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, 42 deletions

diff --git a/target/linux/layerscape/patches-5.4/806-dma-0010-MLK-16437-dma-fsl-edma-v3-fix-kernel-crash-while-edm.patch b/target/linux/layerscape/patches-5.4/806-dma-0010-MLK-16437-dma-fsl-edma-v3-fix-kernel-crash-while-edm.patch
deleted file mode 100644
index 6bc905c049..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0010-MLK-16437-dma-fsl-edma-v3-fix-kernel-crash-while-edm.patch
+++ /dev/null
@@ -1,42 +0,0 @@
-From e0d0cdff101b2f00ce1fd420522bd22bb6eebd9f Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Wed, 13 Sep 2017 16:39:49 +0800
-Subject: [PATCH] MLK-16437: dma: fsl-edma-v3: fix kernel crash while edma
- interrupt trigger after channel disabled
-
-edma interrupt may come after channel terminated, so should ignore
-interrupts, else kernel crash as below since fsl_chan->edesc set
-to NULL when terminate.
-
- 606.837306] Unable to handle kernel NULL pointer dereference at virtual address 00000060
-[  606.845411] pgd = ffff000009295000
-[  606.848814] [00000060] *pgd=00000008bfffe003[  606.852906] , *pud=00000008bfffd003
- , *pmd=0000000000000000[  606.858395]
-[  606.859885] Internal error: Oops: 96000006 1 PREEMPT SMP
-[  606.865460] Modules linked in:
-[  606.868522] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.11-03371-g9904ea0 #42
-[  606.875832] Hardware name: Freescale i.MX8QXP LPDDR4 ARM2 (DT)
-[  606.881662] task: ffff000009120680 task.stack: ffff000009110000
-[  606.887588] PC is at fsl_edma3_tx_handler+0x50/0x150
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-Tested-by: Daniel Baluta <daniel.baluta@nxp.com>
-(cherry picked from commit 625afad5a0900bc3e3288510f61647b1d891a5a4)
----
- drivers/dma/fsl-edma-v3.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -689,6 +689,11 @@ static irqreturn_t fsl_edma3_tx_handler(
- 	writel(1, base_addr + EDMA_CH_INT);
- 
- 	spin_lock(&fsl_chan->vchan.lock);
-+
-+	/* Ignore this interrupt since channel has been disabled already */
-+	if (!fsl_chan->edesc)
-+		return IRQ_HANDLED;
-+
- 	if (!fsl_chan->edesc->iscyclic) {
- 		fsl_edma3_get_realcnt(fsl_chan);
- 		list_del(&fsl_chan->edesc->vdesc.node);