Commit 0be916a6 authored Nov 16, 2023 by Manikanta Guntupalli Committed by Greg Kroah-Hartman Nov 25, 2023

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>

parent e651faa2

Documentation/admin-guide/devices.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -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