ar71xx: fix RB4xx SPI driver mode bits
Accept SPI_TX_DUAL in device mode to fix the CPLD driver Signed-off-by: Felix Fietkau <nbd@nbd.name>
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1 changed files with 1 additions and 1 deletions
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@ -261,7 +261,7 @@ static int rb4xx_spi_setup(struct spi_device *spi)
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struct rb4xx_spi *rbspi = spi_master_get_devdata(spi->master);
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unsigned long flags;
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if (spi->mode & ~(SPI_CS_HIGH)) {
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if (spi->mode & ~(SPI_CS_HIGH | SPI_TX_DUAL)) {
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dev_err(&spi->dev, "mode %x not supported\n",
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(unsigned) spi->mode);
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return -EINVAL;
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