[PATCH 3/6] spi: imx: avoid dmaengine_terminate_all() on TX prep failure

[Carlos Song]

If dmaengine_prep_slave_sg() fails, no descriptor is submitted to the TX
channel and DMA is never started. Therefore, calling
dmaengine_terminate_all() for the TX DMA channel is unnecessary.

Signed-off-by: Carlos Song <carlos.song at nxp.com>
---
 drivers/spi/spi-imx.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 012f5bcbf73f..186963d3d2e0 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1468,7 +1468,6 @@ static int spi_imx_dma_submit(struct spi_imx_data *spi_imx,
 					  tx->sgl, tx->nents, DMA_MEM_TO_DEV,
 					  DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 	if (!desc_tx) {
-		dmaengine_terminate_all(controller->dma_tx);
 		dmaengine_terminate_all(controller->dma_rx);
 		return -EINVAL;
 	}
-- 
2.34.1