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Thu, 16 Nov 2023 07:40:19 -0600 From: Manikanta Guntupalli To: , , , , , , , , , , , , CC: , , , , Manikanta Guntupalli Subject: [PATCH V4 1/2] Documentation: devices.txt: Update ttyUL major number allocation details Date: Thu, 16 Nov 2023 19:10:02 +0530 Message-ID: <20231116134003.3762725-2-manikanta.guntupalli@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231116134003.3762725-1-manikanta.guntupalli@amd.com> References: <20231116134003.3762725-1-manikanta.guntupalli@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE34:EE_|MN0PR12MB6341:EE_ X-MS-Office365-Filtering-Correlation-Id: 366a859c-f4c3-4ef4-9108-08dbe6a99802 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE34.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6341 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org 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. Changes for V4: Fix typo. --- Documentation/admin-guide/devices.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt index 839054923530..94c98be1329a 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -2704,6 +2704,9 @@ ... 185 = /dev/ttyNX15 Hilscher netX serial port 15 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation + + If maximum number of uartlite serial ports is more than 4, then the driver + uses dynamic allocation instead of static allocation for major number. 187 = /dev/ttyUL0 Xilinx uartlite - port 0 ... 190 = /dev/ttyUL3 Xilinx uartlite - port 3