diff options
| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2019-05-14 17:07:44 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-23 14:57:12 -0400 |
| commit | b88b2863c36849e0defc0692816c34ceffeda384 (patch) | |
| tree | 9a884361d0f66971fc681897a93d10da0b0b16b6 | |
| parent | d4200ab75cddebfa22c3c28ba049df911e244f1b (diff) | |
arm: imx6: cpuidle: Use raw_spinlock_t
[ 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>
| -rw-r--r-- | arch/arm/mach-imx/cpuidle-imx6q.c | 10 |
1 files 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; } |