Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

[SERIAL] Add comment about early_serial_setup()

Browse source 
early_serial_setup() must not be called after console initialisation.
Add a comment prior to the function explicitly stating this.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-02-23 10:22:13 +00:00 • committed by Russell King
parent 85edae14e4
commit d856c66618
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/serial/8250.c
View file

@ -2326,6 +2326,12 @@ static struct uart_driver serial8250_reg = {
.cons = SERIAL8250_CONSOLE, .cons = SERIAL8250_CONSOLE,
}; };
/*
* early_serial_setup - early registration for 8250 ports
*
* Setup an 8250 port structure prior to console initialisation. Use
* after console initialisation will cause undefined behaviour.
*/
int __init early_serial_setup(struct uart_port *port) int __init early_serial_setup(struct uart_port *port)
{ {
if (port->line >= ARRAY_SIZE(serial8250_ports)) if (port->line >= ARRAY_SIZE(serial8250_ports))