| Message ID | 20231116134003.3762725-2-manikanta.guntupalli@amd.com |
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From: Manikanta Guntupalli <manikanta.guntupalli@amd.com>
To: <git@amd.com>, <michal.simek@amd.com>, <jacmet@sunsite.dk>,
<gregkh@linuxfoundation.org>, <jirislaby@kernel.org>,
<linux-serial@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
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CC: <radhey.shyam.pandey@amd.com>, <srinivas.goud@amd.com>,
<shubhrajyoti.datta@amd.com>, <manion05gk@gmail.com>,
Manikanta Guntupalli <manikanta.guntupalli@amd.com>
Subject: [PATCH V4 1/2] Documentation: devices.txt: Update ttyUL major number
allocation details
Date: Thu, 16 Nov 2023 19:10:02 +0530
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| Series |
Use dynamic allocation for major number when uart ports > 4
|
expand
|
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
Describe when uartlite driver uses static/dynamic allocation for major number based on maximum number of uartlite serial ports. Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@amd.com> --- 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(+)