From: Bich HEMON <bich.hemon@st.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
"Jiri Slaby" <jslaby@suse.com>,
"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Bich HEMON <bich.hemon@st.com>
Subject: [PATCH 06/20] serial: stm32: fix pio transmit timeout
Date: Mon, 26 Jun 2017 12:49:11 +0000 [thread overview]
Message-ID: <1498481318-1894-7-git-send-email-bich.hemon@st.com> (raw)
In-Reply-To: <1498481318-1894-1-git-send-email-bich.hemon@st.com>
From: Bich Hemon <bich.hemon@st.com>
100µs was too short for low speed transmission
(9600bps)
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
---
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 3ce0f7a..79ac167 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -247,7 +247,7 @@ 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
next prev parent reply other threads:[~2017-06-26 12:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 12:49 [PATCH 00/20] Update STM32 usart driver Bich HEMON
2017-06-26 12:49 ` [PATCH 02/20] dt-bindings: serial: each stm32 usart needs an alias Bich HEMON
2017-06-28 18:06 ` Rob Herring
2017-06-26 12:49 ` [PATCH 01/20] serial: stm32: adding fifo support Bich HEMON
2017-06-26 12:49 ` [PATCH 03/20] serial: stm32: fix multi ports management Bich HEMON
2017-06-26 12:49 ` [PATCH 04/20] serial: stm32: make fifoen as property for each port Bich HEMON
2017-06-26 12:49 ` [PATCH 05/20] serial: stm32: add debugfs Bich HEMON
2017-06-26 12:49 ` Bich HEMON [this message]
2017-06-26 12:49 ` [PATCH 07/20] serial: stm32: less messages on dma alloc error Bich HEMON
2017-06-26 12:49 ` [PATCH 08/20] serial: stm32: timeout interrupt using with dma Bich HEMON
2017-06-26 12:49 ` [PATCH 10/20] serial: stm32: fix dma receive Bich HEMON
2017-06-26 12:49 ` [PATCH 09/20] serial: stm32: fix end of transfer Bich HEMON
2017-06-26 12:49 ` [PATCH 11/20] serial: stm32: add RTS support Bich HEMON
2017-06-26 12:49 ` [PATCH 12/20] serial: stm32: fix last_res value Bich HEMON
2017-06-26 12:49 ` [PATCH 13/20] serial: stm32: fix error handling in probe Bich HEMON
2017-06-29 14:50 ` Greg Kroah-Hartman
2017-06-26 12:49 ` [PATCH 14/20] dt-bindings: serial: document option wake-up interrupt for STM32 USART Bich HEMON
2017-06-28 18:10 ` Rob Herring
2017-06-29 14:50 ` Greg Kroah-Hartman
2017-06-26 12:49 ` [PATCH 15/20] serial: stm32: Add wakeup mechanism Bich HEMON
2017-06-26 12:49 ` [PATCH 18/20] serial: stm32: update dma buffers length Bich HEMON
2017-06-26 12:49 ` [PATCH 16/20] serial: stm32: fix fifo usage Bich HEMON
2017-06-26 12:49 ` [PATCH 17/20] dt-bindings: serial: stm32: add dma using note Bich HEMON
2017-06-28 22:26 ` Rob Herring
2017-06-29 14:50 ` Greg Kroah-Hartman
2017-06-26 12:49 ` [PATCH 20/20] serial: stm32: fix rx interrupt handling in startup Bich HEMON
2017-06-26 12:49 ` [PATCH 19/20] serial: stm32: add dma rx callback Bich HEMON
2017-06-29 15:09 ` [PATCH 00/20] Update STM32 usart driver Alexandre Torgue
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