1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0019-dmaengine-fsl-edma-calculate-the-real-count-for-slav.patch b/target/linux/layerscape/patches-5.4/806-dma-0019-dmaengine-fsl-edma-calculate-the-real-count-for-slav.patch
deleted file mode 100644
index f8bbaaffa1..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0019-dmaengine-fsl-edma-calculate-the-real-count-for-slav.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-From 7b126c5fbddf179c7d2c2393100329aa45cd8ac4 Mon Sep 17 00:00:00 2001
-From: Fugang Duan <fugang.duan@nxp.com>
-Date: Fri, 9 Aug 2019 15:14:08 +0800
-Subject: [PATCH] dmaengine: fsl-edma: calculate the real count for slave sg
-
-Calculate the rela count for current slave sg after eDMA stop.
-
-Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
----
- drivers/dma/fsl-edma-common.c | 11 ++++++++++-
- drivers/dma/fsl-edma-common.h |  2 ++
- drivers/dma/fsl-edma.c        |  1 +
- 3 files changed, 13 insertions(+), 1 deletion(-)
-
---- a/drivers/dma/fsl-edma-common.c
-+++ b/drivers/dma/fsl-edma-common.c
-@@ -305,6 +305,11 @@ static size_t fsl_edma_desc_residue(stru
- 	return len;
- }
- 
-+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan)
-+{
-+	fsl_chan->chn_real_count = fsl_edma_desc_residue(fsl_chan, NULL, true);
-+}
-+
- enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
- 		dma_cookie_t cookie, struct dma_tx_state *txstate)
- {
-@@ -314,8 +319,12 @@ enum dma_status fsl_edma_tx_status(struc
- 	unsigned long flags;
- 
- 	status = dma_cookie_status(chan, cookie, txstate);
--	if (status == DMA_COMPLETE)
-+	if (status == DMA_COMPLETE) {
-+		spin_lock_irqsave(&fsl_chan->vchan.lock, flags);
-+		txstate->residue = fsl_chan->chn_real_count;
-+		spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags);
- 		return status;
-+	}
- 
- 	if (!txstate)
- 		return fsl_chan->status;
---- a/drivers/dma/fsl-edma-common.h
-+++ b/drivers/dma/fsl-edma-common.h
-@@ -126,6 +126,7 @@ struct fsl_edma_chan {
- 	u32				dma_dev_size;
- 	enum dma_data_direction		dma_dir;
- 	char				chan_name[16];
-+	u32				chn_real_count;
- };
- 
- struct fsl_edma_desc {
-@@ -229,6 +230,7 @@ int fsl_edma_pause(struct dma_chan *chan
- int fsl_edma_resume(struct dma_chan *chan);
- int fsl_edma_slave_config(struct dma_chan *chan,
- 				 struct dma_slave_config *cfg);
-+void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan);
- enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
- 		dma_cookie_t cookie, struct dma_tx_state *txstate);
- struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic(
---- a/drivers/dma/fsl-edma.c
-+++ b/drivers/dma/fsl-edma.c
-@@ -53,6 +53,7 @@ static irqreturn_t fsl_edma_tx_handler(i
- 			}
- 
- 			if (!fsl_chan->edesc->iscyclic) {
-+				fsl_edma_get_realcnt(fsl_chan);
- 				list_del(&fsl_chan->edesc->vdesc.node);
- 				vchan_cookie_complete(&fsl_chan->edesc->vdesc);
- 				fsl_chan->edesc = NULL;