From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54978C433F5 for ; Fri, 11 Feb 2022 18:52:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=1i9DUDRZ31yKGWlbL86xEipiC5ei2fchUXicRwQhVTc=; b=cZHEc57n9ltFI2 kht9kNrj93z3sSYR46p3HAD0wCioGIW3OGZ1kq7hxogrU+w4ySGK5kku7emxw51Jk17L3Rywpzism u2rrhz+VVyh6KLZWcpyusXaL0LYNJBONtaIAcri4WyG0yp/AYM9iUUNXB2j8TY7EBGSdHmibS8NBz 6LyP9/V9UOlSbcH4vTtUx3yfLpu9lfXfo10NFgbtfAqZ3dFnBbEnJ8yGS4WOeF2vxT11WWNsukgEt JX/MSknKOYvPML5rdxrQwJkCilSe6r9LH5dPvQlWC/DXItZJ2tWYtuux9QWRL9Ntvu9lDhlNwGB6I 2r3LcnMN3+iwBeoAm83g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIb2E-008TX8-49; Fri, 11 Feb 2022 18:52:46 +0000 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIb2B-008TWb-Dy for linux-amlogic@lists.infradead.org; Fri, 11 Feb 2022 18:52:45 +0000 Received: by mail-pf1-x42a.google.com with SMTP id a39so16993326pfx.7 for ; Fri, 11 Feb 2022 10:52:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=0FQei1pY0LCHqipBs4sfkYiChk/zz8y1S+0ZsU19zEU=; b=K5CiLU5WhgRjmRs1DCvUJTCXND0gyRLPtQr3+M83VzP++0jx36Km/ZH5R55/BnPsvF 9faqVoGMJnqxWSwKQV7A13B67u0G+g+zD1Snh8a0QLYxtTnKAmrspUH4q6r3jhZsjV4S KDX9+WZRAKGwdKAeK5+UpzNDveeZb5zYZeqb6R23sM5luVZP/Hq8eN5+aD4HoWNT+540 JGdUiexPkWpCCKoUQ6aT9PZ7PkGWE9v/5LQ9C/KBO3+/KMArcLOP+HsffkojZon+bgck Uun9Y14pRIeaa9ZbajwhSmRoLyWlDTnqTcZaZcTlRwTNFfRKvl/Y+vAoGn8Uj2toDxcR vbxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=0FQei1pY0LCHqipBs4sfkYiChk/zz8y1S+0ZsU19zEU=; b=VHaWgCre5cJEbWu8ieRA26vkYLrKIVQPi1wX7BMAABGz61af9FHLsgUih/0DWRJFsl 4fmtoLiHgocF2qXLCAu4bCfPXGaVUmDSqKf2AQ28oEV/cZM0dJLSXIyIzk2sBfJfYMX3 /tOSzotMrCiPJzJgdCK5vqswdngtUNluKg8PKmhtPHzjcBEiaXJO/5aUl9h0wtaZXxSx NfwA7bHMOanG7cj7GDsSJNXo8+xaW+8FbH5pD8hlx293a8RuVujdk0TkmyDpqZzAgVFv dbAsd4xL/hbnx0HZDlENyp+/C3/v+ZQj7MZSKHv+ftya/CnDV9DzHxuR74YMOiPyD/lM rB1w== X-Gm-Message-State: AOAM531pDAjn9q7Bob+O++m1cl4p7HVL+0CsIr/B7H03uZUjK01HdT/3 W2bGwY472Xd59lb284ajT8YS0w== X-Google-Smtp-Source: ABdhPJzp++F6L+Noa2Fd1DjatakG9PMYKetKo1YRVAGNl0SGHnPZ2qELdIdPw6iIhfZIPw5sFm+YIg== X-Received: by 2002:a65:6093:: with SMTP id t19mr2449132pgu.584.1644605562030; Fri, 11 Feb 2022 10:52:42 -0800 (PST) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.gmail.com with ESMTPSA id k16sm28170462pfu.140.2022.02.11.10.52.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Feb 2022 10:52:41 -0800 (PST) From: Kevin Hilman To: "shunzhou.jiang@amlogic.com" , linux-arm-kernel , linux-amlogic , linux-kernel Cc: Neil Armstrong , jbrunet , Martin Blumenstingl , "jianxin.pan" Subject: Re: Re: [PATCH 2/2] soc: s4: Add support for power domains controller In-Reply-To: <2022021117375354230910@amlogic.com> References: <20220126061018.705338-1-shunzhou.jiang@amlogic.com> <20220126061018.705338-3-shunzhou.jiang@amlogic.com> <7hzgnal5yu.fsf@baylibre.com> <202202091001287547451@amlogic.com> <7hee4bok8w.fsf@baylibre.com> <2022021117375354230910@amlogic.com> Date: Fri, 11 Feb 2022 10:52:41 -0800 Message-ID: <7hwni1me12.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220211_105243_577378_512B061C X-CRM114-Status: UNSURE ( 8.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi Shunzhou, "shunzhou.jiang@amlogic.com" writes: > Hi Kevin: > Thanks your kindly reply You're welcome. For future reference, please avoid top-posting. See: https://www.kernel.org/doc/html/latest/process/2.Process.html?highlight=top-posting#mailing-lists > For those domains, default is active, we hope not close when in use or not in use, in our case, > only runtime PM (include suspend) control this, so set always on flag to avoid domain shutdown, my question remains: why do want to keep these powered on even when they are not in use? The goal of the power-domain framework + runtime PM is to be able to save power by turnin off power domains when they are not in use. > if you also have concern, we can control this not in kernel, but this not our expect. My strong preference is that this is controlled by the kernel. Kevin _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic