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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED 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 A8D81C10F00 for ; Mon, 25 Feb 2019 15:13:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76E0020C01 for ; Mon, 25 Feb 2019 15:13:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dWvoI4cx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727591AbfBYPNd (ORCPT ); Mon, 25 Feb 2019 10:13:33 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:38686 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726675AbfBYPNd (ORCPT ); Mon, 25 Feb 2019 10:13:33 -0500 Received: by mail-pf1-f195.google.com with SMTP id n125so4646418pfn.5; Mon, 25 Feb 2019 07:13:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=mrfO67nbav+CIhQN9ZK3QikqwKUUWTdGL5TK8vZgYAU=; b=dWvoI4cxZtHhe50aEbO0BedwzVYX6gO3n1dyBbhdlWl6VOzK62LkaVj7tyyCIlaSW+ J5JeJi7o5QRYcxzcWSQeQXE7wOrMG7OhRVAIN3GqITGYn526eHPTktlCJ/zD/sPmAvtL bkeL45M5iQEVuXI1ASPevhJDN5rmah+elb1v9fvOqH/FqItKB1XY6xNk3E2NkFWmBfpd 0X8fryS2RflDyszJHGYH+J8Qcues03x+FFKv4g7Zdecdmk7fA5hWZSCZhBJjxo756fPZ ijXZ1jT3KBpJKlOm37oz36duCr/F4EUvSG3QlTJOTvO1BpWJKnKZF6u3LJ/CbSNsYJcs RaRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=mrfO67nbav+CIhQN9ZK3QikqwKUUWTdGL5TK8vZgYAU=; b=hXdsLHFgdwYCPDAs/47E7sVQFJUvE3RCdR/nAski1m1jHXuJTSFdvu4bp8vwZ57Wc6 tHeonBBtlG6v3hubbbOmMijuvjCXlxDwoexCWkICbYOz7FbuLcB0UEzCZ6LcYjqTDgo5 BB0G2J/8Il1yCVZr7ApPkihIcHLpt5MMNnHO9p1TLyoj9Z9nLELomxVd9O4aKYvRpCZa D+6m6d6GvOMbNovgwWN4EqeTU3bPc3b6Xay6cZLf28oFP/5gceGaAgq+xwjlKbjOjakP ZfxDlVKwZMdkXT+TOI8h2vKxMxpA9MA0YZ81wpReoYJucyIuLwVZyE+CnHGd7Gll/6av Ywdw== X-Gm-Message-State: AHQUAuYkiCgUp9xKc1mqU5/fl70Ij9VHM454Vb1pgCarOQGOXm4UcFXz 7z+nRZPXPwcajVS/75G0G+gciQYc X-Google-Smtp-Source: AHgI3IZptuZzOsUP8/83IDgrSV6Xj0jd9wgQy6xyVSA/FuDTSvKi2nioUcqGTkGY/FOPya1i377lSg== X-Received: by 2002:a63:8441:: with SMTP id k62mr18568698pgd.219.1551107612272; Mon, 25 Feb 2019 07:13:32 -0800 (PST) Received: from [192.168.2.145] (ppp91-79-175-49.pppoe.mtu-net.ru. [91.79.175.49]) by smtp.googlemail.com with ESMTPSA id t23sm7349910pfa.111.2019.02.25.07.13.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Feb 2019 07:13:31 -0800 (PST) Subject: Re: [PATCH] ARM: tegra: enforce PM requirement To: Sameer Pujar , linux@armlinux.org.uk, jhogan@kernel.org Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <1549365418-26283-1-git-send-email-spujar@nvidia.com> From: Dmitry Osipenko Message-ID: Date: Mon, 25 Feb 2019 18:13:23 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <1549365418-26283-1-git-send-email-spujar@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 05.02.2019 14:16, Sameer Pujar пишет: > Drivers need to handle !PM case with work arounds for managing clocks > and power explicitly, which is not really necessary when PM support on > tegra is in good shape. In fact ARM 64-bit tegra platforms enforce PM Tegra > support and there is no reason why this cannot be done for 32-bit. > > This patch selects PM unconditionally and drivers can rely on runtime > PM framework for clock and power management. > > Signed-off-by: Sameer Pujar > Reviewed-by: Thierry Reding > Reviewed-by: Jonathan Hunter > --- You probably should explain in the commit message what driver need this right now and why.