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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:37 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:37 +0000 |
| commit | 06343b27411344fc542f4f3a643f8441aa35252d (patch) | |
| tree | 66aa45187c93c350bbdf7e6ae4467a70bf3a8f4c /debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch | |
| parent | Merging upstream version 4.19.260. (diff) | |
| download | linux-06343b27411344fc542f4f3a643f8441aa35252d.tar.xz linux-06343b27411344fc542f4f3a643f8441aa35252d.zip | |
Adding debian version 4.19.260-1.debian/4.19.260-1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch')
| -rw-r--r-- | debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch b/debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch new file mode 100644 index 000000000..f4ab668e2 --- /dev/null +++ b/debian/patches-rt/0266-arm-imx6-cpuidle-Use-raw_spinlock_t.patch @@ -0,0 +1,48 @@ +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Tue, 14 May 2019 17:07:44 +0200 +Subject: [PATCH 266/342] arm: imx6: cpuidle: Use raw_spinlock_t +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=18215a774fb6f25e6044f44d0bb7285b03a1e151 + +[ Upstream commit 40d0332ec8312e9c090f0a5414d9c90e12b13611 ] + +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> +Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> +--- + arch/arm/mach-imx/cpuidle-imx6q.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/arch/arm/mach-imx/cpuidle-imx6q.c b/arch/arm/mach-imx/cpuidle-imx6q.c +index 326e870d7123..d9ac80aa1eb0 100644 +--- a/arch/arm/mach-imx/cpuidle-imx6q.c ++++ b/arch/arm/mach-imx/cpuidle-imx6q.c +@@ -17,22 +17,22 @@ + #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; + } |