spi: spi-s3c64xx: Use local variable for FIFO length
More references to fifo_len are added in subsequent patch. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Andi Shyti <andi@etezian.org> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -634,6 +634,7 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
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struct spi_transfer *xfer)
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struct spi_transfer *xfer)
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{
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{
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struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
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struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
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const unsigned int fifo_len = (FIFO_LVL_MASK(sdd) >> 1) + 1;
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int status;
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int status;
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u32 speed;
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u32 speed;
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u8 bpw;
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u8 bpw;
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@ -655,9 +656,8 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
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/* Polling method for xfers not bigger than FIFO capacity */
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/* Polling method for xfers not bigger than FIFO capacity */
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use_dma = 0;
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use_dma = 0;
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if (!is_polling(sdd) &&
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if (!is_polling(sdd) && (xfer->len > fifo_len) &&
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(sdd->rx_dma.ch && sdd->tx_dma.ch &&
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sdd->rx_dma.ch && sdd->tx_dma.ch)
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(xfer->len > ((FIFO_LVL_MASK(sdd) >> 1) + 1))))
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use_dma = 1;
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use_dma = 1;
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spin_lock_irqsave(&sdd->lock, flags);
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spin_lock_irqsave(&sdd->lock, flags);
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