spi: ti-ssp: Remove duplicate code to check full duplex transfer

This driver has set SPI_MASTER_HALF_DUPLEX flag, so spi core will reject full duplex transfer. We can remove the same checking in ti_ssp_spi_transfer().

---
 drivers/spi/spi-ti-ssp.c | 5 -----
 1 file changed, 5 deletions(-)

index 7d20e12..116640c 100644
@@ -256,11 +256,6 @@ static int ti_ssp_spi_transfer(struct spi_device *spi, struct spi_message *m)
 			dev_err(&spi->dev, "invalid xfer, no buffer\n");
 			return -EINVAL;
 		}
-
-		if (t->len && t->rx_buf && t->tx_buf) {
-			dev_err(&spi->dev, "invalid xfer, full duplex\n");
-			return -EINVAL;
-		}
 	}
 
 	spin_lock(&hw->lock);

1.8.3.2



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Arnd has actually been working on removing this driver since it appears to be unused - it got a few acks now so I just applied the patch deleting it entirely.