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Tue, 19 Nov 2019 22:47:53 -0800 Received: from xsj-pvapsmtp01 (smtp.xilinx.com [149.199.38.66]) by xsj-smtp-dlp2.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id xAK6llBk027319; Tue, 19 Nov 2019 22:47:48 -0800 Received: from [172.30.17.107] by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1iXJmF-0004BZ-Mo; Tue, 19 Nov 2019 22:47:47 -0800 Subject: Re: [PATCH] phy: mdio_bus: Check ENOTSUPP instead of ENOSYS in mdiobus_register_reset To: Florian Fainelli , Michal Simek , linux-kernel@vger.kernel.org, monstr@monstr.eu, git@xilinx.com Cc: Andrew Lunn , "David S. Miller" , Heiner Kallweit , netdev@vger.kernel.org References: <8712e54912598b3ca6f00d00ff8fbfdd1c53e7e8.1574170028.git.michal.simek@xilinx.com> <99a8ea54-9a27-9e0a-9aaa-8aeef7feabe2@gmail.com> From: Michal Simek Message-ID: <3435da8a-6942-d292-c901-df1bd7fb5d94@xilinx.com> Date: Wed, 20 Nov 2019 07:47:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <99a8ea54-9a27-9e0a-9aaa-8aeef7feabe2@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(346002)(39860400002)(396003)(376002)(136003)(189003)(199004)(186003)(14444005)(478600001)(486006)(70206006)(2486003)(44832011)(966005)(4744005)(58126008)(316002)(2906002)(50466002)(23676004)(8676002)(6636002)(8936002)(36386004)(31696002)(4326008)(70586007)(6306002)(110136005)(31686004)(76176011)(305945005)(54906003)(106002)(81166006)(81156014)(356004)(426003)(336012)(36756003)(26005)(476003)(229853002)(47776003)(65956001)(446003)(65806001)(230700001)(6246003)(2616005)(11346002)(9786002)(53546011)(126002)(5660300002);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR02MB3973;H:xsj-pvapsmtpgw01;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-83.xilinx.com;MX:1;A:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 1496eb9a-8d26-4448-de99-08d76d8594dc X-MS-TrafficTypeDiagnostic: BYAPR02MB3973: X-MS-Exchange-PUrlCount: 1 X-LD-Processed: 657af505-d5df-48d0-8300-c31994686c5c,ExtAddr X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:327; X-Forefront-PRVS: 02272225C5 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 09r8u3uxM9m+ZywnCgoUONYsVwy2avbatkXGFj3KXIJ5rjfJYGkquz1HtdJN1N7TMoDLWK9UYfNOaQwblmTKuwpOZ+C2almP40tH8uKBLUQ+gUcw3yD1xLyHT1cQxnY/aNsqcv/xN7PMzLIYsUjkOa6EbNgzNtnrnQqKKg1u6sNTkHurreKgz4kFOcnA7r5WGGBdSNlu0H6IPWakW9wknNdSO9q6Lwns1U7Jdu8X3Hxw1ifEDpXP1Y83z15MvnvvwTOLPj9R0Za6RhUTxPehEeK185wV740PAvAJun4xWyDPmIRWxQjRbHPgs3AccRyA7STCdo9OtoxEEjsl6Z1fKA6PJb59AbMbhhWkW/CGBGjMucnTn5L2L23+5eN5EycbYRjjZJR5HYzK5v3XLstVpmqtJLa2bYOf+7Y0OjpXpUCeEiu0eQ8FN8regX6z2lWeXH5/ALbMu1bFyD6gj2KLwuV1nVoje/OcIdpqTNr5yUc= X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Nov 2019 06:47:59.0043 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1496eb9a-8d26-4448-de99-08d76d8594dc X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR02MB3973 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19. 11. 19 19:04, Florian Fainelli wrote: > On 11/19/19 5:27 AM, Michal Simek wrote: >> Origin patch was using ENOTSUPP instead of ENOSYS. Silently changing error >> value ends up in an access to bad area on Microblaze with axi ethernet >> driver. >> >> Fixes: 1d4639567d97 ("mdio_bus: Fix PTR_ERR applied after initialization to constant") >> Signed-off-by: Michal Simek > > This has been fixed in the "net" tree already: > > https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=075e238d12c21c8bde700d21fb48be7a3aa80194 > Works for me. Thanks, Michal