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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 06E32C43612 for ; Fri, 28 Dec 2018 20:02:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0AD420866 for ; Fri, 28 Dec 2018 20:02:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387908AbeL1UCd (ORCPT ); Fri, 28 Dec 2018 15:02:33 -0500 Received: from muru.com ([72.249.23.125]:59620 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726466AbeL1UCd (ORCPT ); Fri, 28 Dec 2018 15:02:33 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 3ADA080BF; Fri, 28 Dec 2018 20:02:37 +0000 (UTC) Date: Fri, 28 Dec 2018 12:02:29 -0800 From: Tony Lindgren To: Andreas Kemnade Cc: Stephen Boyd , Tero Kristo , bcousson@baylibre.com, letux-kernel@openphoenux.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, mturquette@baylibre.com, paul@pwsan.com Subject: Re: [PATCH v2 2/3] clk: ti: check clock type before doing autoidle ops Message-ID: <20181228200229.GY6707@atomide.com> References: <154356242517.88331.8496814814468751012@swboyd.mtv.corp.google.com> <9eb7b090-4803-d389-4112-3bf058385b2e@ti.com> <154356463284.88331.13323307899580657085@swboyd.mtv.corp.google.com> <20181130153729.GG53235@atomide.com> <154362191595.88331.15503578806026771935@swboyd.mtv.corp.google.com> <20181203153910.GA6707@atomide.com> <20181203172246.0e767a16@kemnade.info> <20181204164556.GB6707@atomide.com> <20181227211222.5996c356@aktux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181227211222.5996c356@aktux> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Andreas Kemnade [181227 20:13]: > Hi, > > On Tue, 4 Dec 2018 08:45:57 -0800 > Tony Lindgren wrote: > > > * Andreas Kemnade [181204 06:17]: > > > On Mon, 3 Dec 2018 07:39:10 -0800 > > > Tony Lindgren wrote: > > > > The consumer device stays active just fine with PM runtime > > > > calls. So yes, the problem is keeping a clock controller forced > > > > active for the period of consumer device reset. Other than > > > > that typically autoidle can be just kept enabled. > > > > > > > Are we still talking about the same problem? Maybe I am losing track > > > here. Just to make sure. > > > The patch series was about disabling autoidle for devices which cannot > > > work with it during normal operation. Not during reset or something > > > like that. > > > Or is the keep-clock-active-during-reset just a requirement for bigger > > > restructuring ideas? > > > > Yeah there are two issues: The fix needed for the issue you brought up, > > and also how to let a reset driver to block autoidle for reset. > > > Hmm, is this set now waiting for the famous "somebody" fixing all > the stuff? Well I think we're still waiting on Tero to comment on this. > What are currently visible symptoms for the driver not blocking > autoidle for reset? Maybe I can at least test something there. I have > also omap5 here. Oh that's just for making drivers/reset drivers to work in the long run. Let's keep that separate from these fixes.. Regards, Tony