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Documentation: devices.txt: Update ttyUL major number allocation details

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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>
This commit is contained in:
Manikanta Guntupalli 2023-11-16 19:10:02 +05:30 committed by Greg Kroah-Hartman
parent e651faa2fb
commit 0be916a68c
1 changed files with 3 additions and 0 deletions
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Documentation/admin-guide/devices.txt
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@ -2704,6 +2704,9 @@
... ...
185 = /dev/ttyNX15 Hilscher netX serial port 15 185 = /dev/ttyNX15 Hilscher netX serial port 15
186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation 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 0 187 = /dev/ttyUL0 Xilinx uartlite - port 0
... ...
190 = /dev/ttyUL3 Xilinx uartlite - port 3 190 = /dev/ttyUL3 Xilinx uartlite - port 3