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| 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 17:58:49 +0100 |
| commit | 89d9a53346b20cceccb7c86253e186721ae50359 (patch) | |
| tree | be526217b5e0e7c24d7dbcb6bbdee7653abb1af3 | |
| parent | 1ed436cd1690215e9c7081e25935c398c7b9b099 (diff) | |
| download | linux-yocto-89d9a53346b20cceccb7c86253e186721ae50359.tar.gz linux-yocto-89d9a53346b20cceccb7c86253e186721ae50359.tar.bz2 linux-yocto-89d9a53346b20cceccb7c86253e186721ae50359.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 7d030c2e42ff..50b6746a8b5d 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1695,7 +1695,7 @@ 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); |