[rt] Update to 5.4.3-rt1 and re-enable

Adjust for context changes due to backport of
e66b39af00f4 ("workqueue: Fix pwq ref leak in rescuer_thread()") and
def98c84b6cd ("workqueue: Fix spurious sanity check failures in
destroy_workqueue()") in 5.4.4.

1 files changed, 0 insertions, 43 deletions

diff --git a/debian/patches-rt/arm-imx6-cpuidle-Use-raw_spinlock_t.patch b/debian/patches-rt/arm-imx6-cpuidle-Use-raw_spinlock_t.patch
deleted file mode 100644
index fd14557cf..000000000
--- a/debian/patches-rt/arm-imx6-cpuidle-Use-raw_spinlock_t.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
-Date: Tue, 14 May 2019 17:07:44 +0200
-Subject: [PATCH] arm: imx6: cpuidle: Use raw_spinlock_t
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz
-
-The idle call back is invoked with disabled interrupts and requires
-raw_spinlock_t locks to work.
-
-Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
----
- arch/arm/mach-imx/cpuidle-imx6q.c |   10 +++++-----
- 1 file changed, 5 insertions(+), 5 deletions(-)
-
---- a/arch/arm/mach-imx/cpuidle-imx6q.c
-+++ b/arch/arm/mach-imx/cpuidle-imx6q.c
-@@ -14,22 +14,22 @@
- #include "hardware.h"
- 
- static int num_idle_cpus = 0;
--static DEFINE_SPINLOCK(cpuidle_lock);
-+static DEFINE_RAW_SPINLOCK(cpuidle_lock);
- 
- static int imx6q_enter_wait(struct cpuidle_device *dev,
- 			    struct cpuidle_driver *drv, int index)
- {
--	spin_lock(&cpuidle_lock);
-+	raw_spin_lock(&cpuidle_lock);
- 	if (++num_idle_cpus == num_online_cpus())
- 		imx6_set_lpm(WAIT_UNCLOCKED);
--	spin_unlock(&cpuidle_lock);
-+	raw_spin_unlock(&cpuidle_lock);
- 
- 	cpu_do_idle();
- 
--	spin_lock(&cpuidle_lock);
-+	raw_spin_lock(&cpuidle_lock);
- 	if (num_idle_cpus-- == num_online_cpus())
- 		imx6_set_lpm(WAIT_CLOCKED);
--	spin_unlock(&cpuidle_lock);
-+	raw_spin_unlock(&cpuidle_lock);
- 
- 	return index;
- }