spi: gpio: Advertise support for SPI_CS_HIGH
authorJonathan Neuschäfer <j.neuschaefer@gmx.net>
Sun, 10 Feb 2019 17:10:08 +0000 (18:10 +0100)
committerMark Brown <broonie@kernel.org>
Tue, 12 Feb 2019 16:41:10 +0000 (16:41 +0000)
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>
drivers/spi/spi-gpio.c

index a4aee26028cdf59c8bce2144e02b532e0d591cbd..3e98c1a0ba6d9d03043c56fdd9a77021fedebe08 100644 (file)
@@ -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 */