kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

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;