From patchwork Tue Nov 5 06:46:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 11226979 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B09C316B1 for ; Tue, 5 Nov 2019 06:50:42 +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 423A4217F4 for ; Tue, 5 Nov 2019 06:50:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="NeN0xKC0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 423A4217F4 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 78363172E; Tue, 5 Nov 2019 07:49:50 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 78363172E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1572936640; bh=nT1WaAcofWgz58P/kDXwuXEbvwADRHm5QGi5ogJyBVQ=; h=Date:From:To:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=NeN0xKC0Xj4r0V/lqSX5FvbuZo1jcGIdsEuFN6Vr22p81R8WWEXdnF/Sf1IMblSqh JvfBjHdwBcRNlYuIlUN9VL1N9vrOgHhkReLVrs7PNKpmbkX5TUM/d14rUxAPDU9dry 91BYfKPqd6ANuUetVrQNs5snyWQohb8Lpc02YIuM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4C5B7F8064C; Tue, 5 Nov 2019 07:46:32 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 43528F80642; Tue, 5 Nov 2019 07:46:31 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_PASS, SURBL_BLOCKED,URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa1.perex.cz (Postfix) with ESMTP id 67A88F80642 for ; Tue, 5 Nov 2019 07:46:26 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 67A88F80642 Date: 05 Nov 2019 15:46:25 +0900 X-IronPort-AV: E=Sophos;i="5.68,270,1569250800"; d="scan'208";a="30644941" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 05 Nov 2019 15:46:25 +0900 Received: from morimoto-PC.renesas.com (unknown [10.166.18.140]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 55E8C41946BB; Tue, 5 Nov 2019 15:46:25 +0900 (JST) Message-ID: <877e4e3jni.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto User-Agent: Wanderlust/2.15.9 Emacs/24.5 Mule/6.0 To: Mark Brown In-Reply-To: <87ftj23jph.wl-kuninori.morimoto.gx@renesas.com> References: <87ftj23jph.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA , Pierre-Louis Bossart , Ranjani Sridharan Subject: [alsa-devel] [PATCH v3 06/19] ASoC: soc-core: add soc_unbind_dai_link() 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 It is easy to read code if it is cleanly using paired function/naming, like start <-> stop, register <-> unregister, etc, etc. But, current ALSA SoC code is very random, unbalance, not paired, etc. It is easy to create bug at the such code, and it will be difficult to debug. ALSA SoC has soc_bind_dai_link(), but its paired soc_unbind_dai_link() is not implemented. More confusable is that soc_remove_pcm_runtimes() which should be soc_unbind_dai_link() is implemented without synchronised to soc_bind_dai_link(). This patch cleanup this unbalance. Signed-off-by: Kuninori Morimoto Reviewed-by: Pierre-Louis Bossart Signed-off-by: Kuninori Morimoto --- v2 -> v3 - no change - add Reviewed-by sound/soc/soc-core.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index e8ff6f2..1e8dd19 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -470,14 +470,6 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime( return NULL; } -static void soc_remove_pcm_runtimes(struct snd_soc_card *card) -{ - struct snd_soc_pcm_runtime *rtd, *_rtd; - - for_each_card_rtds_safe(card, rtd, _rtd) - soc_free_pcm_runtime(rtd); -} - struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, const char *dai_link) { @@ -1037,6 +1029,16 @@ static int soc_dai_link_sanity_check(struct snd_soc_card *card, return 0; } +static void soc_unbind_dai_link(struct snd_soc_card *card, + struct snd_soc_dai_link *dai_link) +{ + struct snd_soc_pcm_runtime *rtd; + + rtd = snd_soc_get_pcm_runtime(card, dai_link->name); + if (rtd) + soc_free_pcm_runtime(rtd); +} + static int soc_bind_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) { @@ -1466,6 +1468,8 @@ void snd_soc_remove_dai_link(struct snd_soc_card *card, card->remove_dai_link(card, dai_link); list_del(&dai_link->list); + + soc_unbind_dai_link(card, dai_link); } EXPORT_SYMBOL_GPL(snd_soc_remove_dai_link); @@ -1974,8 +1978,6 @@ static void soc_cleanup_card_resources(struct snd_soc_card *card) for_each_card_links_safe(card, link, _link) snd_soc_remove_dai_link(card, link); - soc_remove_pcm_runtimes(card); - /* remove auxiliary devices */ soc_remove_aux_devices(card); soc_unbind_aux_dev(card);