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| author | Manikanta Guntupalli <manikanta.guntupalli@amd.com> | 2023-11-16 16:40:02 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-25 10:23:16 +0300 |
| commit | 0be916a68c8ada0c98d4c14058717175a367ee87 (patch) | |
| tree | df55854fe14f7c3b9c7456c911c84c02fc182246 /Documentation | |
| parent | e651faa2fba4d387aa00b3c02e9c10232852d2ef (diff) | |
| download | linux-0be916a68c8ada0c98d4c14058717175a367ee87.tar.xz | |
Documentation: devices.txt: Update ttyUL major number allocation details
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>
Link: https://lore.kernel.org/r/20231116134003.3762725-2-manikanta.guntupalli@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/devices.txt | 3 |
1 files changed, 3 insertions, 0 deletions
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 |