1 files changed, 0 insertions, 106 deletions
diff --git a/target/linux/layerscape/patches-5.4/806-dma-0008-MLK-15330-3-dma-fsl-edma-v3-add-dual-fifo-support.patch b/target/linux/layerscape/patches-5.4/806-dma-0008-MLK-15330-3-dma-fsl-edma-v3-add-dual-fifo-support.patch
deleted file mode 100644
index 36222efcb2..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0008-MLK-15330-3-dma-fsl-edma-v3-add-dual-fifo-support.patch
+++ /dev/null
@@ -1,106 +0,0 @@
-From 6c753f83ffc3fede13582f667a15e7f6e97f972c Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Tue, 4 Jul 2017 16:04:36 +0800
-Subject: [PATCH] MLK-15330-3 dma: fsl-edma-v3: add dual fifo support
-
-There is Audio dual fifo cause that fill fifo one by one and
-loop back after every minor loop:
-  -- fill the first 32bit width fifo
-  -- fill the next 32bit width fifo
-  -- +MLOFF signed offset after the above two FIFOs filled
-  -- loop back to the first step to handle the next minor loop.
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-(cherry picked from commit 5aa5e9663bb3a834444b75ea086bef8c37ecb636)
----
- .../devicetree/bindings/dma/fsl-edma-v3.txt        |  2 ++
- drivers/dma/fsl-edma-v3.c                          | 29 ++++++++++++++++++++--
- 2 files changed, 29 insertions(+), 2 deletions(-)
-
---- a/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt
-+++ b/Documentation/devicetree/bindings/dma/fsl-edma-v3.txt
-@@ -22,6 +22,8 @@ Required properties:
- 		0: transmit, 1: receive.
- 	BIT(1): local or remote access:
- 		0: local, 1: remote.
-+	BIT(2): dualfifo case or not(only in Audio cyclic now):
-+		0: not dual fifo case, 1: dualfifo case.
- 	See the SoC's reference manual for all the supported request sources.
- - dma-channels : Number of channels supported by the controller
- 
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -78,6 +78,9 @@
- 
- #define EDMA_TCD_SOFF_SOFF(x)		(x)
- #define EDMA_TCD_NBYTES_NBYTES(x)	(x)
-+#define EDMA_TCD_NBYTES_MLOFF(x)	(x << 10)
-+#define EDMA_TCD_NBYTES_DMLOE		(1 << 30)
-+#define EDMA_TCD_NBYTES_SMLOE		(1 << 31)
- #define EDMA_TCD_SLAST_SLAST(x)		(x)
- #define EDMA_TCD_DADDR_DADDR(x)		(x)
- #define EDMA_TCD_CITER_CITER(x)		((x) & 0x7FFF)
-@@ -102,6 +105,7 @@
- 
- #define ARGS_RX				BIT(0)
- #define ARGS_REMOTE			BIT(1)
-+#define ARGS_DFIFO			BIT(2)
- 
- struct fsl_edma3_hw_tcd {
- 	__le32	saddr;
-@@ -143,6 +147,7 @@ struct fsl_edma3_chan {
- 	int				priority;
- 	int				is_rxchan;
- 	int				is_remote;
-+	int				is_dfifo;
- 	struct dma_pool			*tcd_pool;
- 	u32				chn_real_count;
- 	char				txirq_name[32];
-@@ -454,6 +459,19 @@ void fsl_edma3_fill_tcd(struct fsl_edma3
- 
- 	tcd->soff = cpu_to_le16(EDMA_TCD_SOFF_SOFF(soff));
- 
-+	if (fsl_chan->is_dfifo) {
-+		/* set mloff as -8 */
-+		nbytes |= EDMA_TCD_NBYTES_MLOFF(-8);
-+		/* enable DMLOE/SMLOE */
-+		if (fsl_chan->fsc.dir == DMA_MEM_TO_DEV) {
-+			nbytes |= EDMA_TCD_NBYTES_DMLOE;
-+			nbytes &= ~EDMA_TCD_NBYTES_SMLOE;
-+		} else {
-+			nbytes |= EDMA_TCD_NBYTES_SMLOE;
-+			nbytes &= ~EDMA_TCD_NBYTES_DMLOE;
-+		}
-+	}
-+
- 	tcd->nbytes = cpu_to_le32(EDMA_TCD_NBYTES_NBYTES(nbytes));
- 	tcd->slast = cpu_to_le32(EDMA_TCD_SLAST_SLAST(slast));
- 
-@@ -540,11 +558,17 @@ static struct dma_async_tx_descriptor *f
- 			src_addr = dma_buf_next;
- 			dst_addr = fsl_chan->fsc.dev_addr;
- 			soff = fsl_chan->fsc.addr_width;
--			doff = 0;
-+			if (fsl_chan->is_dfifo)
-+				doff = 4;
-+			else
-+				doff = 0;
- 		} else if (fsl_chan->fsc.dir == DMA_DEV_TO_MEM) {
- 			src_addr = fsl_chan->fsc.dev_addr;
- 			dst_addr = dma_buf_next;
--			soff = 0;
-+			if (fsl_chan->is_dfifo)
-+				soff = 4;
-+			else
-+				soff = 0;
- 			doff = fsl_chan->fsc.addr_width;
- 		} else {
- 			/* DMA_DEV_TO_DEV */
-@@ -715,6 +739,7 @@ static struct dma_chan *fsl_edma3_xlate(
- 			fsl_chan->priority = dma_spec->args[1];
- 			fsl_chan->is_rxchan = dma_spec->args[2] & ARGS_RX;
- 			fsl_chan->is_remote = dma_spec->args[2] & ARGS_REMOTE;
-+			fsl_chan->is_dfifo = dma_spec->args[2] & ARGS_DFIFO;
- 			mutex_unlock(&fsl_edma3->fsl_edma3_mutex);
- 			return chan;
- 		}