spi: sh-msiof: Fix transmit-only DMA transfers

Fix tx/rx mixup, which broke transmit-only transfers.

Introduced by commit 4240305f7cbdc7782aa8bc40cc702775d9ac0839
("spi: sh-msiof: Fix leaking of unused DMA descriptors").

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 887c2084130f..543075b80f16 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -693,9 +693,9 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx,
         reinit_completion(&p->done);
 
         /* Now start DMA */
-        if (tx)
-                dma_async_issue_pending(p->master->dma_rx);
         if (rx)
+                dma_async_issue_pending(p->master->dma_rx);
+        if (tx)
                 dma_async_issue_pending(p->master->dma_tx);
 
         ret = sh_msiof_spi_start(p, rx);