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spi: imx: rename 'bpw' variables
'bpw' is ambiguous and only the context makes sure if bytes_per_word or bits_per_word is meant. Use the full names instead to make reading the code easier. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 6 additions and 6 deletions
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@ -200,27 +200,27 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
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return i;
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}
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static int spi_imx_bytes_per_word(const int bpw)
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static int spi_imx_bytes_per_word(const int bits_per_word)
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{
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return DIV_ROUND_UP(bpw, BITS_PER_BYTE);
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return DIV_ROUND_UP(bits_per_word, BITS_PER_BYTE);
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}
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static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi,
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struct spi_transfer *transfer)
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{
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struct spi_imx_data *spi_imx = spi_master_get_devdata(master);
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unsigned int bpw, i;
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unsigned int bytes_per_word, i;
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if (!master->dma_rx)
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return false;
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bpw = spi_imx_bytes_per_word(transfer->bits_per_word);
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bytes_per_word = spi_imx_bytes_per_word(transfer->bits_per_word);
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if (bpw != 1 && bpw != 2 && bpw != 4)
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if (bytes_per_word != 1 && bytes_per_word != 2 && bytes_per_word != 4)
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return false;
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for (i = spi_imx_get_fifosize(spi_imx) / 2; i > 0; i--) {
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if (!(transfer->len % (i * bpw)))
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if (!(transfer->len % (i * bytes_per_word)))
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break;
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}
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