| Message ID | 1364905195-24286-6-git-send-email-tpiepho@gmail.com (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index ad3fd9c..208de97 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -412,12 +412,6 @@ static int mxs_spi_transfer_one(struct spi_master *master, /* De-assert on last transfer, inverted by cs_change flag */ flag = (&t->transfer_list == m->transfers.prev) ^ t->cs_change ? TXRX_DEASSERT_CS : 0; - if ((t->rx_buf && t->tx_buf) || (t->rx_dma && t->tx_dma)) { - dev_err(ssp->dev, - "Cannot send and receive simultaneously\n"); - status = -EINVAL; - break; - } /* * Small blocks can be transfered via PIO.
Because the driver sets the SPI_MASTER_HALF_DUPLEX flag, the spi core will check transfers to insure they are not full duplex. It's not necessary to check that in the mxs driver as well. Signed-off-by: Trent Piepho <tpiepho@gmail.com> Cc: Marek Vasut <marex@denx.de> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Shawn Guo <shawn.guo@linaro.org> --- drivers/spi/spi-mxs.c | 6 ------ 1 file changed, 6 deletions(-)