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Fri, 3 Apr 2020 02:37:49 -0700 Received: from [172.30.17.108] by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1jKIlo-00064W-P1; Fri, 03 Apr 2020 02:37:48 -0700 Subject: Re: [PATCH 0/7] serial: uartps: Revert dynamic port allocation To: Greg KH , Michal Simek Cc: johan@kernel.org, linux-kernel@vger.kernel.org, monstr@monstr.eu, git@xilinx.com, Jiri Slaby , linux-arm-kernel@lists.infradead.org, linux-serial@vger.kernel.org References: <20200403093216.GA3746303@kroah.com> From: Michal Simek Message-ID: Date: Fri, 3 Apr 2020 11:37:46 +0200 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: <20200403093216.GA3746303@kroah.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;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapsmtpgw01;PTR:unknown-60-83.xilinx.com;CAT:NONE;SFTY:;SFS:(10009020)(4636009)(346002)(376002)(39860400002)(396003)(136003)(46966005)(8936002)(336012)(110136005)(31686004)(31696002)(9786002)(36756003)(2616005)(426003)(82740400003)(8676002)(5660300002)(2906002)(47076004)(70206006)(478600001)(26005)(44832011)(4326008)(70586007)(316002)(356004)(81166006)(81156014)(966005)(4744005)(186003);DIR:OUT;SFP:1101; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8146496c-1f80-46e9-7300-08d7d7b2b0e2 X-MS-TrafficTypeDiagnostic: DM5PR0201MB3528: 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:8882; X-Forefront-PRVS: 0362BF9FDB X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Apr 2020 09:37:56.7885 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8146496c-1f80-46e9-7300-08d7d7b2b0e2 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: DM5PR0201MB3528 Sender: linux-serial-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On 03. 04. 20 11:32, Greg KH wrote: > On Fri, Apr 03, 2020 at 11:24:29AM +0200, Michal Simek wrote: >> Hi, >> >> there were several changes done in past in uartps drivers which have been >> also done in uartlite driver. >> Here is the thread about it >> https://lore.kernel.org/linux-serial/20191203152738.GF10631@localhost/ >> >> This series reverts all patches which enabled dynamic port allocation and >> returning driver to the previous state. There were added some features in >> meantime which are not affected by this series. > > Should this go into 5.7-final as it's causing problems now, and > backported as well? Or can it wait until 5.8-rc1? These patches have been added to v4.20. It means all version from that are affected. The issue I am aware of is when you setup stdout-path = "serialX:115200n8" where X is not 0. But as was discussed the concept is based on Johan wrong that's why it can be consider as bug fix. Thanks, Michal