diff options
| author | Gerald Baeza <gerald.baeza@st.com> | 2017-07-31 09:31:52 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 20:51:19 +0200 |
| commit | a61d9e6e30d48b67fe864ba4bb9babac7b178312 (patch) | |
| tree | 17b0a3f37e01295bdb11bbe5be1aee4cdae02460 /drivers/tty/serial/stm32-usart.c | |
| parent | a704ddc2504610ba4227d1ae036e962e530c8c0b (diff) | |
serial: stm32: fix pio transmit timeout
100µs was too short for low speed transmission
(9600bps)
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/stm32-usart.c')
| -rw-r--r-- | drivers/tty/serial/stm32-usart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 72c0ec145527..b16e7e796155 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -203,7 +203,7 @@ static void stm32_transmit_chars_pio(struct uart_port *port) ret = readl_relaxed_poll_timeout_atomic(port->membase + ofs->isr, isr, (isr & USART_SR_TXE), - 10, 100); + 10, 100000); if (ret) dev_err(port->dev, "tx empty not set\n"); |