From patchwork Fri Nov 8 10:49:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu X-Patchwork-Id: 841819 Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 576A81F666C for ; Fri, 8 Nov 2024 10:50:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731063059; cv=none; b=ElnAsR5m4WG6Are/zitk4GcPEukP9qyol+Yh+js7XBpvRTfZXO+/pRs5OUjbz4oYnZnpjfc0VXB6BMwY1n6B+7zEi9ESp04EyY78PomQqVszfYvsb9TiWxUdhD6VeOD3CprOdb77Oxq0UUTfahTApdI2z6MSG4Q1jX99+SchNUU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731063059; c=relaxed/simple; bh=1JLP8YBI/NfuJpSNZsJG39bojJB5MMAu0LS2Keuaup0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Af2lYOy/jIxLDoSAU+56PMAMDiyk0Sv38OgrReSSnc5rE+L1LOo3B+B550U4SzR4j71CWWw/l5yKQeyK98brcudh5hE231dU4wBwBw3zUJnSDSFbJp4NaqQd7/mMgOY2c+RA14WhHqfRQ7EGZCAnXFHg6PsnEwV1xTuIGVc2rJI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=pu4j2afD; arc=none smtp.client-ip=209.85.218.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="pu4j2afD" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-a9ed49edd41so358642566b.0 for ; Fri, 08 Nov 2024 02:50:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1731063055; x=1731667855; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=eOLdQvWvS7gaNvs3DCiJZvTYPDD5HWrJjoBCATic1So=; b=pu4j2afDyCIDpPPaTvvQlE3uz2+ANnJ/NY6vRRZQjx1b1QCrEASjrWtPToEFe5j67j dvoBRAm6gnvkrVpPrd5Y74QzkChPL/V5tZIMBR4ELGGo1WO5aNVBieaP4574Jw+oUlkE lSNoMKPfk94binQ4wKMlZ6tpP/ai41mBRQzoOAmB2UqSj48H7lWbrcswCrYF3uLXaaMe Qo+sYra4QPW+0CVsv7Cq42QJtFFULB3MCI/x8o7wUsA46g5n7QECSX+atzf3BF1fEhdN sgfdVdeIUrtS/SYASKxS9r0syByM2TaVdeMrSVhd1t1HDxna2AawrBVCy9vaGrIzj/Pb lVuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731063055; x=1731667855; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eOLdQvWvS7gaNvs3DCiJZvTYPDD5HWrJjoBCATic1So=; b=JT7elmdRTobj86AAmeubdkiPM0FZP7yDc6GduqZIyAP5xXlelWrWrTl2W3hexT/BUe WhaK7tZ4O3c+cXoCnYKSBs5XDd6QJOHUYRVmCJSv/TaWrpBygdUthL4yJRCIw8N+3pdW grRiBKUcTTaXDs0EoKYMwWFkxNOBaKLgzU0pFVwRdEKwe6bO05kvgtPGqvnDXS/Vx9XM Hjx42zBuQlmlT6zXjl4hVEXQ0noO9dkdCwZ0zfqYdLWTgajix2pUMKtoxjbO6f8kXSS2 AtTB1Rngk15c/gXyaB8yGLZr2t11uJkPVht6NyAOvDdiSZyTHwDOLZ2tP8+BRMlyKnbb ELBA== X-Forwarded-Encrypted: i=1; AJvYcCUbLiAGK98NtrteiKT1wAvpdqgYmfSdS0vHOzRDKkULZf6ZicVjxfcRtB0YNgHcDNnyAvy5wOykBwON@vger.kernel.org X-Gm-Message-State: AOJu0YxZbrWkJkhS4sTLH6i9AUfuXNNzSTpBoFwTbwOUO82TWBsgHT7L 81LG8s4u4QM91lrqrD+Vrw2WL/0lBLchmFgly1vgQbLOCEC5wolxlKwEdN3RauE= X-Google-Smtp-Source: AGHT+IEDcIr4ZulRfChZaF/rfxZKMkUXnFBiVs3aCjpXf4oh+sd3M27JOSZF7Y01oPyVg+uYn/eBkQ== X-Received: by 2002:a17:907:94c1:b0:a9a:6752:ba80 with SMTP id a640c23a62f3a-a9eefebd152mr222750366b.5.1731063054628; Fri, 08 Nov 2024 02:50:54 -0800 (PST) Received: from claudiu-X670E-Pro-RS.. ([82.78.167.28]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9ee0dc574dsm220464866b.101.2024.11.08.02.50.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2024 02:50:54 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: geert+renesas@glider.be, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, biju.das.jz@bp.renesas.com, prabhakar.mahadev-lad.rj@bp.renesas.com, lgirdwood@gmail.com, broonie@kernel.org, magnus.damm@gmail.com, linus.walleij@linaro.org, perex@perex.cz, tiwai@suse.com, p.zabel@pengutronix.de Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, linux-gpio@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v2 17/25] ASoC: sh: rz-ssi: Add runtime PM support Date: Fri, 8 Nov 2024 12:49:50 +0200 Message-Id: <20241108104958.2931943-18-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20241108104958.2931943-1-claudiu.beznea.uj@bp.renesas.com> References: <20241108104958.2931943-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea Add runtime PM support to the ssi driver. This assert/de-assert the reset lines on runtime suspend/resume. Along with it the de-assertion of the reset line from probe function was removed as it is not necessary anymore. Signed-off-by: Claudiu Beznea --- Changes in v2: - none sound/soc/renesas/rz-ssi.c | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/sound/soc/renesas/rz-ssi.c b/sound/soc/renesas/rz-ssi.c index 01e8b6a4e8a8..d0e2665ec830 100644 --- a/sound/soc/renesas/rz-ssi.c +++ b/sound/soc/renesas/rz-ssi.c @@ -1139,14 +1139,13 @@ static int rz_ssi_probe(struct platform_device *pdev) goto err_release_dma_chs; } - reset_control_deassert(ssi->rstc); /* Default 0 for power saving. Can be overridden via sysfs. */ pm_runtime_set_autosuspend_delay(dev, 0); pm_runtime_use_autosuspend(dev); ret = devm_pm_runtime_enable(dev); if (ret < 0) { dev_err(dev, "Failed to enable runtime PM!\n"); - goto err_reset; + goto err_release_dma_chs; } ret = devm_snd_soc_register_component(dev, &rz_ssi_soc_component, @@ -1154,13 +1153,11 @@ static int rz_ssi_probe(struct platform_device *pdev) ARRAY_SIZE(rz_ssi_soc_dai)); if (ret < 0) { dev_err(dev, "failed to register snd component\n"); - goto err_reset; + goto err_release_dma_chs; } return 0; -err_reset: - reset_control_assert(ssi->rstc); err_release_dma_chs: rz_ssi_release_dma_channels(ssi); @@ -1182,10 +1179,29 @@ static const struct of_device_id rz_ssi_of_match[] = { }; MODULE_DEVICE_TABLE(of, rz_ssi_of_match); +static int rz_ssi_runtime_suspend(struct device *dev) +{ + struct rz_ssi_priv *ssi = dev_get_drvdata(dev); + + return reset_control_assert(ssi->rstc); +} + +static int rz_ssi_runtime_resume(struct device *dev) +{ + struct rz_ssi_priv *ssi = dev_get_drvdata(dev); + + return reset_control_deassert(ssi->rstc); +} + +static const struct dev_pm_ops rz_ssi_pm_ops = { + RUNTIME_PM_OPS(rz_ssi_runtime_suspend, rz_ssi_runtime_resume, NULL) +}; + static struct platform_driver rz_ssi_driver = { .driver = { .name = "rz-ssi-pcm-audio", .of_match_table = rz_ssi_of_match, + .pm = pm_ptr(&rz_ssi_pm_ops), }, .probe = rz_ssi_probe, .remove = rz_ssi_remove,