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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> | 2019-01-22 09:32:08 +0100 |
| commit | 815d835b7ba46685c316b000013367dacb2b461b (patch) | |
| tree | 901f1e7e6ba359b0b3bcf6491f6aeca75a1b1d5f /drivers/tty/serial/fsl_lpuart.c | |
| parent | tty: serial: qcom_geni_serial: Allow mctrl when flow control is disabled (diff) | |
| download | linux-dev-815d835b7ba46685c316b000013367dacb2b461b.tar.xz linux-dev-815d835b7ba46685c316b000013367dacb2b461b.zip | |
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 <tomonori.sakita@sord.co.jp>
Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
| -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 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); |