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

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Message-Id: <20190430113611.648834954@linuxfoundation.org>
Date:   Tue, 30 Apr 2019 13:38:30 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Shun-Chih Yu <shun-chih.yu@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>
Subject: [PATCH 5.0 39/89] dmaengine: mediatek-cqdma: fix wrong register usage in mtk_cqdma_start

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

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@...iatek.com>
Cc: stable@...r.kernel.org
Signed-off-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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 */