From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752757AbaI3TNK (ORCPT ); Tue, 30 Sep 2014 15:13:10 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:57016 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750901AbaI3TNH (ORCPT ); Tue, 30 Sep 2014 15:13:07 -0400 Message-ID: <542B00C1.3010702@codeaurora.org> Date: Tue, 30 Sep 2014 12:13:05 -0700 From: Stephen Boyd User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Bjorn Andersson CC: Srinivas Kandagatla , Kumar Gala , "devicetree@vger.kernel.org" , "broonie@kernel.org" , "lee.jones@linaro.org" , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Russell King , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "arm@kernel.org" , "linux-arm-msm@vger.kernel.org" Subject: Re: [PATCH 1/4] ARM: DT: apq8064: add rpm support References: <1411982044-7873-1-git-send-email-srinivas.kandagatla@linaro.org> <1411982092-7922-1-git-send-email-srinivas.kandagatla@linaro.org> <5429DA95.80505@codeaurora.org> <20140930050203.GG28481@sonymobile.com> <542AF5FE.1000006@codeaurora.org> <20140930190023.GS28481@sonymobile.com> In-Reply-To: <20140930190023.GS28481@sonymobile.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/30/14 12:00, Bjorn Andersson wrote: > > Hmm, seems I got that wrong, sorry about that. > > But do you mean "all wrong" as in that I use the wrong bit or to some greater > extent? Currently all following requests should timeout, but maybe we should > have a faster fail-path when we've hit this point? Yes. We just ack the interrupt and go on happy to keep allowing clients to request things. I'd rather see us blow up or start failing requests, or maybe both. > > From a practical pov I guess that once the rpm starts returning errors on > updates to regulators, root clocks and bus scaling then most of the system is > becoming useless. Right. Rebooting will be required fairly soon. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation