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-rw-r--r--drivers/tty/serial/stm32-usart.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index ee6c7762d355..f4de32d3f2af 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -350,7 +350,6 @@ static void stm32_transmit_chars_dma(struct uart_port *port)
struct stm32_usart_offsets *ofs = &stm32port->info->ofs;
struct circ_buf *xmit = &port->state->xmit;
struct dma_async_tx_descriptor *desc = NULL;
- dma_cookie_t cookie;
unsigned int count, i;
if (stm32port->tx_dma_busy)
@@ -394,7 +393,7 @@ static void stm32_transmit_chars_dma(struct uart_port *port)
desc->callback_param = port;
/* Push current DMA TX transaction in the pending queue */
- cookie = dmaengine_submit(desc);
+ dmaengine_submit(desc);
/* Issue pending DMA TX requests */
dma_async_issue_pending(stm32port->tx_ch);
@@ -1087,7 +1086,6 @@ static int stm32_of_dma_rx_probe(struct stm32_port *stm32port,
struct device *dev = &pdev->dev;
struct dma_slave_config config;
struct dma_async_tx_descriptor *desc = NULL;
- dma_cookie_t cookie;
int ret;
/* Request DMA RX channel */
@@ -1132,7 +1130,7 @@ static int stm32_of_dma_rx_probe(struct stm32_port *stm32port,
desc->callback_param = NULL;
/* Push current DMA transaction in the pending queue */
- cookie = dmaengine_submit(desc);
+ dmaengine_submit(desc);
/* Issue pending DMA requests */
dma_async_issue_pending(stm32port->rx_ch);