[PATCH 26/33] serial: 8250: drop unused frac from serial8250_do_get_divisor()

Jiri Slaby (SUSE)
2025-06-11T10:04:10Z

'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>
---
drivers/tty/serial/8250/8250_port.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 2af89038e50e..6363915a1787 100644
--- 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)
--
2.49.0