[PATCH v2 1/3] serial: 8250: let serial8250_get_divisor() get uart_port * as param

From: Jisheng Zhang
Date: Wed Jul 04 2018 - 05:02:42 EST


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@xxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_port.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index cf541aab2bd0..709fe6b4265c 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -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);
--
2.18.0