tx_empty is not used after setting its value. It is safe to remove
the unused variable.
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
drivers/tty/serial/pch_uart.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index cb85002..9ed121f 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -933,7 +933,6 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
struct scatterlist *sg;
int nent;
int fifo_size;
- int tx_empty;
struct dma_async_tx_descriptor *desc;
int num;
int i;
@@ -958,11 +957,9 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
}
fifo_size = max(priv->fifo_size, 1);
- tx_empty = 1;
if (pop_tx_x(priv, xmit->buf)) {
pch_uart_hal_write(priv, xmit->buf, 1);
port->icount.tx++;
- tx_empty = 0;
fifo_size--;
}
--
1.7.12.4
