diff options
| author | Tomonori Sakita <tomonori.sakita@sord.co.jp> | 2019-01-21 17:34:16 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-23 08:44:19 +0100 |
| commit | e9fdf60dafdcef2af9c8f1a9ceefc0125e3f9f3c (patch) | |
| tree | 10c9ede01db5a88af1e2983212448df21fddc39e /drivers/tty | |
| parent | f5c5093be741777371bd5e66ece2a96f25ad9588 (diff) | |
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 <tomonori.sakita@sord.co.jp>
Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |