Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp766307ybe; Thu, 19 Sep 2019 03:31:14 -0700 (PDT) X-Google-Smtp-Source: APXvYqyOpVqsc4tUoaeHFLSFsbW3mrMtQ7k7+wr7qTTdGUjR+w+sHK50PpQF/KICcf1/B10t/rIR X-Received: by 2002:a17:906:6d4:: with SMTP id v20mr13460975ejb.223.1568889074243; Thu, 19 Sep 2019 03:31:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568889074; cv=none; d=google.com; s=arc-20160816; b=i8PZSuPaaGkc2+0hQWjMqixu2BNWkBXnlMnG/G4JvIu33bFJakKkZKE/qiRTFFmYyq TDj3gBQB3HyTdI0oipD0gLBB/7R5s8chXKLdHhNWZdH+pSKqaSgV3ZriM3yZhCOzPsHy a/G2plhQCCNJ98f4u6hQlPLe8PfgpNloZQf//F1BD+W1/EJs13d4NalgjF5Ge8CQMXXU b62WnZJ3/6aN3KW2A5Bdlm3IvxDQk8gVSgfCP+SdmR9qCgEyEaOw/0KEo8f/1JgUDZ6G t5KhjvJFs/fU5J+iBRzH2YRgWBMH9q0LArXjoT5q+YulJS0wxUPlGfb+fwTesbgy5kHu EN6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:organization:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=Bcfg94bTFBT37oskX4o1LnvQI/6ktwcb0VcF+mBXaRo=; b=JVbX6bvdTz0CzjXF9aq5XebenRUpsw1C5xntkdVL3PUTBcgzu36fGSK/3Q37oLo9Rl MKbyhPcAZPAK6ckUB60fzKOKeyVkP3Prwq7yK8Mi04HXR6UMUUgmvZ6uf3A/TFqrCdrF 1YmB/43m0V/1e8JIGdKoBfOPb2CEBsoXyOUk5iuThInQRRKhufp1pEZ0XdCDVHuSKos0 sHRGNi2ATzH4KnD7a2eYkA9bxGE4hTLPT48nlKgZoD12Mg+BOMLOtTAOqG7DpHAbCQyF 0K/UMF5LomoUBTA2Xjsz3ZzxCpw2c2b/ptW+g2WDt8XgvNVANHL9RJ8H146H2hf0jy9C 61rA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d17si4573790edv.76.2019.09.19.03.30.50; Thu, 19 Sep 2019 03:31:14 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731833AbfISG56 (ORCPT + 99 others); Thu, 19 Sep 2019 02:57:58 -0400 Received: from mga11.intel.com ([192.55.52.93]:5135 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725954AbfISG55 (ORCPT ); Thu, 19 Sep 2019 02:57:57 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Sep 2019 23:57:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,522,1559545200"; d="scan'208";a="202226818" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga001.fm.intel.com with SMTP; 18 Sep 2019 23:57:51 -0700 Received: by lahna (sSMTP sendmail emulation); Thu, 19 Sep 2019 09:57:49 +0300 Date: Thu, 19 Sep 2019 09:57:49 +0300 From: Mika Westerberg To: Bjorn Helgaas Cc: "Rafael J. Wysocki" , Len Brown , Lukas Wunner , Keith Busch , Alex Williamson , Alexandru Gagniuc , Kai-Heng Feng , Matthias Andree , Paul Menzel , Nicholas Johnson , Justin Forbes , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] PCI: Add missing link delays required by the PCIe spec Message-ID: <20190919065749.GD28281@lahna.fi.intel.com> References: <20190821124519.71594-1-mika.westerberg@linux.intel.com> <20190824021254.GB127465@google.com> <20190826101726.GD19908@lahna.fi.intel.com> <20190826140712.GC127465@google.com> <20190826144242.GA2643@lahna.fi.intel.com> <20190826220502.GD127465@google.com> <20190827092542.GB3177@lahna.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190827092542.GB3177@lahna.fi.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Bjorn, On Tue, Aug 27, 2019 at 12:25:47PM +0300, Mika Westerberg wrote: > Here are the relevant parts from ICL. I'll send you the full dmesg as > a separate email. The topology is such that I have 2 Titan Ridge devices > connected in chain (each include PCIe switch + xHCI). I wait for the > whole hierarchy to enter D3cold: Did you had time to check the log I sent you? Also how should we proceed with this patch? I can update it according to comments and send a new version after v5.4-rc1 is released. Of course unless you have better way we can fix this issue. Thanks!