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, 65 deletions

diff --git a/target/linux/layerscape/patches-5.4/806-dma-0011-MLK-16482-dma-fsl-edma-v3-Fix-RCU-issue-while-playin.patch b/target/linux/layerscape/patches-5.4/806-dma-0011-MLK-16482-dma-fsl-edma-v3-Fix-RCU-issue-while-playin.patch
deleted file mode 100644
index de37310dd0..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0011-MLK-16482-dma-fsl-edma-v3-Fix-RCU-issue-while-playin.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-From 46c343673c6eae7909f644f9b67101ce14309670 Mon Sep 17 00:00:00 2001
-From: Robin Gong <yibin.gong@nxp.com>
-Date: Tue, 19 Sep 2017 11:36:58 +0800
-Subject: [PATCH] MLK-16482: dma: fsl-edma-v3: Fix RCU issue while playing
- Audio
-
-That's caused by commit 593034f1b908 ("MLK-16437: dma: fsl-edma-v3:
-fix kernel crash while edma interrupt trigger after channel disabled").
-Because fsl_chan->vchan.lock will be hold always and trigger RCU report
-as below:
-
-1571.3  Playing WAVE '/mnt/nfs/vte_mx82/../test_stream/esai_stream/48k16bit-six.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Channels 6
-1571.5  [ 4642.698771] INFO: rcu_preempt detected stalls on CPUs/tasks:
-1571.6  [ 4642.704443] 0-...: (1 GPs behind) idle=2c5/140000000000000/0 softirq=155373/155374 fqs=2541
-1571.7  [ 4642.712967] (detected by 2, t=5252 jiffies, g=104259, c=104258, q=22)
-1571.8  [ 4642.719501] Task dump for CPU 0:
-1571.9  [ 4642.722724] aplay R running task 0 15723 15721 0x00000202
-1571.10  [ 4642.729786] Call trace:
-1571.11  [ 4642.732239] [<ffff0000080855e4>] __switch_to+0x8c/0xa0
-1571.12  [ 4642.737379] [<ffff0000084e3a48>] dma_chan_put+0x70/0xa0
-1571.13  [ 4642.742603] [<ffff0000084e3aac>] dma_release_channel+0x34/0xa0
-1571.14  [ 4642.748435] [<ffff000008972240>] fsl_asrc_dma_hw_free+0x38/0x50
-1571.15  [ 4642.754358] [<ffff000008960568>] soc_pcm_hw_free+0x110/0x1a8
-1571.16  [ 4642.760013] [<ffff000008963bcc>] dpcm_fe_dai_hw_free+0x6c/0xe0
-1571.17  [ 4642.765844] [<ffff000008948ae8>] snd_pcm_common_ioctl1+0xb40/0xce0
-1571.18  [ 4642.772028] [<ffff000008948e64>] snd_pcm_playback_ioctl1+0x1dc/0x310
-1571.19  [ 4642.778378] [<ffff000008948fc0>] snd_pcm_playback_ioctl+0x28/0x40
-1571.20  [ 4642.784470] [<ffff0000081ee0a4>] do_vfs_ioctl+0xa4/0x748
-1571.21  [ 4642.789784] [<ffff0000081ee7d4>] SyS_ioctl+0x8c/0xa0
-1571.22  [ 4642.794745] [<ffff000008082f4c>] __sys_trace_return+0x0/0x4
-1571.23  [ 4705.718740] INFO: rcu_preempt detected stalls on CPUs/tasks:
-1571.24  [ 4705.724420] 0-...: (1 GPs behind) idle=2c5/140000000000000/0 softirq=155373/155374 fqs=10407
-1571.25  [ 4705.733030] (detected by 1, t=21010 jiffies, g=104259, c=104258, q=119)
-
-Signed-off-by: Robin Gong <yibin.gong@nxp.com>
-Reported-by: Jason Liu <jason.hui.liu@nxp.com>
-Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
-Fixes: 593034f1b908 ("MLK-16437: dma: fsl-edma-v3: fix kernel crash
-while edma interrupt trigger after channel disabled").
-
-(cherry picked from commit e62e8707154f47e168fcfd148e97be4e2f991898)
----
- drivers/dma/fsl-edma-v3.c | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
---- a/drivers/dma/fsl-edma-v3.c
-+++ b/drivers/dma/fsl-edma-v3.c
-@@ -692,7 +692,7 @@ static irqreturn_t fsl_edma3_tx_handler(
- 
- 	/* Ignore this interrupt since channel has been disabled already */
- 	if (!fsl_chan->edesc)
--		return IRQ_HANDLED;
-+		goto irq_handled;
- 
- 	if (!fsl_chan->edesc->iscyclic) {
- 		fsl_edma3_get_realcnt(fsl_chan);
-@@ -706,7 +706,7 @@ static irqreturn_t fsl_edma3_tx_handler(
- 
- 	if (!fsl_chan->edesc)
- 		fsl_edma3_xfer_desc(fsl_chan);
--
-+irq_handled:
- 	spin_unlock(&fsl_chan->vchan.lock);
- 
- 	return IRQ_HANDLED;