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Wed, 24 Jun 2020 08:23:57 +0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 05O8NtKW61538644 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Jun 2020 08:23:55 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 32518AE055; Wed, 24 Jun 2020 08:23:55 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C2AC2AE053; Wed, 24 Jun 2020 08:23:54 +0000 (GMT) Received: from oc3871087118.ibm.com (unknown [9.145.59.63]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 24 Jun 2020 08:23:54 +0000 (GMT) Date: Wed, 24 Jun 2020 10:23:53 +0200 From: Alexander Gordeev To: Christian Zigotzky Subject: Re: FSL P5020/P5040: DPAA Ethernet issue with the latest Git kernel Message-ID: <20200624082352.GA24934@oc3871087118.ibm.com> References: <56DB95B8-5F42-4837-ABA0-7E580FE04B73@xenosoft.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <56DB95B8-5F42-4837-ABA0-7E580FE04B73@xenosoft.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-24_04:2020-06-24, 2020-06-24 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 cotscore=-2147483648 clxscore=1011 bulkscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 priorityscore=1501 phishscore=0 mlxlogscore=958 impostorscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006240059 X-Mailman-Approved-At: Thu, 25 Jun 2020 07:08:15 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Darren Stevens , linuxppc-dev , "R.T.Dickinson" , mad skateman , Christian Zigotzky Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sun, Jun 21, 2020 at 08:40:14AM +0200, Christian Zigotzky wrote: > Hello Alexander, > > The DPAA Ethernet doesn’t work anymore on our FSL P5020/P5040 boards [1] since the RC1 of kernel 5.8 [2]. > We bisected last days [3] and found the problematic commit [4]. I was able to revert it [5]. After that the DPAA Ethernet works again. I created a patch for reverting the commit [5]. This patch works and I will use it for the RC2. > Could you please check your commit? [4] Hi Christian, Could you please check if the kernel passes CONFIG_TEST_BITMAP self-test? Thanks! > Thanks, > Christian > > [1] http://wiki.amiga.org/index.php?title=X5000 > [2] https://forum.hyperion-entertainment.com/viewtopic.php?p=50885#p50885 > [3] https://forum.hyperion-entertainment.com/viewtopic.php?p=50892#p50892 > [4] lib: fix bitmap_parse() on 64-bit big endian archs: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=81c4f4d924d5d009b5ed785a3e22b18d0f7b831f > [5] https://forum.hyperion-entertainment.com/viewtopic.php?p=50982#p50982 > >