diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-07-20 15:18:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-21 09:40:51 +0300 |
| commit | ac8a103e695c500acc83eb5cd816d25d7a6da52f (patch) | |
| tree | 891df98d62a17a5a61cf60d80bef64b4116d840c /drivers | |
| parent | 26f22d5748b4bebb2ab719a39ca185398b92aa14 (diff) | |
| download | linux-ac8a103e695c500acc83eb5cd816d25d7a6da52f.tar.xz | |
serial: sh-sci: Drop superfluous assignment in sci_request_dma()
No later code uses the assigned value, so it can be dropped.
Reported-by: Simon Horman <horms@verge.net.au>
Fixes: 2c4ee23530ffc022 ("serial: sh-sci: Postpone DMA release when falling back to PIO")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index f8e53ac5c17d..6ff6f2bf3b9b 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1574,7 +1574,6 @@ static void sci_request_dma(struct uart_port *port) if (dma_mapping_error(chan->device->dev, s->tx_dma_addr)) { dev_warn(port->dev, "Failed mapping Tx DMA descriptor\n"); dma_release_channel(chan); - chan = NULL; } else { dev_dbg(port->dev, "%s: mapped %lu@%p to %pad\n", __func__, UART_XMIT_SIZE, |