spi: stm32: use explicit CPOL and CPHA mode bits
Driver supports SPI mode 0 to 3 not only the mode 3. Use SPI_CPOL and SPI_CPHA indicates that these bits can be changed to obtain modes 0 - 3. Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1142,7 +1142,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
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master->dev.of_node = pdev->dev.of_node;
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master->auto_runtime_pm = true;
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master->bus_num = pdev->id;
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master->mode_bits = SPI_MODE_3 | SPI_CS_HIGH | SPI_LSB_FIRST |
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master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_CS_HIGH | SPI_LSB_FIRST |
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SPI_3WIRE | SPI_LOOP;
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master->bits_per_word_mask = stm32_spi_get_bpw_mask(spi);
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master->max_speed_hz = spi->clk_rate / SPI_MBR_DIV_MIN;
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