From: Tomonori Sakita Date: Mon, 21 Jan 2019 08:34:16 +0000 (+0900) Subject: serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=815d835b7ba46685c316b000013367dacb2b461b;p=openwrt%2Fstaging%2Fblogic.git serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling 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 --- diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 241a48e5052c..debdd1b9e01a 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1697,7 +1697,7 @@ 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);