spi/s3c64xx: Flush FIFOs prior to cleaning up transfer

Ensure that the FIFOs are fully drained before we deassert /CS or do any
delays that have been requested in order to ensure that the behaviour
visible on the bus matches that which was requested by the caller.

Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 229c6b994be3..2e267ce9dc19 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -960,6 +960,8 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
                         goto out;
                 }
 
+                flush_fifo(sdd);
+
                 if (xfer->delay_usecs)
                         udelay(xfer->delay_usecs);
 
@@ -972,8 +974,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
                 }
 
                 msg->actual_length += xfer->len;
-
-                flush_fifo(sdd);
         }
 
 out: