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| author | zhong jiang <zhongjiang@huawei.com> | 2018-10-23 21:21:34 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-09 09:07:17 -0800 |
| commit | 114c97cee6d37787135bd548bbd55c283463ac62 (patch) | |
| tree | d53230f55461bc61f5b529668b142f52a1559b69 /drivers/tty/serial | |
| parent | 7034ef87fa880defb4cfc2ca552641d26f425f21 (diff) | |
| download | linux-114c97cee6d37787135bd548bbd55c283463ac62.tar.gz linux-114c97cee6d37787135bd548bbd55c283463ac62.tar.bz2 linux-114c97cee6d37787135bd548bbd55c283463ac62.zip | |
pch_uart: remove set but not used variable 'tx_empty'
tx_empty is not used after setting its value. It is safe to remove
the unused variable.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/pch_uart.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index cb85002a10d8..9ed121f08a54 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--; } |