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spi: imx: Simplify logic in spi_imx_push()

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For each usage of fifo_words it is clear if ->dynamic_burst is true or
not. This can be used to simplify the function a bit.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210716173927.2050620-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Uwe Kleine-König 2021-07-16 19:39:27 +02:00 committed by Mark Brown
parent 3bbdc08326
commit bd9616996b
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 8 deletions
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11
drivers/spi/spi-imx.c
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@ -1038,12 +1038,8 @@ static void spi_imx_set_burst_len(struct spi_imx_data *spi_imx, int n_bits)
static void spi_imx_push(struct spi_imx_data *spi_imx)
{
unsigned int burst_len, fifo_words;
unsigned int burst_len;
if (spi_imx->dynamic_burst)
fifo_words = 4;
else
fifo_words = spi_imx_bytes_per_word(spi_imx->bits_per_word);
/*
* Reload the FIFO when the remaining bytes to be transferred in the
* current burst is 0. This only applies when bits_per_word is a
@ -1062,7 +1058,7 @@ static void spi_imx_push(struct spi_imx_data *spi_imx)
spi_imx->remainder = burst_len;
} else {
spi_imx->remainder = fifo_words;
spi_imx->remainder = spi_imx_bytes_per_word(spi_imx->bits_per_word);
}
}
@ -1070,8 +1066,7 @@ static void spi_imx_push(struct spi_imx_data *spi_imx)
if (!spi_imx->count)
break;
if (spi_imx->dynamic_burst &&
spi_imx->txfifo >= DIV_ROUND_UP(spi_imx->remainder,
fifo_words))
spi_imx->txfifo >= DIV_ROUND_UP(spi_imx->remainder, 4))
break;
spi_imx->tx(spi_imx);
spi_imx->txfifo++;