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=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 D7BD8C2B9F4 for ; Fri, 25 Jun 2021 18:34:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6F9416191B for ; Fri, 25 Jun 2021 18:34:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F9416191B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org 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:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=HN1AlH0Urah8noa/IgP2UJk4xq5cX2qNN7hGvuqiHRw=; b=h99zUZExoaFEOj2o2SnFQwIXAp M2yC//0JCsEakyO4et32W9wAJ0/vkpbaBnRxp5wf1/SiI3HobPmO8K4ZODX82MkbAEhK1FnmQ6S6/ QDXyBx7tLi1xJcORePDmwCAZJaQxUwE8R0mNzkI+ImWb4CY9TRVoR4LyeyHSfu3kP3mC6P1HkEwds WbFneXId/llxUgwXrzG4TFpEHhQdlDuqjKescRTQ+eQ5HULuXd7PZoGCZryY5C5yDLhJq3gSOzWh+ ETCm+AXQ2QWdsd+XQ3JVopN7nqwhvqAKEnEibOt8muKJrk7XDRFYgeLORwoYlyOCv57/sbCbuD8at uNizynDg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwqf8-002aXe-N6; Fri, 25 Jun 2021 18:34:46 +0000 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lwqf6-002aWm-H9 for linux-rockchip@lists.infradead.org; Fri, 25 Jun 2021 18:34:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1624646082; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=w3d5QmgQTedbMfqNV9W2ZCvpWHRikHJ8lDKHWRxFQVI=; b=RKn1ebVoFNeri2oe1l2Ua/M0xw3Yo4SoFjGu07Q9Pq7cXkavzo6Hd6UVMik+0rdX4LSmJ3 8G3mi0rJrR9QnGRtEH1rcRn/DQfN+pP9CbHJeGn1F2d0seP+Jd5wfoxLkULacJq55b3vcF 65+U/23yjX1iz/kLi13ia8ucKbuWTac= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-399-tMbfa-XwOIGBo5Xe-zzL6Q-1; Fri, 25 Jun 2021 14:34:41 -0400 X-MC-Unique: tMbfa-XwOIGBo5Xe-zzL6Q-1 Received: by mail-wm1-f70.google.com with SMTP id j18-20020a05600c1c12b02901dce930b374so3023701wms.2 for ; Fri, 25 Jun 2021 11:34:41 -0700 (PDT) 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=w3d5QmgQTedbMfqNV9W2ZCvpWHRikHJ8lDKHWRxFQVI=; b=nWUKXlmKO0QcZuEkx4SV7BZf4IQHRElC9QvqNYFoQTCdWa9go3sAjUQGferuoX3TTF BgVW0UNF9SVzUjFks+hwMVRcG2dY4nr6q+hvJxEAO+iBrBkozFU7/XFxiI2nhpJxsgNX iLP3eeFBoek3msOgaTOopwepVBWwA8TCe9agPOtD9W1tpWJr0yQ57rrKx+TKKiRYXqZA nNGWHc8hOnWa+ijvcXOEN3rtxPpf+XjL2Sik4O4QKg+mnKyGfwFYfMxntPwwBfl/EYdL vKU2DlKQdEYSwjJkvKoNF/XpUj09lD4Pw+bLxe7ymom3JV199Ae5l2/wGC4rtr6yPgXk dTOQ== X-Gm-Message-State: AOAM530NrcLhkaavMypEq2KGixKZ9wYECuQkdsxODO+pZxlV8kSP1tr2 rFaapHgzm7lOVkh98RRb1MvIbPvjFLPgqfDLndVyE64kU9qmZh1PqViaeZAXx1rCD7PRHztyS08 Mu76l2BHHx31A6EaCndQ5QdOJW1TgeCpX X-Received: by 2002:a5d:6646:: with SMTP id f6mr12558766wrw.399.1624646080370; Fri, 25 Jun 2021 11:34:40 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyxv71Y5qNrtRBtagkA7o6lXh3Ty2kHfWVl115v2RJg/5J5ugMGjArkWAQ76YYJB8G51G3pgA== X-Received: by 2002:a5d:6646:: with SMTP id f6mr12558747wrw.399.1624646080189; Fri, 25 Jun 2021 11:34:40 -0700 (PDT) Received: from [192.168.1.101] ([92.176.231.106]) by smtp.gmail.com with ESMTPSA id z4sm6834597wrs.56.2021.06.25.11.34.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Jun 2021 11:34:39 -0700 (PDT) Subject: Re: [PATCH v2] PCI: rockchip: Avoid accessing PCIe registers with clocks gated To: Bjorn Helgaas Cc: linux-kernel@vger.kernel.org, Peter Robinson , Shawn Lin , Bjorn Helgaas , Heiko Stuebner , Lorenzo Pieralisi , Rob Herring , linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org, Michal Simek , Ley Foon Tan , rfi@lists.rocketboards.org, Jingoo Han , Thierry Reding , Jonathan Hunter , linux-tegra@vger.kernel.org References: <20210625143235.GA3624355@bjorn-Precision-5520> From: Javier Martinez Canillas Message-ID: Date: Fri, 25 Jun 2021 20:34:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210625143235.GA3624355@bjorn-Precision-5520> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=javierm@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210625_113444_712567_031CBAE7 X-CRM114-Status: GOOD ( 20.92 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 6/25/21 4:32 PM, Bjorn Helgaas wrote: > On Fri, Jun 25, 2021 at 09:09:36AM +0200, Javier Martinez Canillas wrote: >> On 6/25/21 12:40 AM, Bjorn Helgaas wrote: > >>> I think this is also an issue with the following other drivers. They all >>> set the handler to something that uses an IRQ domain before they >>> actually initialize the domain: >> >> Yes, I agreed with your assessment and also noticed that others drivers have >> similar issues. I just don't have any of those platforms to try to reproduce >> the bugs and test a fix. > > Even if you don't have other platforms for testing, I'm thrilled when > folks point out issues with them and (given time and inclination) post > patches for them. > > I'd much rather fix *all* instances of the problem than just one, even > if we can't test them all. Frequently driver maintainers will review > and test patches for their hardware even if we can't. > Ok. I'll try to make some time next week to look at these drivers then and post at least RFC/RFT patches for people with available hardware to test the changes. Best regards, -- Javier Martinez Canillas Software Engineer New Platform Technologies Enablement team RHEL Engineering _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip