[PATCH] spi: lpspi: add missing complete in abort func at dma mode

[Clark Wang]

Add the missing complete operations for dma_completion to fix the
problem of blocking at the wait_for_completion_interruptible()
function when use spi_slave_abort().

Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 drivers/spi/spi-fsl-lpspi.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 4de8eb378752..2ad9d6262c2b 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -482,7 +482,13 @@ static int fsl_lpspi_slave_abort(struct spi_controller *controller)
 				spi_controller_get_devdata(controller);
 
 	fsl_lpspi->slave_aborted = true;
-	complete(&fsl_lpspi->xfer_done);
+	if (!fsl_lpspi->usedma)
+		complete(&fsl_lpspi->xfer_done);
+	else {
+		complete(&fsl_lpspi->dma_tx_completion);
+		complete(&fsl_lpspi->dma_rx_completion);
+	}
+
 	return 0;
 }
 
-- 
2.20.1