From patchwork Fri Jan 5 16:01:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulf Hansson X-Patchwork-Id: 761013 Received: from mail-lj1-f176.google.com (mail-lj1-f176.google.com [209.85.208.176]) (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 ADF523529D for ; Fri, 5 Jan 2024 16:01:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="YDmBF7lF" Received: by mail-lj1-f176.google.com with SMTP id 38308e7fff4ca-2ccbc328744so20734771fa.3 for ; Fri, 05 Jan 2024 08:01:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704470478; x=1705075278; 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=+xTV3KNGUOJDAGwGlyDoyXQPDYV81EgjVZP/tKxx0pk=; b=YDmBF7lFZiuX1dCRdWZpabfgxPbsOV6Stw36oosXPP+RmFjCmIpBv8udpLWBlxt+Zn Qv73R0O/CWt5IJagtninpik/ErVDKFFg9zRUzO6Ba8ZVbJG5fmrbKMdiDe9eaqzqAAl9 9cPhlil85lEf8SOlHfz+XWk0lj7Q4wlsbL2ga13bAflBALtbmxcuqlnjJKnLgHm88tl3 PcRdke8Xc4jZ/LP0qCGPku9ZabkL4qcsq1e8MJleEg6aRh+ydbOF/31i3rxSDqI+rJfO TA1fS436KkUCV3zU2P92PnyxygjzqSJYwULhWVFSLe307Az2DpfYUjQk5a9s2/BsAdg6 SUHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704470478; x=1705075278; 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=+xTV3KNGUOJDAGwGlyDoyXQPDYV81EgjVZP/tKxx0pk=; b=Zi+uAlUcWp8FTg+jpVBgxv05slVgDiGOAUPbMsEatLaYHYfajMsmWRobaKoJZOSIxt E1qAyFqaj8QPYDwMP18N0MP1q031X+c1H8wsw7jF4OA8V60zrGYrZoq7vSD3muuYo7Gw CDL6EnZTP3r+P2Q2COlpc9Qd+9Jvmx5ZkBx0+0ANl3R7TZWbVk6BSe7CsglimGMlwdP2 NeTj1FVz1KNNLX5w2hY+huArPxG3Cbk/6WJ7QWSzUJ/YtG3J4zWCH5fmGBfU43MJMXX6 scPLi9xw/LB4gG3rXhDE83J3XfAOzdqCV412aNvYFfR+BU79oePaYH3GyGOE1kNKVt/k LJMg== X-Gm-Message-State: AOJu0Yx+lkMeFLLY1LkqNeZzTIPttR9VF5w4khnQODv4bvKpA2tFGPmB apD5nPiHiLTiOa+l9rl5NsxBbi77IYzwQw== X-Google-Smtp-Source: AGHT+IEhceusxqe38aK6YSRaF0oSmtJx101dr5UFrhN3EnDzMmqdMwFzHk96/G1pK1okalt2N+42DA== X-Received: by 2002:a05:6512:532:b0:50e:6e9f:bc89 with SMTP id o18-20020a056512053200b0050e6e9fbc89mr1038688lfc.104.1704470477717; Fri, 05 Jan 2024 08:01:17 -0800 (PST) Received: from uffe-tuxpro14.. (h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id n5-20020a056512310500b0050e76978861sm262094lfb.277.2024.01.05.08.01.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jan 2024 08:01:15 -0800 (PST) From: Ulf Hansson To: "Rafael J . Wysocki" , Greg Kroah-Hartman , Viresh Kumar , linux-pm@vger.kernel.org Cc: Ulf Hansson , Sudeep Holla , Kevin Hilman , Konrad Dybcio , Bjorn Andersson , Nikunj Kela , Prasad Sodagudi , Stephan Gerhold , Ben Horgan , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-remoteproc@vger.kernel.org, linux-media@vger.kernel.org, Mathieu Poirier , Shawn Guo , Sascha Hauer , Iuliana Prodan , Daniel Baluta Subject: [PATCH v2 3/5] remoteproc: imx_rproc: Convert to dev_pm_domain_attach|detach_list() Date: Fri, 5 Jan 2024 17:01:01 +0100 Message-Id: <20240105160103.183092-4-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240105160103.183092-1-ulf.hansson@linaro.org> References: <20240105160103.183092-1-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Let's avoid the boilerplate code to manage the multiple PM domain case, by converting into using dev_pm_domain_attach|detach_list(). Cc: Mathieu Poirier Cc: Bjorn Andersson Cc: Shawn Guo Cc: Sascha Hauer Cc: Iuliana Prodan Cc: Daniel Baluta Cc: Signed-off-by: Ulf Hansson Tested-by: Iuliana Prodan Reviewed-by: Iuliana Prodan Reviewed-by: Mathieu Poirier --- Changes in v2: - None. Iuliana/Daniel I am ccing you to request help with test/review of this change. Note that, you will need patch 1/5 in the series too, to be able to test this. Kind regards Ulf Hansson --- drivers/remoteproc/imx_rproc.c | 73 +++++----------------------------- 1 file changed, 9 insertions(+), 64 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 8bb293b9f327..3161f14442bc 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -92,7 +92,6 @@ struct imx_rproc_mem { static int imx_rproc_xtr_mbox_init(struct rproc *rproc); static void imx_rproc_free_mbox(struct rproc *rproc); -static int imx_rproc_detach_pd(struct rproc *rproc); struct imx_rproc { struct device *dev; @@ -113,10 +112,8 @@ struct imx_rproc { u32 rproc_pt; /* partition id */ u32 rsrc_id; /* resource id */ u32 entry; /* cpu start address */ - int num_pd; u32 core_index; - struct device **pd_dev; - struct device_link **pd_dev_link; + struct dev_pm_domain_list *pd_list; }; static const struct imx_rproc_att imx_rproc_att_imx93[] = { @@ -853,7 +850,7 @@ static void imx_rproc_put_scu(struct rproc *rproc) return; if (imx_sc_rm_is_resource_owned(priv->ipc_handle, priv->rsrc_id)) { - imx_rproc_detach_pd(rproc); + dev_pm_domain_detach_list(priv->pd_list); return; } @@ -880,72 +877,20 @@ static int imx_rproc_partition_notify(struct notifier_block *nb, static int imx_rproc_attach_pd(struct imx_rproc *priv) { struct device *dev = priv->dev; - int ret, i; - - /* - * If there is only one power-domain entry, the platform driver framework - * will handle it, no need handle it in this driver. - */ - priv->num_pd = of_count_phandle_with_args(dev->of_node, "power-domains", - "#power-domain-cells"); - if (priv->num_pd <= 1) - return 0; - - priv->pd_dev = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev), GFP_KERNEL); - if (!priv->pd_dev) - return -ENOMEM; - - priv->pd_dev_link = devm_kmalloc_array(dev, priv->num_pd, sizeof(*priv->pd_dev_link), - GFP_KERNEL); - - if (!priv->pd_dev_link) - return -ENOMEM; - - for (i = 0; i < priv->num_pd; i++) { - priv->pd_dev[i] = dev_pm_domain_attach_by_id(dev, i); - if (IS_ERR(priv->pd_dev[i])) { - ret = PTR_ERR(priv->pd_dev[i]); - goto detach_pd; - } - - priv->pd_dev_link[i] = device_link_add(dev, priv->pd_dev[i], DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (!priv->pd_dev_link[i]) { - dev_pm_domain_detach(priv->pd_dev[i], false); - ret = -EINVAL; - goto detach_pd; - } - } - - return 0; - -detach_pd: - while (--i >= 0) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return ret; -} - -static int imx_rproc_detach_pd(struct rproc *rproc) -{ - struct imx_rproc *priv = rproc->priv; - int i; + int ret; + struct dev_pm_domain_attach_data pd_data = { + .pd_flags = PD_FLAG_DEV_LINK_ON, + }; /* * If there is only one power-domain entry, the platform driver framework * will handle it, no need handle it in this driver. */ - if (priv->num_pd <= 1) + if (dev->pm_domain) return 0; - for (i = 0; i < priv->num_pd; i++) { - device_link_del(priv->pd_dev_link[i]); - dev_pm_domain_detach(priv->pd_dev[i], false); - } - - return 0; + ret = dev_pm_domain_attach_list(dev, &pd_data, &priv->pd_list); + return ret < 0 ? ret : 0; } static int imx_rproc_detect_mode(struct imx_rproc *priv)