From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757033AbcBIP25 (ORCPT ); Tue, 9 Feb 2016 10:28:57 -0500 Received: from mout.kundenserver.de ([212.227.126.131]:53473 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755923AbcBIP2z (ORCPT ); Tue, 9 Feb 2016 10:28:55 -0500 From: Arnd Bergmann To: Joao Pinto Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, CARLOS.PALMINHA@synopsys.com Subject: Re: [PATCH] link up validation moved to pcie-designware Date: Tue, 09 Feb 2016 16:28:38 +0100 Message-ID: <3127323.7iUuBrk8dh@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <56B8C6C7.9060105@synopsys.com> References: <2817924.61jZWIvqjt@wuerfel> <56B8C6C7.9060105@synopsys.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:byrZl5EocIG9/sUvwqeIrgFf1QusBJEG09okq81GBtbsdU8O3XY 42vonHOb0BV1xMx5VkollbW4oySMHGNBhuqVIdNY7ktW6I76mux1EIA4SPcMSk05HJqJEWQ eF7QNZXz9khYj8g0AjcS+DU95tPyS3UjajnviWuIPvOoPB0tksPuvVPfaaymWipNXy7ql3q GTPZk7yq90/Aiel38eIGQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:4HR5sZh9/AM=:3Uf9KkNZluCv2oJzK/SKQ3 Lovcb0aoX3qI3OjZZjpZQ48Aam883a/JNZEPl9KLzhVoZ8m0T4WB7ATEKlY3xj+KvqhBV1z4/ w2OxiTWh58AMOBeMFENX9TLlNmoWA5LkuIaokk7rfb9XQFD3gKdmSMMtbEqNMjR+wFrln7O2t KbMXYdOKDGaabcQMwqupt9yXfM9/mfOSU4ZafSCz1+iIl3Z5DCxjMsg9/PJw7YRiLXlRQyPo2 FyVCZlTn7wU7mH22rp12Ap8IMXzLjLNU+FApkYCJ4cL9QgIoSuvfFcDg6BqiUQU4dleI6vg1z zwxJjYo+lGPE/Iij/8w4S5VBsABT6AJ1ASdeC4JbZp26aVszfNd1WuIXEokZ+v/A/o3TccVek xnd0T00e3TERe1tB6ZgFMrMfopa+he+AYzwpzypm04xd+FVNfwPf6nuCqCAYSA5kpcLTGypaZ VdlsZlWtXLCIWhKVfTRJPwnUweu35ECOLrfY3pRB6APLJtdEsYaLJQLqbBDDTuR4c0KGJ1t8q F2iA4psxY7wTDhWJKZa1JxWnkiQKUdKVdPLZYdtpIPUj4RkypGEHQOy7qkgnK0OmSZokC4oD3 BYO/lV+gqwCp/Pqu/8+wHm9OyJKzuFvntNvT/B47YWMuwboHaifENE+e5eUVRfCKgw7es1Azb etk6qB0R4ROswHOOGRSUPZGXIvQZS963DQlI0EkLt3JPuOEd9Qoj82QhwaFSPkRNG61fQeltO LU8cPxFjMnxtSQ2M Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 08 February 2016 16:48:07 Joao Pinto wrote: > On 2/8/2016 4:46 PM, Arnd Bergmann wrote: > > On Monday 08 February 2016 16:43:33 Joao Pinto wrote: > >> Hi, > >> Ok, so what should be the retries and waiting time in your opinion? > >> The most typical is: > >> > >> retries: 10 > >> delay: 100ms (usleep_range (90000, 100000)) > >> > >> These values should be ok? > >> > >> I am already testing a full pcie-designware platform driver. > >> > >> > > You are the one with the datasheet, not me. > > Our reference driver follows the 10x with 100ms delay between retries, so lets > follow that value. Agree? > I wouldn't trust the reference driver too much, better follow whatever the hardware specifications says. Arnd