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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by MWH0EPF000989EA.mail.protection.outlook.com (10.167.241.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7002.20 via Frontend Transport; Thu, 16 Nov 2023 07:29:39 +0000 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Thu, 16 Nov 2023 01:29:38 -0600 Received: from xhdsgoud40.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.32 via Frontend Transport; Thu, 16 Nov 2023 01:29:34 -0600 From: Manikanta Guntupalli To: , , , , , , , , , , , , CC: , , , , Manikanta Guntupalli Subject: [PATCH V3 1/2] Documentation: devices.txt: Update ttyUL major number allocation details Date: Thu, 16 Nov 2023 12:59:14 +0530 Message-ID: <20231116072915.3338387-2-manikanta.guntupalli@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231116072915.3338387-1-manikanta.guntupalli@amd.com> References: <20231116072915.3338387-1-manikanta.guntupalli@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000989EA:EE_|DM4PR12MB6662:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c0635d1-0fde-483a-ac6a-08dbe675cb47 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Nov 2023 07:29:39.7685 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7c0635d1-0fde-483a-ac6a-08dbe675cb47 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MWH0EPF000989EA.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6662 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Describe when uartlite driver uses static/dynamic allocation for major number based on maximum number of uartlite serial ports. Signed-off-by: Manikanta Guntupalli --- Changes for V2: This patch introduced in V2. Changes for V3: Fix typo. Move description to above of ttyUL. --- Documentation/admin-guide/devices.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-gu= ide/devices.txt index 839054923530..ae7431e317ad 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -2704,6 +2704,9 @@ ... 185 =3D /dev/ttyNX15 Hilscher netX serial port 15 186 =3D /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation + + If maximum number of uartlite serial ports are more than 4, then driver= uses + dynamic allocation instead of static allocation for major number. 187 =3D /dev/ttyUL0 Xilinx uartlite - port 0 ... 190 =3D /dev/ttyUL3 Xilinx uartlite - port 3 --=20 2.25.1