Messages in this thread Patch in this message | | | From | Erwan Le Ray <> | Subject | [PATCH 08/13] serial: stm32: fix tx dma completion, release channel | Date | Fri, 19 Feb 2021 18:47:31 +0100 |
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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
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