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, 60 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0105-sdk-qbman-fix-issue-in-qman_delete_cgr_safe.patch b/target/linux/layerscape/patches-5.4/701-net-0105-sdk-qbman-fix-issue-in-qman_delete_cgr_safe.patch
deleted file mode 100644
index 830a2ec05b..0000000000
--- a/target/linux/layerscape/patches-5.4/701-net-0105-sdk-qbman-fix-issue-in-qman_delete_cgr_safe.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-From a16c129c9dfae01921faaed98587d318459d5cfc Mon Sep 17 00:00:00 2001
-From: Zhao Qiang <qiang.zhao@nxp.com>
-Date: Wed, 30 May 2018 17:09:02 +0800
-Subject: [PATCH] sdk/qbman: fix issue in qman_delete_cgr_safe()
-
-The wait_for_completion() call in qman_delete_cgr_safe()
-was triggering a scheduling while atomic bug, replacing the
-kthread with a smp_call_function_single() call to fix it.
-
-Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
-Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
----
- drivers/staging/fsl_qbman/qman_high.c | 29 ++++++-----------------------
- 1 file changed, 6 insertions(+), 23 deletions(-)
-
---- a/drivers/staging/fsl_qbman/qman_high.c
-+++ b/drivers/staging/fsl_qbman/qman_high.c
-@@ -3075,36 +3075,19 @@ struct cgr_comp {
- 	struct completion completion;
- };
- 
--static int qman_delete_cgr_thread(void *p)
-+static void qman_delete_cgr_smp_call(void *p)
- {
--	struct cgr_comp *cgr_comp = (struct cgr_comp *)p;
--	int res;
--
--	res = qman_delete_cgr((struct qman_cgr *)cgr_comp->cgr);
--	complete(&cgr_comp->completion);
--
--	return res;
-+	qman_delete_cgr((struct qman_cgr *)p);
- }
- 
- void qman_delete_cgr_safe(struct qman_cgr *cgr)
- {
--	struct task_struct *thread;
--	struct cgr_comp cgr_comp;
--
- 	preempt_disable();
- 	if (qman_cgr_cpus[cgr->cgrid] != smp_processor_id()) {
--		init_completion(&cgr_comp.completion);
--		cgr_comp.cgr = cgr;
--		thread = kthread_create(qman_delete_cgr_thread, &cgr_comp,
--					"cgr_del");
--
--		if (likely(!IS_ERR(thread))) {
--			kthread_bind(thread, qman_cgr_cpus[cgr->cgrid]);
--			wake_up_process(thread);
--			wait_for_completion(&cgr_comp.completion);
--			preempt_enable();
--			return;
--		}
-+		smp_call_function_single(qman_cgr_cpus[cgr->cgrid],
-+					 qman_delete_cgr_smp_call, cgr, true);
-+		preempt_enable();
-+		return;
- 	}
- 	qman_delete_cgr(cgr);
- 	preempt_enable();