Commit 2e57cefc authored by Hugo Villeneuve's avatar Hugo Villeneuve Committed by Greg Kroah-Hartman
Browse files

serial: sc16is7xx: replace hardcoded divisor value with BIT() macro 



To better show why the limit is what it is, since we have only 16 bits for
the divisor.

Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Suggested-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarHugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20231221231823.2327894-13-hugo@hugovil.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dfb10421

drivers/tty/serial/sc16is7xx.c

+1 −1
Original line number Diff line number Diff line
@@ -486,7 +486,7 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud) 
	u8 prescaler = 0;

	unsigned long clk = port->uartclk, div = clk / 16 / baud;



	if (div > 0xffff) {

	if (div >= BIT(16)) {

		prescaler = SC16IS7XX_MCR_CLKSEL_BIT;

		div /= 4;

	}