pch_uart: remove set but not used variable 'tx_empty' (114c97ce) · Commits · 戴 / test

tx_empty is not used after setting its value. It is safe to remove the unused variable. Signed-off-by:

drivers/tty/serial/pch_uart.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -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--;
		}