spi: omap2-mcspi: Remove list_empty checking in omap2_mcspi_transfer_one_message

This checking is done in __spi_validate().

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

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 8f0afdb067b84b6212e2f76a5bcb848e23c1ad59..d90edaaa7f69fec727059838335b204cf69449c2 100644 (file)
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1208,9 +1208,6 @@ static int omap2_mcspi_transfer_one_message(struct spi_master *master,
        m->actual_length = 0;
        m->status = 0;
 
-       /* reject invalid messages and transfers */
-       if (list_empty(&m->transfers))
-               return -EINVAL;
        list_for_each_entry(t, &m->transfers, transfer_list) {
                const void      *tx_buf = t->tx_buf;
                void            *rx_buf = t->rx_buf;