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Unverified Commit d6cea11b authored by Cezary Gapinski's avatar Cezary Gapinski Committed by Mark Brown
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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: default avatarCezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bb35c9f9

drivers/spi/spi-stm32.c

+1 −1
Original line number Diff line number Diff line
@@ -1142,7 +1142,7 @@ static int stm32_spi_probe(struct platform_device *pdev) 
	master->dev.of_node = pdev->dev.of_node;

	master->auto_runtime_pm = true;

	master->bus_num = pdev->id;

	master->mode_bits = SPI_MODE_3 | SPI_CS_HIGH | SPI_LSB_FIRST |

	master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_CS_HIGH | SPI_LSB_FIRST |

			    SPI_3WIRE | SPI_LOOP;

	master->bits_per_word_mask = stm32_spi_get_bpw_mask(spi);

	master->max_speed_hz = spi->clk_rate / SPI_MBR_DIV_MIN;