Received: by 2002:a05:7412:3b8b:b0:fc:a2b0:25d7 with SMTP id nd11csp3046922rdb; Tue, 13 Feb 2024 05:32:35 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWwZFIROEvjc7LYwYuyV2n3DcAANARErXg0Y7y62TRKtB4wPP5NdnSDsQ5G8UTK7mG1jXwF94XsadATZTYvoizD/GsiUkslzmf7/aYOvw== X-Google-Smtp-Source: AGHT+IGJmugh3O6TH8pdFC4x/piX7eeMgUd3CiIglvGbFZ8StB26EsMSQqHRwJe92hhJV6ut8IAj X-Received: by 2002:a05:620a:14b5:b0:785:a968:8c5c with SMTP id x21-20020a05620a14b500b00785a9688c5cmr10027405qkj.67.1707831155456; Tue, 13 Feb 2024 05:32:35 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707831155; cv=pass; d=google.com; s=arc-20160816; b=uuwd4n3YgGfKjUAhw9QW6nze7qsWdaZrS6xqKohpur+9top7VvZ7P8eYodKjQncAtd KSjFu9g5W1VdxfRq/vF0cqkwcKe1NPU63zqChTYZWOFV1WW5qpUgNwrfE3fO3TBRQ8gg gk3ldWFhPe0HZg/xdVUxpVKVZ0fpMV7dt8Cr3eR3dh96InIZLkYsFBnh8rSCRZK9isoZ 2pp9CsoubTJJRBY503bKHqEPaTpTocCui4QrYkxZfeQ6xtzt36a2CDcHQeaDD+uuqaYN owoNodnU+SA4Xzjed7B6SoyN51rakGFhezdWYniznIVBC6RErgYUq8R/qE14oWcJtGGZ SAuw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id:dkim-signature; bh=34e9c7UGprBPKQ0+1IALD+tum6v0BgoVmf0mxf39HAE=; fh=rZx5A/QjO8GxmMok7AtCf2+TJ8k3F/N+G0YINr0owBU=; b=0YQM1gUlyz4ZmhbaJGvXOB+hFsnFwOtx6bMr0y4ly0tqCTkJF/iInNFQMahtM7yYEI OrOwPh1m2h0hX+7sQRY7+kBzBlDIB6hkUNpRxnh7EQI6lg8DCxBw3nnKgzfAtGher2eH AinCA+nJnQN3MywN5UXQ38asafi2PuvK8Ibsks9LwdBgWF/GdhqFNidVwBw1CVFHcNa7 ODB/BjRBkp1Ax3HJ3RALMDBlfjvt7UTe4NRix3hrGEdYB/5SN76i6A7fOP3iZuj10qCg lIulqCbmwDLtG5pAUB7At06a+f5VXNAUR9EW9bS+75gr6dlzWfsKbREIXzIijEGv2rZ7 x/Qw==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b=zduP417c; arc=pass (i=1 spf=pass spfdomain=foss.st.com dkim=pass dkdomain=foss.st.com dmarc=pass fromdomain=foss.st.com); spf=pass (google.com: domain of linux-kernel+bounces-63595-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-63595-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com X-Forwarded-Encrypted: i=2; AJvYcCXDdbLJ00mZxKKyFd2qGwg7TDosNAQDH5jdW9m+SM3FdKkPj4mYl3m45JxUqWrF9fYwooDCPPzbvi982NKoI1UNdBbUIz64AM/075TTag== Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id b16-20020a05620a04f000b0078715e1404esi2557417qkh.622.2024.02.13.05.32.35 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 05:32:35 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-63595-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@foss.st.com header.s=selector1 header.b=zduP417c; arc=pass (i=1 spf=pass spfdomain=foss.st.com dkim=pass dkdomain=foss.st.com dmarc=pass fromdomain=foss.st.com); spf=pass (google.com: domain of linux-kernel+bounces-63595-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-63595-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=foss.st.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 3A7661C21CEB for ; Tue, 13 Feb 2024 13:32:35 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id EEBDE5644C; Tue, 13 Feb 2024 13:32:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="zduP417c" Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D34C456740; Tue, 13 Feb 2024 13:32:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.207.212.93 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707831148; cv=none; b=sjoziyySf/LkYS4rakTC7ywtYrlBQvVYxiJhUTJV+AqHWmGuYNUUiQC/XCxJ+/dQsB6HDs8fT2DYQRmnIRG6R8o3SSMtQFCZSTcspwtQ3/zGwgmUb51KH9vM31sHfoH/TRdNKLSNkxE/fLsr9EgjOx5NDDLvoK6yXeP5gd6LM8Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707831148; c=relaxed/simple; bh=XGf+6GSE1aTEFLzYyfaXBhpbaZBwxkfHTNrFHlLjxmE=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=axmXF69Er8vpHYK+tv6H1X0M+KZGQNeTGn99CM36eZT+RbCu872RuvEOavsGTl5J7xvRVxdUZxQ50T6NXd23mR5HIlM8j/38a4cpRv3CgJEgyIexQhayY4usqX6jgj8JtTBx7TZW5ASZtb9tdEhUYXehE0SXp8liwGT66an+ggE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=zduP417c; arc=none smtp.client-ip=91.207.212.93 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41DCB8wv021006; Tue, 13 Feb 2024 14:32:10 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= message-id:date:mime-version:subject:to:cc:references:from :in-reply-to:content-type:content-transfer-encoding; s= selector1; bh=34e9c7UGprBPKQ0+1IALD+tum6v0BgoVmf0mxf39HAE=; b=zd uP417cKD+QCfrJIkj2xjU71gUsE+mehTeZLO0zW/cWOd2vg38YC6jS1TYQPIXPPl Jg+aZFFkZ+WXIiIDnL99vuYDMktpeWeVTwVdXj0CoRZ/zdp1IvZymrT4NLwRp8CO fXnrSzEwejIG+FdZeLIAzvRcKw0ZdYfyG6V6auRh00T1JlXCJUZEdWc/Ieo/WhEI iRLYIVtlkvQOKtdz+lsPdY6gf56JzAQx/xpTRxjahcQfB1++RpLJn21j2t44Xjj0 Yc/nbvHVT/5kzjtTkAR4Mg5Um1QNAnv3vWvQKSphNOpGtXQZaMEof6UwWya7VG6p AjcOr02kfxoTWJ+04asw== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3w62ktjwbk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Feb 2024 14:32:10 +0100 (CET) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id D4E3A40044; Tue, 13 Feb 2024 14:32:06 +0100 (CET) Received: from Webmail-eu.st.com (shfdag1node3.st.com [10.75.129.71]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 315FC257ABA; Tue, 13 Feb 2024 14:31:24 +0100 (CET) Received: from [10.201.22.200] (10.201.22.200) by SHFDAG1NODE3.st.com (10.75.129.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 13 Feb 2024 14:31:23 +0100 Message-ID: Date: Tue, 13 Feb 2024 14:31:22 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 07/12] memory: stm32-fmc2-ebi: add runtime PM support Content-Language: en-US To: Krzysztof Kozlowski , , , , , , CC: , , , References: <20240212174822.77734-1-christophe.kerello@foss.st.com> <20240212174822.77734-8-christophe.kerello@foss.st.com> <7cb51fed-66fc-4ab1-be09-85a00d94514b@linaro.org> From: Christophe Kerello In-Reply-To: <7cb51fed-66fc-4ab1-be09-85a00d94514b@linaro.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE3.st.com (10.75.129.71) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-13_07,2024-02-12_03,2023-05-22_02 On 2/13/24 08:59, Krzysztof Kozlowski wrote: > On 12/02/2024 18:48, Christophe Kerello wrote: >> Add runtime PM support in FMC2 ebi driver to be able to manage GENPD >> support when it will be enabled. > Hi Krzysztof, > You don't do any real runtime PM here (turning on PM domain on probe is > not real PM), so please explain what is the goal of it and say that it > is basic RPM for keeping domain on. > Yes, you are true, I will modify the commit message. >> >> Signed-off-by: Christophe Kerello >> --- >> drivers/memory/stm32-fmc2-ebi.c | 40 ++++++++++++++++++++++++++------- >> 1 file changed, 32 insertions(+), 8 deletions(-) >> >> diff --git a/drivers/memory/stm32-fmc2-ebi.c b/drivers/memory/stm32-fmc2-ebi.c >> index 04248c15832f..8c30e56be3b0 100644 >> --- a/drivers/memory/stm32-fmc2-ebi.c >> +++ b/drivers/memory/stm32-fmc2-ebi.c >> @@ -11,6 +11,7 @@ >> #include >> #include >> #include >> +#include >> #include >> #include >> >> @@ -1381,6 +1382,7 @@ static int stm32_fmc2_ebi_probe(struct platform_device *pdev) >> return -ENOMEM; >> >> ebi->dev = dev; >> + platform_set_drvdata(pdev, ebi); > > Does not look related. > With pm_runtime_resume_and_get API now called, stm32_fmc2_ebi_runtime_resume needs ebi data to enable the clock. It means that the platform data has to be set before this call. Regards, Christophe Kerello. > > Best regards, > Krzysztof >