[PATCH 5.0 39/89] dmaengine: mediatek-cqdma: fix wrong register usage in mtk_cqdma_start

From: Greg Kroah-Hartman
Date: Tue Apr 30 2019 - 07:49:35 EST


From: Shun-Chih Yu <shun-chih.yu@xxxxxxxxxxxx>

commit 5bb5c3a3ac102158b799bf5eda871223aa5e9c25 upstream.

This patch fixes wrong register usage in the mtk_cqdma_start. The
destination register should be MTK_CQDMA_DST2 instead.

Fixes: b1f01e48df5a ("dmaengine: mediatek: Add MediaTek Command-Queue DMA controller for MT6765 SoC")
Signed-off-by: Shun-Chih Yu <shun-chih.yu@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/dma/mediatek/mtk-cqdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/dma/mediatek/mtk-cqdma.c
+++ b/drivers/dma/mediatek/mtk-cqdma.c
@@ -253,7 +253,7 @@ static void mtk_cqdma_start(struct mtk_c
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
mtk_dma_set(pc, MTK_CQDMA_DST2, cvd->dest >> MTK_CQDMA_ADDR2_SHFIT);
#else
- mtk_dma_set(pc, MTK_CQDMA_SRC2, 0);
+ mtk_dma_set(pc, MTK_CQDMA_DST2, 0);
#endif

/* setup the length */