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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 4CAA2C43381 for ; Wed, 27 Feb 2019 06:14:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 15F91218D9 for ; Wed, 27 Feb 2019 06:14:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="AE3fusPI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729873AbfB0GOz (ORCPT ); Wed, 27 Feb 2019 01:14:55 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:7001 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726889AbfB0GOz (ORCPT ); Wed, 27 Feb 2019 01:14:55 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 26 Feb 2019 22:14:54 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 26 Feb 2019 22:14:54 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 26 Feb 2019 22:14:54 -0800 Received: from [10.24.44.186] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 27 Feb 2019 06:14:52 +0000 Subject: Re: [PATCH v2] ARM: tegra: enforce PM requirement To: Dmitry Osipenko , , CC: , , References: <1551169537-17548-1-git-send-email-spujar@nvidia.com> <86293ce9-fb0d-3412-df9a-0ff380ab2eb6@gmail.com> From: Sameer Pujar Message-ID: Date: Wed, 27 Feb 2019 11:44:50 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <86293ce9-fb0d-3412-df9a-0ff380ab2eb6@gmail.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL104.nvidia.com (172.18.146.11) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: quoted-printable Content-Language: en-GB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1551248094; bh=Eb39lkOCkuavddsMzGvmWQ4pyOpLz3N6P0bsZKf4xfo=; h=X-PGP-Universal:Subject:To:CC:References:From:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Transfer-Encoding: Content-Language; b=AE3fusPIUva1bWDWYnhCgpkNynUbbh3Lv3a8q58Gs/tLE9JW5zcMkNB1NT5hCrkRj mkP2fe0CtQX7uomu5Om8Qzb6vOJCW2X3HocKpKj6R58zC8qLVNyxcEe+UmuBmA8p+c 2JADyrZYJLMgkukKhknHlEt8zHzSxlLEAZZErVWXCquJj4cAIyDGfIOSr9SbEv/R5G /gwD43rnEAmXAg8efawx3d2PI1g9YjELpbNyGC/iLO2Uqh14JIk1GKaKn1XPcGcaVg vohspHEFa6iV9L/AiuV5ca3ipKdiYbeCMgmJX4G15U79q30VR7w1jF72KzaX1DrVyY 2OLE8ZqRTfqCA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2/26/2019 8:16 PM, Dmitry Osipenko wrote: > 26.02.2019 11:25, Sameer Pujar =D0=BF=D0=B8=D1=88=D0=B5=D1=82: >> The requirement for this came while adding runtime PM support for HDA >> driver. There were concerns about driver explicitly handling !PM case. >> In general, 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 support and there is no reason why this cannot be >> done for 32-bit. >> >> More details with regards to above can be found in following patch, >> http://patchwork.ozlabs.org/patch/1036645/ > I think you meant this: https://patchwork.ozlabs.org/patch/1031007/ my bad! Thanks for pointing.