serial: 8250: Compute ttyS index from port minor

Prepare for 8250 split; calculate the ttyS index directly from
the port minor which avoids the global serial8250_reg reference
from base port operations.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-02-24 14:25:01 -05:00 committed by Greg Kroah-Hartman
parent 959801fef9
commit 51c39814b6

View file

@ -61,7 +61,7 @@ static struct uart_driver serial8250_reg;
static int serial_index(struct uart_port *port)
{
return (serial8250_reg.minor - 64) + port->line;
return port->minor - 64;
}
static unsigned int skip_txen_test; /* force skip of txen test at init time */