From mboxrd@z Thu Jan 1 00:00:00 1970 From: bich.hemon@st.com (Bich HEMON) Date: Thu, 13 Jul 2017 15:08:28 +0000 Subject: [PATCH 4/9] serial: stm32: fix pio transmit timeout In-Reply-To: <1499958494-19354-1-git-send-email-bich.hemon@st.com> References: <1499958494-19354-1-git-send-email-bich.hemon@st.com> Message-ID: <1499958494-19354-5-git-send-email-bich.hemon@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Gerald Baeza 100?s was too short for low speed transmission (9600bps) Signed-off-by: Gerald Baeza Signed-off-by: Bich Hemon --- drivers/tty/serial/stm32-usart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index a12d79c..ca61bfe 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -202,7 +202,7 @@ 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"); -- 1.9.1