diff options
| author |   Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2019-02-10 18:10:08 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-02-12 16:41:10 +0000 |
| commit | 9b4f84212f04d015b7ff12e9e425ad9ac7e517da (patch) | |
| tree | 1d1d380a391ae8e9f2219a9b21d176229370c763 /drivers/spi | |
| parent | spi: sh-msiof: Replace spi_master by spi_controller (diff) | |
| download | linux-dev-9b4f84212f04d015b7ff12e9e425ad9ac7e517da.tar.xz linux-dev-9b4f84212f04d015b7ff12e9e425ad9ac7e517da.zip | |
spi: gpio: Advertise support for SPI_CS_HIGH
The spi-gpio driver already handles different chip select polarities,
but so far this was not advertised in master->mode_bits.
This patch fixes mmc_spi on top of spi_gpio, which is useful in some
testing scenarios.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-gpio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c index a4aee26028cd..3e98c1a0ba6d 100644 --- a/drivers/spi/spi-gpio.c +++ b/drivers/spi/spi-gpio.c @@ -428,7 +428,8 @@ static int spi_gpio_probe(struct platform_device *pdev) return status; master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32); - master->mode_bits = SPI_3WIRE | SPI_3WIRE_HIZ | SPI_CPHA | SPI_CPOL; + master->mode_bits = SPI_3WIRE | SPI_3WIRE_HIZ | SPI_CPHA | SPI_CPOL | + SPI_CS_HIGH; master->flags = master_flags; master->bus_num = pdev->id; /* The master needs to think there is a chipselect even if not connected */ |