spi: omap-uwire: Remove full duplex check

This driver sets the SPI_MASTER_HALF_DUPLEX flag, so the spi core will check
transfers to ensure they are not full duplex.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c
index 95cc694..f5176bb 100644 (file)
--- a/drivers/spi/spi-omap-uwire.c
+++ b/drivers/spi/spi-omap-uwire.c
@@ -218,10 +218,6 @@ static int uwire_txrx(struct spi_device *spi, struct spi_transfer *t)
        if (!t->tx_buf && !t->rx_buf)
                return 0;
 
-       /* Microwire doesn't read and write concurrently */
-       if (t->tx_buf && t->rx_buf)
-               return -EPERM;
-
        w = spi->chip_select << 10;
        w |= CS_CMD;