diff options
| -rw-r--r-- | drivers/spi/spi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 2195fa265aef..5e75944ad5d1 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2945,6 +2945,11 @@ int spi_setup(struct spi_device *spi) * so it is ignored here. */ bad_bits = spi->mode & ~(spi->controller->mode_bits | SPI_CS_WORD); + /* nothing prevents from working with active-high CS in case if it + * is driven by GPIO. + */ + if (gpio_is_valid(spi->cs_gpio)) + bad_bits &= ~SPI_CS_HIGH; ugly_bits = bad_bits & (SPI_TX_DUAL | SPI_TX_QUAD | SPI_TX_OCTAL | SPI_RX_DUAL | SPI_RX_QUAD | SPI_RX_OCTAL); |