spi: atmel: Let spi core handle validating transfer length

spi core will handle validating transfer length since commit 4d94bd21b333
"spi: core: Validate length of the transfers in message".
So remove the same checking in this driver.

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

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 88bebf8..4804586 100644 (file)
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1087,14 +1087,6 @@ static int atmel_spi_one_transfer(struct spi_master *master,
                }
        }
 
-       if (xfer->bits_per_word > 8) {
-               if (xfer->len % 2) {
-                       dev_dbg(&spi->dev,
-                       "buffer len should be 16 bits aligned\n");
-                       return -EINVAL;
-               }
-       }
-
        /*
         * DMA map early, for performance (empties dcache ASAP) and
         * better fault reporting.