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, 100 deletions

diff --git a/target/linux/generic/hack-5.4/661-use_fq_codel_by_default.patch b/target/linux/generic/hack-5.4/661-use_fq_codel_by_default.patch
deleted file mode 100644
index 11f1a25bce..0000000000
--- a/target/linux/generic/hack-5.4/661-use_fq_codel_by_default.patch
+++ /dev/null
@@ -1,100 +0,0 @@
-From 1d418f7e88035ed7a94073f6354246c66e9193e9 Mon Sep 17 00:00:00 2001
-From: Felix Fietkau <nbd@nbd.name>
-Date: Fri, 7 Jul 2017 17:22:58 +0200
-Subject: fq_codel: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- include/net/sch_generic.h | 3 ++-
- net/sched/Kconfig         | 3 ++-
- net/sched/sch_api.c       | 2 +-
- net/sched/sch_fq_codel.c  | 3 ++-
- net/sched/sch_generic.c   | 4 ++--
- 5 files changed, 9 insertions(+), 6 deletions(-)
-
---- a/include/net/sch_generic.h
-+++ b/include/net/sch_generic.h
-@@ -617,12 +617,13 @@ extern struct Qdisc_ops noop_qdisc_ops;
- extern struct Qdisc_ops pfifo_fast_ops;
- extern struct Qdisc_ops mq_qdisc_ops;
- extern struct Qdisc_ops noqueue_qdisc_ops;
-+extern struct Qdisc_ops fq_codel_qdisc_ops;
- extern const struct Qdisc_ops *default_qdisc_ops;
- static inline const struct Qdisc_ops *
- get_default_qdisc_ops(const struct net_device *dev, int ntx)
- {
- 	return ntx < dev->real_num_tx_queues ?
--			default_qdisc_ops : &pfifo_fast_ops;
-+			default_qdisc_ops : &fq_codel_qdisc_ops;
- }
- 
- struct Qdisc_class_common {
---- a/net/sched/Kconfig
-+++ b/net/sched/Kconfig
-@@ -4,8 +4,9 @@
- #
- 
- menuconfig NET_SCHED
--	bool "QoS and/or fair queueing"
-+	def_bool y
- 	select NET_SCH_FIFO
-+	select NET_SCH_FQ_CODEL
- 	---help---
- 	  When the kernel has several packets to send out over a network
- 	  device, it has to decide which ones to send first, which ones to
---- a/net/sched/sch_api.c
-+++ b/net/sched/sch_api.c
-@@ -2278,7 +2278,7 @@ static int __init pktsched_init(void)
- 		return err;
- 	}
- 
--	register_qdisc(&pfifo_fast_ops);
-+	register_qdisc(&fq_codel_qdisc_ops);
- 	register_qdisc(&pfifo_qdisc_ops);
- 	register_qdisc(&bfifo_qdisc_ops);
- 	register_qdisc(&pfifo_head_drop_qdisc_ops);
---- a/net/sched/sch_fq_codel.c
-+++ b/net/sched/sch_fq_codel.c
-@@ -710,7 +710,7 @@ static const struct Qdisc_class_ops fq_c
- 	.walk		=	fq_codel_walk,
- };
- 
--static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
-+struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = {
- 	.cl_ops		=	&fq_codel_class_ops,
- 	.id		=	"fq_codel",
- 	.priv_size	=	sizeof(struct fq_codel_sched_data),
-@@ -725,6 +725,7 @@ static struct Qdisc_ops fq_codel_qdisc_o
- 	.dump_stats =	fq_codel_dump_stats,
- 	.owner		=	THIS_MODULE,
- };
-+EXPORT_SYMBOL(fq_codel_qdisc_ops);
- 
- static int __init fq_codel_module_init(void)
- {
---- a/net/sched/sch_generic.c
-+++ b/net/sched/sch_generic.c
-@@ -32,7 +32,7 @@
- #include <net/xfrm.h>
- 
- /* Qdisc to use by default */
--const struct Qdisc_ops *default_qdisc_ops = &pfifo_fast_ops;
-+const struct Qdisc_ops *default_qdisc_ops = &fq_codel_qdisc_ops;
- EXPORT_SYMBOL(default_qdisc_ops);
- 
- static void qdisc_maybe_clear_missed(struct Qdisc *q,
-@@ -1079,12 +1079,12 @@ static void attach_one_default_qdisc(str
- 				     void *_unused)
- {
- 	struct Qdisc *qdisc;
--	const struct Qdisc_ops *ops = default_qdisc_ops;
-+	const struct Qdisc_ops *ops = &fq_codel_qdisc_ops;
- 
- 	if (dev->priv_flags & IFF_NO_QUEUE)
- 		ops = &noqueue_qdisc_ops;
- 	else if(dev->type == ARPHRD_CAN)
--		ops = &pfifo_fast_ops;
-+		ops = &fq_codel_qdisc_ops;
- 
- 	qdisc = qdisc_create_dflt(dev_queue, ops, TC_H_ROOT, NULL);
- 	if (!qdisc) {