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[SERIAL] Add comment about early_serial_setup()

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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
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6
drivers/serial/8250.c
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@ -2326,6 +2326,12 @@ static struct uart_driver serial8250_reg = {
.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)
{
if (port->line >= ARRAY_SIZE(serial8250_ports))