tty/serial: atmel: use true,false for bool variable

Fixes coccicheck warning:

drivers/tty/serial/atmel_serial.c:1062:1-23: WARNING: Assignment of 0/1 to bool variable
drivers/tty/serial/atmel_serial.c:1261:1-23: WARNING: Assignment of 0/1 to bool variable
drivers/tty/serial/atmel_serial.c:1688:3-25: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Link: https://lore.kernel.org/r/1578881777-65475-4-git-send-email-zhengbin13@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 0df666cffd4a71939376fc4f15b672d873bb7502..c15c398c88a938bd49494f959a3cb8da5b983620 100644 (file)
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1072,7 +1072,7 @@ static int atmel_prepare_tx_dma(struct uart_port *port)
 
 chan_err:
        dev_err(port->dev, "TX channel not available, switch to pio\n");
-       atmel_port->use_dma_tx = 0;
+       atmel_port->use_dma_tx = false;
        if (atmel_port->chan_tx)
                atmel_release_tx_dma(port);
        return -EINVAL;
@@ -1271,7 +1271,7 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
 
 chan_err:
        dev_err(port->dev, "RX channel not available, switch to pio\n");
-       atmel_port->use_dma_rx = 0;
+       atmel_port->use_dma_rx = false;
        if (atmel_port->chan_rx)
                atmel_release_rx_dma(port);
        return -EINVAL;
@@ -1698,7 +1698,7 @@ static int atmel_prepare_rx_pdc(struct uart_port *port)
                                        DMA_FROM_DEVICE);
                                kfree(atmel_port->pdc_rx[0].buf);
                        }
-                       atmel_port->use_pdc_rx = 0;
+                       atmel_port->use_pdc_rx = false;
                        return -ENOMEM;
                }
                pdc->dma_addr = dma_map_single(port->dev,