1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0023-MLK-22284-2-dmaengine-fsl-edma-v3-check-dma-descript.patch b/target/linux/layerscape/patches-5.4/806-dma-0023-MLK-22284-2-dmaengine-fsl-edma-v3-check-dma-descript.patch
deleted file mode 100644
index c073dd5c6a..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0023-MLK-22284-2-dmaengine-fsl-edma-v3-check-dma-descript.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 89885c09160b04ae2eec82cf9b35117ff6aa4c5d Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Wed, 8 May 2019 00:13:40 +0800
-Subject: [PATCH] MLK-22284-2 dmaengine: fsl-edma-v3: check dma description
- before register touch
-
-Check dma desscription firstly to ignore any unexpected interrupt
-after channel terminate, otherwise, still have chance to touch channel
-register whose power has been already off.
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-Reviewed-by: S.j. Wang <shengjiu.wang@nxp.com>
-(cherry picked from commit fd073e017e317006a4c254ca5ae3ea17b6f32502)
----
- drivers/dma/fsl-edma-v3.c | 14 +++++++-------
- 1 file changed, 7 insertions(+), 7 deletions(-)
-
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -708,20 +708,20 @@ static irqreturn_t fsl_edma3_tx_handler(
- 	unsigned int intr;
- 	void __iomem *base_addr;
- 
-+	spin_lock(&fsl_chan->vchan.lock);
-+
-+	/* Ignore this interrupt since channel has been disabled already */
-+	if (!fsl_chan->edesc)
-+		goto irq_handled;
-+
- 	base_addr = fsl_chan->membase;
- 
- 	intr = readl(base_addr + EDMA_CH_INT);
- 	if (!intr)
--		return IRQ_NONE;
-+		goto irq_handled;
- 
- 	writel(1, base_addr + EDMA_CH_INT);
- 
--	spin_lock(&fsl_chan->vchan.lock);
--
--	/* Ignore this interrupt since channel has been disabled already */
--	if (!fsl_chan->edesc)
--		goto irq_handled;
--
- 	if (!fsl_chan->edesc->iscyclic) {
- 		fsl_edma3_get_realcnt(fsl_chan);
- 		list_del(&fsl_chan->edesc->vdesc.node);