serial: use DIV_ROUND_CLOSEST instead of open coding it

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Uwe Kleine-König 2011-12-20 11:47:44 +01:00 committed by Greg Kroah-Hartman
parent 1e9deb118e
commit 97d24634da

View File

@ -421,7 +421,7 @@ uart_get_divisor(struct uart_port *port, unsigned int baud)
if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST)
quot = port->custom_divisor;
else
quot = (port->uartclk + (8 * baud)) / (16 * baud);
quot = DIV_ROUND_CLOSEST(port->uartclk, 16 * baud);
return quot;
}