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Subject[PATCH 12/18] serial: sc16is7xx: replace hardcoded divisor value with BIT() macro
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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