From 889272d92db689fd9c910243635e44c9d8323095 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 11 Jan 2017 10:42:04 +0100 Subject: [PATCH] ar71xx: fix RB4xx CPLD SPI device mode setup Commit af79fdbe4af3 changed the code to use tx_nbits for dual SPI tx transfers, however the SPI stack only allows this when the device mode includes the relevant bit as well Signed-off-by: Felix Fietkau --- target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c index f6ec3505252..0534c7c3745 100644 --- a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c +++ b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c @@ -279,7 +279,7 @@ static int rb4xx_cpld_probe(struct spi_device *spi) cpld->spi = spi_dev_get(spi); dev_set_drvdata(&spi->dev, cpld); - spi->mode = SPI_MODE_0; + spi->mode = SPI_MODE_0 | SPI_TX_DUAL; spi->bits_per_word = 8; err = spi_setup(spi); if (err) { -- 2.30.2