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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: 2c4ee23530
("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>
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@ -1574,7 +1574,6 @@ static void sci_request_dma(struct uart_port *port)
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if (dma_mapping_error(chan->device->dev, s->tx_dma_addr)) {
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dev_warn(port->dev, "Failed mapping Tx DMA descriptor\n");
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dma_release_channel(chan);
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chan = NULL;
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} else {
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dev_dbg(port->dev, "%s: mapped %lu@%p to %pad\n",
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__func__, UART_XMIT_SIZE,
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