kernel: delete Linux 5.4 config and patches

[openwrt/staging/chunkeey.git] / target / linux / layerscape / patches-5.4 / 806-dma-0019-dmaengine-fsl-edma-calculate-the-real-count-for-slav.patch

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 (file)
index f8bbaaf..0000000
--- 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;