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serial: stm32: use the defined variable to simplify code

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Use the defined variable 'dev' to make the code cleaner.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20210814124951.30084-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tang Bin 2021-08-14 20:49:51 +08:00 committed by Greg Kroah-Hartman
parent 94560f6156
commit 59bd4eedf1
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/stm32-usart.c
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@ -1177,7 +1177,7 @@ static int stm32_usart_of_dma_rx_probe(struct stm32_port *stm32port,
if (uart_console(port))
return -ENODEV;
stm32port->rx_buf = dma_alloc_coherent(&pdev->dev, RX_BUF_L,
stm32port->rx_buf = dma_alloc_coherent(dev, RX_BUF_L,
&stm32port->rx_dma_buf,
GFP_KERNEL);
if (!stm32port->rx_buf)
@ -1243,7 +1243,7 @@ static int stm32_usart_of_dma_tx_probe(struct stm32_port *stm32port,
stm32port->tx_dma_busy = false;
stm32port->tx_buf = dma_alloc_coherent(&pdev->dev, TX_BUF_L,
stm32port->tx_buf = dma_alloc_coherent(dev, TX_BUF_L,
&stm32port->tx_dma_buf,
GFP_KERNEL);
if (!stm32port->tx_buf)