From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Landley Date: Wed, 15 Apr 2020 23:21:01 +0000 Subject: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence Message-Id: <67d1a3a0-a160-f707-b7c5-ba610a3f76c8@landley.net> List-Id: References: <1585333048-31828-1-git-send-email-kazuhiro.fujita.jg@renesas.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Geert Uytterhoeven , "Lad, Prabhakar" Cc: Prabhakar Mahadev Lad , Kazuhiro Fujita , Greg Kroah-Hartman , Jiri Slaby , "open list:SERIAL DRIVERS" , Linux-Renesas , Linux Kernel Mailing List , Hao Bui , KAZUMI HARADA , Sasha Levin , Chris Brandt , Magnus Damm , Linux-sh list , John Paul Adrian Glaubitz On 4/15/20 7:36 AM, Geert Uytterhoeven wrote: >> Let's wait a bit, we're in the middle of the merge window anyway. >> Probably we can get it tested on SuperH during the coming weeks. > > Anyone with a real (not qemu) SuperH system who can do the basic "stty evenp" > tests above, and report back to us? > Thanks a lot! The j-core boards use either uartlite or 16550a for serial, and neither of my legacy sh4 boxes is easily accessible right now. But if nobody manages to test this before next merge window poke me and I can set one up. Rob 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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 9CE46C2BA19 for ; Wed, 15 Apr 2020 23:15:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77CED20732 for ; Wed, 15 Apr 2020 23:15:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=landley-net.20150623.gappssmtp.com header.i=@landley-net.20150623.gappssmtp.com header.b="F35xhtgP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388673AbgDOXPP (ORCPT ); Wed, 15 Apr 2020 19:15:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388353AbgDOXPI (ORCPT ); Wed, 15 Apr 2020 19:15:08 -0400 Received: from mail-oo1-xc41.google.com (mail-yw1-xc41.google.com [IPv6:2607:f8b0:4864:20::c41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66064C061A10 for ; Wed, 15 Apr 2020 16:15:08 -0700 (PDT) Received: by mail-oo1-xc41.google.com with SMTP id b17so265825ooa.0 for ; Wed, 15 Apr 2020 16:15:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=landley-net.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=3OjUG2BuSmqAZb0WXRtXD4dSg3ZpvowTxplHgaVM3Q8=; b=F35xhtgPpx/jIbkJJBdV5g5+ruNOIXKelQQyX5bbrTqVnC7gIyw7HrbOzu3enHe323 sFh/bnS27E/omhCaw3SCfbMWoJSFeUQFPCmwybIdj/Q6kAkzUGA5GqDzLPUCYJkgaK60 YUzH1qXFrk8Hl+LTNeS1g3snqHA6YPHoqMUETupiyQq6He/GVwNeYMbC/+XOUEjIheHx prQCsPkvd5m7qWUcj9ByTl9O+MQYBgcDHCdvJF0ifM2LIRt7ZUQEBF+XifKq05a0jumF Z59n5r7F1PhddLmxE5Nb8oZa2Xj6Bd+y2gvlnhlQOzm9foLtxRLQ07xOLRDmBpBVoTc/ L8pQ== 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=3OjUG2BuSmqAZb0WXRtXD4dSg3ZpvowTxplHgaVM3Q8=; b=Sk+Mpe8QWtF/CO11MMoyTItwBwDVQPqZ8uMZ+lg1a8sJ6YO5DnKxYs99e5L64trkR2 97s47FZsopGBS6B2DS6JWX4YH8Kn/WBDPGivwlKEYNGQfo4GoEqfHOBtgl39tDMuhiAm LJ08gtdLPJTdMlCqNFZ6JZK8MwQcSq1bP8Qe2qXctTPjJLu2AQcpMx75hCApoY+BQCgE ur7SxhQ50iFrJp49iywtIz8nO/g3pl5hn9xKkgoaaKuNA7QClwaU2yXIU6LTKFewAzn2 5Me/2SM10wYZtQuxbMtqAkgaUOf/yJRAnTkPnjXE40e/H5xkup/VR1a/zQgtGq6gvaCy U9Ng== X-Gm-Message-State: AGi0PubIEZatpbebTyiHpDDYTafjyLuTnFrSbF1O79//WB3TF2XnifkR 2UkFq7778gH3s1hG+V33qaJK9A== X-Google-Smtp-Source: APiQypJX4BQ8dde+gIq4uYB2s5OItvEplprtWtCefc9av8Gy6HUjt41wXcWpqBb6biLoaS77Egd/0g== X-Received: by 2002:a4a:874f:: with SMTP id a15mr14836132ooi.8.1586992507739; Wed, 15 Apr 2020 16:15:07 -0700 (PDT) Received: from [192.168.86.21] ([136.62.4.88]) by smtp.googlemail.com with ESMTPSA id o23sm7330628oos.36.2020.04.15.16.15.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Apr 2020 16:15:07 -0700 (PDT) Subject: Re: [PATCH] serial: sh-sci: Make sure status register SCxSR is read in correct sequence To: Geert Uytterhoeven , "Lad, Prabhakar" Cc: Prabhakar Mahadev Lad , Kazuhiro Fujita , Greg Kroah-Hartman , Jiri Slaby , "open list:SERIAL DRIVERS" , Linux-Renesas , Linux Kernel Mailing List , Hao Bui , KAZUMI HARADA , Sasha Levin , Chris Brandt , Magnus Damm , Linux-sh list , John Paul Adrian Glaubitz References: <1585333048-31828-1-git-send-email-kazuhiro.fujita.jg@renesas.com> From: Rob Landley Message-ID: <67d1a3a0-a160-f707-b7c5-ba610a3f76c8@landley.net> Date: Wed, 15 Apr 2020 18:21:01 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/15/20 7:36 AM, Geert Uytterhoeven wrote: >> Let's wait a bit, we're in the middle of the merge window anyway. >> Probably we can get it tested on SuperH during the coming weeks. > > Anyone with a real (not qemu) SuperH system who can do the basic "stty evenp" > tests above, and report back to us? > Thanks a lot! The j-core boards use either uartlite or 16550a for serial, and neither of my legacy sh4 boxes is easily accessible right now. But if nobody manages to test this before next merge window poke me and I can set one up. Rob