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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 753CBC433EF for ; Tue, 7 Dec 2021 16:29:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234945AbhLGQdD (ORCPT ); Tue, 7 Dec 2021 11:33:03 -0500 Received: from elvis.franken.de ([193.175.24.41]:35240 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229531AbhLGQdD (ORCPT ); Tue, 7 Dec 2021 11:33:03 -0500 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1mudLO-0003YB-01 for linux-mips@vger.kernel.org; Tue, 07 Dec 2021 17:29:30 +0100 Received: by alpha.franken.de (Postfix, from userid 1000) id 087AAC4DFD; Tue, 7 Dec 2021 17:29:20 +0100 (CET) Date: Tue, 7 Dec 2021 17:29:19 +0100 From: Thomas Bogendoerfer To: linux-mips@vger.kernel.org Subject: Loongson3 PCI/EHCI Message-ID: <20211207162919.GB19327@alpha.franken.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hi, I'm getting lots of [ 2.940587] pci 0000:00:04.1: EHCI: unrecognized capability ff [ 2.946478] pci 0000:00:04.1: EHCI: unrecognized capability ff [ 2.952374] pci 0000:00:04.1: EHCI: unrecognized capability ff [ 2.958270] pci 0000:00:04.1: EHCI: unrecognized capability ff [ 2.964166] pci 0000:00:04.1: EHCI: unrecognized capability ff [ 2.970062] pci 0000:00:04.1: EHCI: unrecognized capability ff while booting on a Loongson-3A R4 (Loongson-3A4000) @ 1800MHz system. What I'm missing ? I'm also seeing [ 1.222546] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 m ay corrupt adjacent RW1C bits [ 1.232314] pci_bus 0000:00: 2-byte config write to 0000:00:00.0 offset 0x4 m ay corrupt adjacent RW1C bits which look suspicous... Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]