Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa1.perex.cz (Postfix) with ESMTP id 3D084F80147 for ; Thu, 27 May 2021 04:40:24 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3D084F80147 Date: 27 May 2021 11:40:22 +0900 X-IronPort-AV: E=Sophos;i="5.82,333,1613401200"; d="scan'208";a="82374201" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 27 May 2021 11:40:22 +0900 Received: from mercury.renesas.com (unknown [10.166.252.133]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 9B8864173EF1; Thu, 27 May 2021 11:40:22 +0900 (JST) Message-ID: <877djknbl5.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v2 01/11] ASoC: rsnd: call unregister for null_hw when removed User-Agent: Wanderlust/2.15.9 Emacs/26.3 Mule/6.0 To: Mark Brown In-Reply-To: <878s40nbmc.wl-kuninori.morimoto.gx@renesas.com> References: <878s40nbmc.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Kuninori Morimoto commit d6956a7dde6fb ("ASoC: rsnd: add null CLOCKIN support") added null_clk, but it is using local static valuable. It will be leaked if rsnd driver was removed. This patch moves it to priv, and call unregister when removing. Fixes: d6956a7dde6fb ("ASoC: rsnd: add null CLOCKIN support") Link: https://lore.kernel.org/r/87tumsoe2p.wl-kuninori.morimoto.gx@renesas.com Reported-by: Geert Uytterhoeven Signed-off-by: Kuninori Morimoto --- v1 -> v2 - new patch sound/soc/sh/rcar/adg.c | 9 +++++---- sound/soc/sh/rcar/rsnd.h | 1 + 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index e13eb201d550..774a72a7b6a2 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -392,10 +392,9 @@ void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable) #define NULL_CLK "rsnd_adg_null" static struct clk *rsnd_adg_null_clk_get(struct rsnd_priv *priv) { - static struct clk_hw *hw; struct device *dev = rsnd_priv_to_dev(priv); - if (!hw) { + if (!priv->null_hw) { struct clk_hw *_hw; int ret; @@ -407,10 +406,10 @@ static struct clk *rsnd_adg_null_clk_get(struct rsnd_priv *priv) if (ret < 0) clk_hw_unregister_fixed_rate(_hw); - hw = _hw; + priv->null_hw = _hw; } - return clk_hw_get_clk(hw, NULL_CLK); + return clk_hw_get_clk(priv->null_hw, NULL_CLK); } static void rsnd_adg_get_clkin(struct rsnd_priv *priv, @@ -649,6 +648,8 @@ void rsnd_adg_remove(struct rsnd_priv *priv) for_each_rsnd_clkout(clk, adg, i) if (adg->clkout[i]) clk_unregister_fixed_rate(adg->clkout[i]); + if (priv->null_hw) + clk_hw_unregister_fixed_rate(priv->null_hw); of_clk_del_provider(np); diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 1255a85151db..19e73a1ddb16 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -635,6 +635,7 @@ struct rsnd_priv { * below value will be filled on rsnd_adg_probe() */ void *adg; + struct clk_hw *null_hw; /* * below value will be filled on rsnd_dma_probe()