From: Erwan Le Ray <erwan.leray@foss.st.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby <jslaby@suse.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: <linux-serial@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, Erwan Le Ray <erwan.leray@foss.st.com>, Fabrice Gasnier <fabrice.gasnier@foss.st.com>, Valentin Caron <valentin.caron@foss.st.com> Subject: [PATCH 08/13] serial: stm32: fix tx dma completion, release channel Date: Fri, 19 Feb 2021 18:47:31 +0100 [thread overview] Message-ID: <20210219174736.1022-9-erwan.leray@foss.st.com> (raw) In-Reply-To: <20210219174736.1022-1-erwan.leray@foss.st.com> This patch add a proper release of dma channels when completing dma tx. Fixes: 3489187204eb ("serial: stm32: adding dma support") Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com> diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 4ba164820904..7da16d468b84 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -292,6 +292,7 @@ static void stm32_usart_tx_dma_complete(void *arg) struct stm32_port *stm32port = to_stm32_port(port); struct stm32_usart_offsets *ofs = &stm32port->info->ofs; + dmaengine_terminate_async(stm32port->tx_ch); stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAT); stm32port->tx_dma_busy = false; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Erwan Le Ray <erwan.leray@foss.st.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby <jslaby@suse.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Valentin Caron <valentin.caron@foss.st.com>, Erwan Le Ray <erwan.leray@foss.st.com>, linux-kernel@vger.kernel.org, Fabrice Gasnier <fabrice.gasnier@foss.st.com>, linux-serial@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH 08/13] serial: stm32: fix tx dma completion, release channel Date: Fri, 19 Feb 2021 18:47:31 +0100 [thread overview] Message-ID: <20210219174736.1022-9-erwan.leray@foss.st.com> (raw) In-Reply-To: <20210219174736.1022-1-erwan.leray@foss.st.com> This patch add a proper release of dma channels when completing dma tx. Fixes: 3489187204eb ("serial: stm32: adding dma support") Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com> diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 4ba164820904..7da16d468b84 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -292,6 +292,7 @@ static void stm32_usart_tx_dma_complete(void *arg) struct stm32_port *stm32port = to_stm32_port(port); struct stm32_usart_offsets *ofs = &stm32port->info->ofs; + dmaengine_terminate_async(stm32port->tx_ch); stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_DMAT); stm32port->tx_dma_busy = false; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-02-19 17:52 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-19 17:47 [PATCH 00/13] stm32 usart various fixes Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 01/13] serial: stm32: fix probe and remove order for dma Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 02/13] serial: stm32: fix startup by enabling usart for reception Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 03/13] serial: stm32: fix incorrect characters on console Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 04/13] serial: stm32: fix TX and RX FIFO thresholds Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 05/13] serial: stm32: fix a deadlock condition with wakeup event Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 06/13] serial: stm32: fix wake-up flag handling Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 07/13] serial: stm32: fix a deadlock in set_termios Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray [this message] 2021-02-19 17:47 ` [PATCH 08/13] serial: stm32: fix tx dma completion, release channel Erwan Le Ray 2021-02-19 17:47 ` [PATCH 09/13] serial: stm32: call stm32_transmit_chars locked Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 10/13] serial: stm32: fix FIFO flush in startup and set_termios Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 11/13] serial: stm32: add FIFO flush when port is closed Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 12/13] serial: stm32: fix tx_empty condition Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-02-19 17:47 ` [PATCH 13/13] serial: stm32: add support for "flush_buffer" ops Erwan Le Ray 2021-02-19 17:47 ` Erwan Le Ray 2021-03-03 19:31 ` [PATCH 00/13] stm32 usart various fixes Greg Kroah-Hartman 2021-03-03 19:31 ` Greg Kroah-Hartman
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