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spi: imx: Simplify logic in spi_imx_push()
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>
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1 changed files with 3 additions and 8 deletions
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@ -1038,12 +1038,8 @@ static void spi_imx_set_burst_len(struct spi_imx_data *spi_imx, int n_bits)
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static void spi_imx_push(struct spi_imx_data *spi_imx)
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{
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unsigned int burst_len, fifo_words;
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unsigned int burst_len;
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if (spi_imx->dynamic_burst)
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fifo_words = 4;
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else
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fifo_words = spi_imx_bytes_per_word(spi_imx->bits_per_word);
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/*
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* Reload the FIFO when the remaining bytes to be transferred in the
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* current burst is 0. This only applies when bits_per_word is a
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@ -1062,7 +1058,7 @@ static void spi_imx_push(struct spi_imx_data *spi_imx)
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spi_imx->remainder = burst_len;
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} else {
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spi_imx->remainder = fifo_words;
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spi_imx->remainder = spi_imx_bytes_per_word(spi_imx->bits_per_word);
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}
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}
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@ -1070,8 +1066,7 @@ static void spi_imx_push(struct spi_imx_data *spi_imx)
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if (!spi_imx->count)
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break;
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if (spi_imx->dynamic_burst &&
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spi_imx->txfifo >= DIV_ROUND_UP(spi_imx->remainder,
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fifo_words))
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spi_imx->txfifo >= DIV_ROUND_UP(spi_imx->remainder, 4))
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break;
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spi_imx->tx(spi_imx);
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spi_imx->txfifo++;
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