spi: txx9: 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>
Reviewed-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/spi/spi-txx9.c b/drivers/spi/spi-txx9.c
index 5cfaafc368fc..820b499816f8 100644
--- a/drivers/spi/spi-txx9.c
+++ b/drivers/spi/spi-txx9.c
@@ -306,12 +306,8 @@ static int txx9spi_transfer(struct spi_device *spi, struct spi_message *m)
 
         /* check each transfer's parameters */
         list_for_each_entry(t, &m->transfers, transfer_list) {
-                u8 bits_per_word = t->bits_per_word;
-
                 if (!t->tx_buf && !t->rx_buf && t->len)
                         return -EINVAL;
-                if (t->len & ((bits_per_word >> 3) - 1))
-                        return -EINVAL;
         }
 
         spin_lock_irqsave(&c->lock, flags);