diff options
| author | Tomonori Sakita <tomonori.sakita@sord.co.jp> | 2019-01-21 17:34:16 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-05 17:58:00 +0100 |
| commit | 0baaa08d1e3a68f3ef92ab71aac18c56b51c6430 (patch) | |
| tree | ea8aca8d8e7a4d74beb3bbbbc68345e60c688f6a | |
| parent | 3aeb1d42b3194d66ee432a5daac82569b19436a0 (diff) | |
| download | linux-0baaa08d1e3a68f3ef92ab71aac18c56b51c6430.tar.gz linux-0baaa08d1e3a68f3ef92ab71aac18c56b51c6430.tar.bz2 linux-0baaa08d1e3a68f3ef92ab71aac18c56b51c6430.zip | |
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>
| -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 716c33b2a11c..32a473f9d1d3 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1701,7 +1701,7 @@ 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); |