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spi: imx: rename 'bpw' variables

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'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>
This commit is contained in:
Sascha Hauer 2017-06-02 07:38:04 +02:00 committed by Mark Brown
parent 65017ee2cd
commit 2e312f6cdb
1 changed files with 6 additions and 6 deletions
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12
drivers/spi/spi-imx.c
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@ -200,27 +200,27 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
return i;
}
static int spi_imx_bytes_per_word(const int bpw)
static int spi_imx_bytes_per_word(const int bits_per_word)
{
return DIV_ROUND_UP(bpw, BITS_PER_BYTE);
return DIV_ROUND_UP(bits_per_word, BITS_PER_BYTE);
}
static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi,
struct spi_transfer *transfer)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(master);
unsigned int bpw, i;
unsigned int bytes_per_word, i;
if (!master->dma_rx)
return false;
bpw = spi_imx_bytes_per_word(transfer->bits_per_word);
bytes_per_word = spi_imx_bytes_per_word(transfer->bits_per_word);
if (bpw != 1 && bpw != 2 && bpw != 4)
if (bytes_per_word != 1 && bytes_per_word != 2 && bytes_per_word != 4)
return false;
for (i = spi_imx_get_fifosize(spi_imx) / 2; i > 0; i--) {
if (!(transfer->len % (i * bpw)))
if (!(transfer->len % (i * bytes_per_word)))
break;
}