diff options
| author | Murali Nalajala <mnalajal@codeaurora.org> | 2015-05-19 10:26:11 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:07:22 -0700 |
| commit | b3445ac6ea92f4751ba5f5671aa2c3fce6b6e55b (patch) | |
| tree | 1494e2024eeb48250f7bd903ab7ae5006a8afde6 /kernel | |
| parent | 885262005f3269b595e6c83df99ff1b5ead11106 (diff) | |
lpm-levels: Do not disable non-sec interrupts in suspend
When the system suspend is happening, last core disables
the non-sec interrupts at QGIC by setting the GRPEN1_EL1_NS
to ZERO. This makes core not seen any non-sec interrupts
and would result into system do not wake up from any of
interrupts. Do not touch GRPEN1_EL1_NS register while
system is going into suspend.
Change-Id: I7d6c5047fb4743df187fe49fba18b64db3179bc9
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>
Conflicts:
drivers/irqchip/irq-gic-common.h
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c index 6c3523f83776..774bfe7a2893 100644 --- a/kernel/cpu_pm.c +++ b/kernel/cpu_pm.c @@ -22,6 +22,8 @@ #include <linux/spinlock.h> #include <linux/syscore_ops.h> +bool from_suspend = false; + static DEFINE_RWLOCK(cpu_pm_notifier_lock); static RAW_NOTIFIER_HEAD(cpu_pm_notifier_chain); @@ -208,6 +210,7 @@ static int cpu_pm_suspend(void) { int ret; + from_suspend = true; ret = cpu_pm_enter(); if (ret) return ret; @@ -218,6 +221,7 @@ static int cpu_pm_suspend(void) static void cpu_pm_resume(void) { + from_suspend = false; cpu_cluster_pm_exit(0); cpu_pm_exit(); } |