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, 43 deletions

diff --git a/target/linux/layerscape/patches-5.4/806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch b/target/linux/layerscape/patches-5.4/806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch
deleted file mode 100644
index 42f151f3f7..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0025-MLK-22909-dmaengine-fsl-edma-v3-clear-interrupt-comi.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From 7021361c27946c60885b3f031ddde342f9a5432f Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Tue, 5 Nov 2019 21:32:22 +0800
-Subject: [PATCH] MLK-22909 dmaengine: fsl-edma-v3: clear interrupt coming
- after channel terminated
-
-Clear EDMA_CH_INT in case dma done interrupt comes after channel terminated
-instead of channel free-ed, otherwise, RCU maybe caught because it's
-ignored without interrupt status cleared as Android team report in Monkey
-test.
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-Acked-by: Fugang Duan <fugang.duan@nxp.com>
-(cherry picked from commit ef91ff6ed465cebe2fe6483a480351abba36e237)
-(cherry picked from commit 56ee55c71c5f3ef254acb4dee581e68f79ef13a5)
----
- drivers/dma/fsl-edma-v3.c | 8 ++++++--
- 1 file changed, 6 insertions(+), 2 deletions(-)
-
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -710,8 +710,8 @@ static irqreturn_t fsl_edma3_tx_handler(
- 
- 	spin_lock(&fsl_chan->vchan.lock);
- 
--	/* Ignore this interrupt since channel has been disabled already */
--	if (!fsl_chan->edesc)
-+	/* Ignore this interrupt since channel has been freeed with power off */
-+	if (!fsl_chan->edesc && !fsl_chan->tcd_pool)
- 		goto irq_handled;
- 
- 	base_addr = fsl_chan->membase;
-@@ -722,6 +722,10 @@ static irqreturn_t fsl_edma3_tx_handler(
- 
- 	writel(1, base_addr + EDMA_CH_INT);
- 
-+	/* 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);