| Message ID | 20131001201511.13660.36973.stgit@Graphine (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index a9a273e..de7387e 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -399,12 +399,6 @@ 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 spi-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(-) ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134791&iu=/4140/ostg.clktrk