serial: 8250: drop unused frac from serial8250_do_get_divisor()

'frac' is not used in the generic implementation of get_divisor. Drop it
from there. (Only some port->get_divisor() compute that and receive it
then to port->set_divisor()).

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250611100319.186924-27-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 2af89038e50e4d0db179a605d2a36b9681403c6b..6363915a1787c309e97b661500f2c2d6456aaa6a 100644 (file)
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2481,9 +2481,7 @@ static void serial8250_flush_buffer(struct uart_port *port)
                serial8250_tx_dma_flush(up);
 }
 
-static unsigned int serial8250_do_get_divisor(struct uart_port *port,
-                                             unsigned int baud,
-                                             unsigned int *frac)
+static unsigned int serial8250_do_get_divisor(struct uart_port *port, unsigned int baud)
 {
        upf_t magic_multiplier = port->flags & UPF_MAGIC_MULTIPLIER;
        struct uart_8250_port *up = up_to_u8250p(port);
@@ -2544,7 +2542,7 @@ static unsigned int serial8250_get_divisor(struct uart_port *port,
        if (port->get_divisor)
                return port->get_divisor(port, baud, frac);
 
-       return serial8250_do_get_divisor(port, baud, frac);
+       return serial8250_do_get_divisor(port, baud);
 }
 
 static unsigned char serial8250_compute_lcr(struct uart_8250_port *up, tcflag_t c_cflag)