[PATCH v5 7/8] spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4

2020-05-24 Thread dillon . minfei
From: dillon min in l3gd20 driver startup, there is a setup failed error return from stm32 spi driver " [2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy regulator [2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy regulator [

[PATCH v5 7/8] spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4

2020-05-24 Thread dillon . minfei
From: dillon min in l3gd20 driver startup, there is a setup failed error return from stm32 spi driver " [2.687630] st-gyro-spi spi0.0: supply vdd not found, using dummy regulator [2.696869] st-gyro-spi spi0.0: supply vddio not found, using dummy regulator [