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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 19493C433F5 for ; Wed, 23 Mar 2022 10:40:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ipXG78gJ7A/Vw+U9kEnfUJvJIk99gPhZK3l3k+Zm9ng=; b=WeeJqK1WL12vw7 GvL9Y+tq3X2V5ZA6qttxammZPVke8ad1KUQtsgCu2W4FFb9dRfG7G0Ep7+QT30/fVWaNmFENJMq9G rSLkInEUFwI7bFX6z+5+JGVBm0y2gXwsEDiUV17cPfQ2MorZ0FM+5Fq+qwsK6AOYuPL2aE22aHaL1 NljDVAHlIdugdGxjIxy1x4bqGqQBPbF1pxOCgWY2qKJeyNG6Be3IGNEfqBcuYpeaE5EajvYa2O4yD iC3BASa8dNkvz5kcsfw5WoM12vP/sdIRiU6mIFG+bVz3IoYc92IN+f1wdVS2gxYspQU+RYmbYhD+n lRsWS4djM2ObskHcvP4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nWyPm-00DLmb-5k; Wed, 23 Mar 2022 10:40:30 +0000 Received: from imap2.colo.codethink.co.uk ([78.40.148.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nWyPi-00DLjY-SK for linux-riscv@lists.infradead.org; Wed, 23 Mar 2022 10:40:28 +0000 Received: from cpc152649-stkp13-2-0-cust121.10-2.cable.virginm.net ([86.15.83.122] helo=[192.168.0.21]) by imap2.colo.codethink.co.uk with esmtpsa (Exim 4.92 #3 (Debian)) id 1nWyPV-0006wD-F7; Wed, 23 Mar 2022 10:40:13 +0000 Message-ID: Date: Wed, 23 Mar 2022 10:40:11 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [V3] PCI: fu740: Drop to 2.5GT/s to fix initial device probing on some boards Content-Language: en-GB To: Alexandre Ghiti , linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Bjorn Helgaas , Palmer Dabbelt , Rob Herring , Lorenzo Pieralisi , Greentime Hu , Paul Walmsley , "Maciej W. Rozycki" , David Abdurachmanov , Neill Whillans References: <20220318152430.526320-1-ben.dooks@codethink.co.uk> <2442936e-a53e-59bf-488f-95eac26d1252@ghiti.fr> <85e864fd-762e-0780-f829-bfbb178ab24e@ghiti.fr> From: Ben Dooks Organization: Codethink Limited. In-Reply-To: <85e864fd-762e-0780-f829-bfbb178ab24e@ghiti.fr> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220323_034026_921357_E5A9262C X-CRM114-Status: GOOD ( 15.17 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gMjMvMDMvMjAyMiAxMDozNiwgQWxleGFuZHJlIEdoaXRpIHdyb3RlOgo+IE9uIDMvMjEvMjIg MTQ6NDksIEFsZXhhbmRyZSBHaGl0aSB3cm90ZToKPj4gSGkgQmVuLAo+Pgo+PiBPbiAzLzE4LzIy IDE2OjI0LCBCZW4gRG9va3Mgd3JvdGU6Cj4+PiBUaGUgZnU3NDAgUENJZSBjb3JlIGRvZXMgbm90 IHByb2JlIGFueSBkZXZpY2VzIG9uIHRoZSBTaUZpdmUgVW5tYXRjaGVkCj4+PiBib2FyZCB3aXRo b3V0IHRoaXMgZml4IChvciBoYXZpbmcgVS1Cb290IGV4cGxpY2l0bHkgc3RhcnQgdGhlIFBDSWUg dmlhCj4+PiBlaXRoZXIgYm9vdC1zY3JpcHQgb3IgdXNlciBjb21tYW5kKS4gVGhlIGZpeCBpcyB0 byBzdGFydCB0aGUgbGluayBhdAo+Pj4gMi41R1QvcyBzcGVlZHMgYW5kIG9uY2UgdGhlIGxpbmsg aXMgdXAgdGhlbiBjaGFuZ2UgdGhlIG1heGltdW0gc3BlZWQgCj4+PiBiYWNrCj4+PiB0byB0aGUg ZGVmYXVsdC4KPj4+Cj4+PiBUaGUgVS1Cb290IGRyaXZlciBjbGFpbXMgdG8gc2V0IHRoZSBsaW5r LXNwZWVkIHRvIDIuNUdUL3MgdG8gZ2V0IHRoZSAKPj4+IHByb2JlCj4+PiB0byB3b3JrIChhbmQg VS1Cb290IGRvZXMgcHJpbnQgbGluayB1cCBhdCAyLjVHVC9zKSBpbiB0aGUgZm9sbG93aW5nIAo+ Pj4gY29kZToKPj4+IGh0dHBzOi8vc291cmNlLmRlbnguZGUvdS1ib290L3UtYm9vdC8tL2Jsb2Iv bWFzdGVyL2RyaXZlcnMvcGNpL3BjaWVfZHdfc2lmaXZlLmM/aWQ9djIwMjIuMDEjTDI3MSAKPj4+ Cj4+Pgo+Pj4gU2lnbmVkLW9mZi1ieTogQmVuIERvb2tzIDxiZW4uZG9va3NAY29kZXRoaW5rLmNv LnVrPgoKCltzbmlwXQoKPj4+IMKgIMKgIHN0YXRpYyBpbnQgZnU3NDBfcGNpZV9ob3N0X2luaXQo c3RydWN0IHBjaWVfcG9ydCAqcHApCj4+Cj4+ICtjYyBNYWNpZWogYW5kIERhdmlkIGFzIHRoZXJl IGlzIHRoaXMgb3RoZXIgZml4IHRoYXQgc2VlbXMgdG8gZG8gdGhlIAo+PiBzYW1lIGJ1dCBkaWZm ZXJlbnRseSwgaXQncyBiZWVuIHVuZGVyIHJldmlldyBmb3Igc29tZSB0aW1lIG5vdzogCj4+IGh0 dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC8yMDIyMDMwMjAwMDA0My5HQTY2MjUyM0BiaGVsZ2Fh cy90Lwo+PgoKSSBkaWQgaGF2ZSBhIHF1aWNrIGxvb2ssIGJ1dCBJIHRoaW5rIGJlY2F1c2Ugd2Ug ZG9uJ3QgZ2V0IGFueSBQQ0llCnByb2JpbmcgYXQtYWxsIHdlIGRvbid0IGV2ZW4gaGF2ZSBhIGRl dmljZSB0byBhdHRhY2ggdG8uCgo+PiBJIGZlbGwgb250byB0aGlzIGlzc3VlIHJlY2VudGx5LCBJ J2xsIGdpdmUgeW91ciBwYXRjaCBhbmQgdGhlIGFib3ZlIGEgCj4+IHRyeSBzb29uLgo+IAo+IAo+ IEZXSVcsIEkgaGF2ZSB0ZXN0ZWQgdGhpcyBhbmQgaXQgc29sdmVkIG15IGlzc3VlIHdpdGggbnZt ZSBub3QgYmVpbmcgCj4gcHJvYmVkLCBzbzoKPiAKPiBUZXN0ZWQtYnk6IEFsZXhhbmRyZSBHaGl0 aSA8YWxleGFuZHJlLmdoaXRpQGNhbm9uaWNhbC5jb20+CgpPaywgZ3JlYXQuIE91ciB0ZXN0IHJp ZyBzZWVtcyB0byBiZSBzdGlsbCB3b3JraW5nIHdpdGggdGhpcy4KCgotLSAKQmVuIERvb2tzCQkJ CWh0dHA6Ly93d3cuY29kZXRoaW5rLmNvLnVrLwpTZW5pb3IgRW5naW5lZXIJCQkJQ29kZXRoaW5r IC0gUHJvdmlkaW5nIEdlbml1cwoKaHR0cHM6Ly93d3cuY29kZXRoaW5rLmNvLnVrL3ByaXZhY3ku aHRtbAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlu dXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0 cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=