From: Cezary Gapinski <cezary.gapinski@xxxxxxxxx> This driver does not support SPI LOOP mode by configuration in registers. Signed-off-by: Cezary Gapinski <cezary.gapinski@xxxxxxxxx> --- drivers/spi/spi-stm32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index f7056b7..b639be7 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1143,7 +1143,7 @@ static int stm32_spi_probe(struct platform_device *pdev) master->auto_runtime_pm = true; master->bus_num = pdev->id; master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_CS_HIGH | SPI_LSB_FIRST | - SPI_3WIRE | SPI_LOOP; + SPI_3WIRE; master->bits_per_word_mask = stm32_spi_get_bpw_mask(spi); master->max_speed_hz = spi->clk_rate / SPI_MBR_DIV_MIN; master->min_speed_hz = spi->clk_rate / SPI_MBR_DIV_MAX; -- 2.7.4
