From patchwork Mon Jan 20 01:05:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 193805 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=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 5E964C33CAF for ; Mon, 20 Jan 2020 01:15:35 +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 DEF94206ED for ; Mon, 20 Jan 2020 01:15:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="aI9tLfwz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DEF94206ED 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 4D1521671; Mon, 20 Jan 2020 02:14:43 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4D1521671 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1579482933; bh=RP8uY+iwsnD97RrzSc7OCil+cVX43fLKOOeFYcKmgQ0=; h=Date:From:To:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=aI9tLfwzKI17u+io/+AjGtUbyN03UavGqR5p+dSdCBPJ9itg2myzeMu3QoUjp0ryM w+F5FJy6PvdxBNcSYnoyOpnjFGRl4h8Ag+R4FryoyMAFOUFwzyyXjl1SyLqEtz8I/r 4NqKf2vjDJ1su4KgKJXdulEeWPB1fKSK3thnKpoI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 744F5F80143; Mon, 20 Jan 2020 02:05:18 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id CD1F9F80343; Mon, 20 Jan 2020 02:05:15 +0100 (CET) Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa1.perex.cz (Postfix) with ESMTP id 22B52F8033E for ; Mon, 20 Jan 2020 02:05:07 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 22B52F8033E Date: 20 Jan 2020 10:05:07 +0900 X-IronPort-AV: E=Sophos;i="5.70,340,1574089200"; d="scan'208";a="36865604" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 20 Jan 2020 10:05:07 +0900 Received: from morimoto-PC.renesas.com (unknown [10.166.18.140]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id B128440083F7; Mon, 20 Jan 2020 10:05:07 +0900 (JST) Message-ID: <87pnffx7i4.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: <87eevvym6s.wl-kuninori.morimoto.gx@renesas.com> References: <87eevvym6s.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA Subject: [alsa-devel] [PATCH v2 17/17] ASoC: soc-core: remove bus_control 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 Now, snd_soc_dai_driver::bus_control is used for how to resume. But, no driver which has bus_control has DAI driver suspend/resume support. This patch removes pointless bus_control from ALSA SoC. Signed-off-by: Kuninori Morimoto --- include/sound/soc-dai.h | 1 - sound/soc/au1x/ac97c.c | 1 - sound/soc/au1x/psc-ac97.c | 1 - sound/soc/cirrus/ep93xx-ac97.c | 1 - sound/soc/fsl/fsl_ssi.c | 1 - sound/soc/fsl/imx-ssi.c | 1 - sound/soc/fsl/mpc5200_psc_ac97.c | 2 -- sound/soc/pxa/pxa2xx-ac97.c | 3 --- sound/soc/sh/hac.c | 1 - sound/soc/soc-core.c | 24 +++--------------------- sound/soc/tegra/tegra20_ac97.c | 1 - sound/soc/txx9/txx9aclc-ac97.c | 1 - 12 files changed, 3 insertions(+), 35 deletions(-) diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 2ccecf3..eaaeb00 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -302,7 +302,6 @@ struct snd_soc_dai_driver { unsigned int symmetric_rates:1; unsigned int symmetric_channels:1; unsigned int symmetric_samplebits:1; - unsigned int bus_control:1; /* DAI is also used for the control bus */ /* probe ordering - for components with runtime dependencies */ int probe_order; diff --git a/sound/soc/au1x/ac97c.c b/sound/soc/au1x/ac97c.c index 0792c40..73c6a0e 100644 --- a/sound/soc/au1x/ac97c.c +++ b/sound/soc/au1x/ac97c.c @@ -206,7 +206,6 @@ static int au1xac97c_dai_probe(struct snd_soc_dai *dai) static struct snd_soc_dai_driver au1xac97c_dai_driver = { .name = "alchemy-ac97c", - .bus_control = true, .probe = au1xac97c_dai_probe, .playback = { .rates = AC97_RATES, diff --git a/sound/soc/au1x/psc-ac97.c b/sound/soc/au1x/psc-ac97.c index 08bc04e..0227993 100644 --- a/sound/soc/au1x/psc-ac97.c +++ b/sound/soc/au1x/psc-ac97.c @@ -339,7 +339,6 @@ static const struct snd_soc_dai_ops au1xpsc_ac97_dai_ops = { }; static const struct snd_soc_dai_driver au1xpsc_ac97_dai_template = { - .bus_control = true, .probe = au1xpsc_ac97_probe, .playback = { .rates = AC97_RATES, diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c index e21eaa1..1c45fb9 100644 --- a/sound/soc/cirrus/ep93xx-ac97.c +++ b/sound/soc/cirrus/ep93xx-ac97.c @@ -336,7 +336,6 @@ static const struct snd_soc_dai_ops ep93xx_ac97_dai_ops = { static struct snd_soc_dai_driver ep93xx_ac97_dai = { .name = "ep93xx-ac97", .id = 0, - .bus_control = true, .probe = ep93xx_ac97_dai_probe, .playback = { .stream_name = "AC97 Playback", diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 537dc69..5c97269 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -1136,7 +1136,6 @@ static const struct snd_soc_component_driver fsl_ssi_component = { }; static struct snd_soc_dai_driver fsl_ssi_ac97_dai = { - .bus_control = true, .symmetric_channels = 1, .probe = fsl_ssi_dai_probe, .playback = { diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c index 42031ba..f8488e8 100644 --- a/sound/soc/fsl/imx-ssi.c +++ b/sound/soc/fsl/imx-ssi.c @@ -373,7 +373,6 @@ static struct snd_soc_dai_driver imx_ssi_dai = { static struct snd_soc_dai_driver imx_ac97_dai = { .probe = imx_ssi_dai_probe, - .bus_control = true, .playback = { .stream_name = "AC97 Playback", .channels_min = 2, diff --git a/sound/soc/fsl/mpc5200_psc_ac97.c b/sound/soc/fsl/mpc5200_psc_ac97.c index e5b9c04d..a082ae6 100644 --- a/sound/soc/fsl/mpc5200_psc_ac97.c +++ b/sound/soc/fsl/mpc5200_psc_ac97.c @@ -233,7 +233,6 @@ static const struct snd_soc_dai_ops psc_ac97_digital_ops = { static struct snd_soc_dai_driver psc_ac97_dai[] = { { .name = "mpc5200-psc-ac97.0", - .bus_control = true, .probe = psc_ac97_probe, .playback = { .stream_name = "AC97 Playback", @@ -253,7 +252,6 @@ static struct snd_soc_dai_driver psc_ac97_dai[] = { }, { .name = "mpc5200-psc-ac97.1", - .bus_control = true, .playback = { .stream_name = "AC97 SPDIF", .channels_min = 1, diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c index 22fe779..4240fde 100644 --- a/sound/soc/pxa/pxa2xx-ac97.c +++ b/sound/soc/pxa/pxa2xx-ac97.c @@ -157,7 +157,6 @@ static const struct snd_soc_dai_ops pxa_ac97_mic_dai_ops = { static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { { .name = "pxa2xx-ac97", - .bus_control = true, .playback = { .stream_name = "AC97 Playback", .channels_min = 2, @@ -174,7 +173,6 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { }, { .name = "pxa2xx-ac97-aux", - .bus_control = true, .playback = { .stream_name = "AC97 Aux Playback", .channels_min = 1, @@ -191,7 +189,6 @@ static struct snd_soc_dai_driver pxa_ac97_dai_driver[] = { }, { .name = "pxa2xx-ac97-mic", - .bus_control = true, .capture = { .stream_name = "AC97 Mic Capture", .channels_min = 1, diff --git a/sound/soc/sh/hac.c b/sound/soc/sh/hac.c index 17622ce..475fc98 100644 --- a/sound/soc/sh/hac.c +++ b/sound/soc/sh/hac.c @@ -270,7 +270,6 @@ static const struct snd_soc_dai_ops hac_dai_ops = { static struct snd_soc_dai_driver sh4_hac_dai[] = { { .name = "hac-dai.0", - .bus_control = true, .playback = { .rates = AC97_RATES, .formats = AC97_FMTS, diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b0ec323..f969a3b 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -712,8 +712,6 @@ static void soc_resume_deferred(struct work_struct *work) int snd_soc_resume(struct device *dev) { struct snd_soc_card *card = dev_get_drvdata(dev); - bool bus_control = false; - struct snd_soc_pcm_runtime *rtd; struct snd_soc_component *component; /* If the card is not initialized yet there is nothing to do */ @@ -725,25 +723,9 @@ int snd_soc_resume(struct device *dev) if (component->active) pinctrl_pm_select_default_state(component->dev); - /* - * DAIs that also act as the control bus master might have other drivers - * hanging off them so need to resume immediately. Other drivers don't - * have that problem and may take a substantial amount of time to resume - * due to I/O costs and anti-pop so handle them out of line. - */ - for_each_card_rtds(card, rtd) { - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - - bus_control |= cpu_dai->driver->bus_control; - } - if (bus_control) { - dev_dbg(dev, "ASoC: Resuming control bus master immediately\n"); - soc_resume_deferred(&card->deferred_resume_work); - } else { - dev_dbg(dev, "ASoC: Scheduling resume work\n"); - if (!schedule_work(&card->deferred_resume_work)) - dev_err(dev, "ASoC: resume work item may be lost\n"); - } + dev_dbg(dev, "ASoC: Scheduling resume work\n"); + if (!schedule_work(&card->deferred_resume_work)) + dev_err(dev, "ASoC: resume work item may be lost\n"); return 0; } diff --git a/sound/soc/tegra/tegra20_ac97.c b/sound/soc/tegra/tegra20_ac97.c index 09c8516..06c728a 100644 --- a/sound/soc/tegra/tegra20_ac97.c +++ b/sound/soc/tegra/tegra20_ac97.c @@ -219,7 +219,6 @@ static int tegra20_ac97_probe(struct snd_soc_dai *dai) static struct snd_soc_dai_driver tegra20_ac97_dai = { .name = "tegra-ac97-pcm", - .bus_control = true, .probe = tegra20_ac97_probe, .playback = { .stream_name = "PCM Playback", diff --git a/sound/soc/txx9/txx9aclc-ac97.c b/sound/soc/txx9/txx9aclc-ac97.c index bfaa9b3..b1d9615 100644 --- a/sound/soc/txx9/txx9aclc-ac97.c +++ b/sound/soc/txx9/txx9aclc-ac97.c @@ -148,7 +148,6 @@ static int txx9aclc_ac97_remove(struct snd_soc_dai *dai) } static struct snd_soc_dai_driver txx9aclc_ac97_dai = { - .bus_control = true, .probe = txx9aclc_ac97_probe, .remove = txx9aclc_ac97_remove, .playback = {