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ar71xx: fix RB4xx SPI driver mode bits

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Accept SPI_TX_DUAL in device mode to fix the CPLD driver

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2017-01-11 12:26:27 +01:00
parent 15f4fbb7bd
commit c3a8b87773
1 changed files with 1 additions and 1 deletions
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target/linux/ar71xx/files/drivers/spi/spi-rb4xx.c
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@ -261,7 +261,7 @@ static int rb4xx_spi_setup(struct spi_device *spi)
struct rb4xx_spi *rbspi = spi_master_get_devdata(spi->master); struct rb4xx_spi *rbspi = spi_master_get_devdata(spi->master);
unsigned long flags; unsigned long flags;
if (spi->mode & ~(SPI_CS_HIGH)) { if (spi->mode & ~(SPI_CS_HIGH | SPI_TX_DUAL)) {
dev_err(&spi->dev, "mode %x not supported\n", dev_err(&spi->dev, "mode %x not supported\n",
(unsigned) spi->mode); (unsigned) spi->mode);
return -EINVAL; return -EINVAL;