From e9fdf60dafdcef2af9c8f1a9ceefc0125e3f9f3c Mon Sep 17 00:00:00 2001 From: Tomonori Sakita Date: Mon, 21 Jan 2019 17:34:16 +0900 Subject: serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling [ Upstream commit 815d835b7ba46685c316b000013367dacb2b461b ] Using over-sampling ratio, lpuart can accept baud rate upto uartclk / 4. Signed-off-by: Tomonori Sakita Signed-off-by: Atsushi Nemoto Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/serial/fsl_lpuart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/tty') diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 8b5ec9386f0f..1544a7cc76ff 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1409,7 +1409,7 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, } /* ask the core to calculate the divisor */ - baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 16); + baud = uart_get_baud_rate(port, termios, old, 50, port->uartclk / 4); spin_lock_irqsave(&sport->port.lock, flags); -- cgit v1.2.3