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spi: spi-fsl-dspi: Reduce indentation in dspi_release_dma()

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There is no point in surrounding an entire function block in an if
condition. Rather, exit early if the condition is false.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20190818180115.31114-7-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vladimir Oltean 2019-08-18 21:01:07 +03:00 committed by Mark Brown
parent 06d5dd2997
commit abbd0ef1f2
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GPG Key ID: 24D68B725D5487D0
1 changed files with 12 additions and 11 deletions
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23
drivers/spi/spi-fsl-dspi.c
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@ -471,18 +471,19 @@ static void dspi_release_dma(struct fsl_dspi *dspi)
struct fsl_dspi_dma *dma = dspi->dma;
struct device *dev = &dspi->pdev->dev;
if (dma) {
if (dma->chan_tx) {
dma_unmap_single(dev, dma->tx_dma_phys,
DSPI_DMA_BUFSIZE, DMA_TO_DEVICE);
dma_release_channel(dma->chan_tx);
}
if (!dma)
return;
if (dma->chan_rx) {
dma_unmap_single(dev, dma->rx_dma_phys,
DSPI_DMA_BUFSIZE, DMA_FROM_DEVICE);
dma_release_channel(dma->chan_rx);
}
if (dma->chan_tx) {
dma_unmap_single(dev, dma->tx_dma_phys,
DSPI_DMA_BUFSIZE, DMA_TO_DEVICE);
dma_release_channel(dma->chan_tx);
}
if (dma->chan_rx) {
dma_unmap_single(dev, dma->rx_dma_phys,
DSPI_DMA_BUFSIZE, DMA_FROM_DEVICE);
dma_release_channel(dma->chan_rx);
}
}