| From | Hugo Villeneuve <> | Date | Tue, 19 Dec 2023 12:18:56 -0500 | Subject | [PATCH 12/18] serial: sc16is7xx: replace hardcoded divisor value with BIT() macro |
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From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
To better show why the limit is what it is, since we have only 16 bits for the divisor.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com> --- drivers/tty/serial/sc16is7xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index feb50d9271ac..133538f91390 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -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; } -- 2.39.2
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