serial: 8250: let serial8250_get_divisor() get uart_port * as param
authorJisheng Zhang <Jisheng.Zhang@synaptics.com>
Wed, 4 Jul 2018 09:00:40 +0000 (17:00 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Jul 2018 14:45:38 +0000 (16:45 +0200)
Align serial8250_get_divisor() with serial8250_set_divisor() to accept
uart_port pointer as the first parameter. No functionality changes.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/8250/8250_port.c

index cf541aa..709fe6b 100644 (file)
@@ -2498,11 +2498,11 @@ static unsigned int npcm_get_divisor(struct uart_8250_port *up,
        return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2;
 }
 
-static unsigned int serial8250_get_divisor(struct uart_8250_port *up,
+static unsigned int serial8250_get_divisor(struct uart_port *port,
                                           unsigned int baud,
                                           unsigned int *frac)
 {
-       struct uart_port *port = &up->port;
+       struct uart_8250_port *up = up_to_u8250p(port);
        unsigned int quot;
 
        /*
@@ -2636,7 +2636,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
        cval = serial8250_compute_lcr(up, termios->c_cflag);
 
        baud = serial8250_get_baud_rate(port, termios, old);
-       quot = serial8250_get_divisor(up, baud, &frac);
+       quot = serial8250_get_divisor(port, baud, &frac);
 
        /*
         * Ok, we're now changing the port state.  Do it with
@@ -3197,7 +3197,7 @@ static void serial8250_console_restore(struct uart_8250_port *up)
                termios.c_cflag = port->state->port.tty->termios.c_cflag;
 
        baud = serial8250_get_baud_rate(port, &termios, NULL);
-       quot = serial8250_get_divisor(up, baud, &frac);
+       quot = serial8250_get_divisor(port, baud, &frac);
 
        serial8250_set_divisor(port, baud, quot, frac);
        serial_port_out(port, UART_LCR, up->lcr);