Commit-ID: 960164f7141e8a974035db9ab03d93f46656ea81
Gitweb: https://git.kernel.org/tip/960164f7141e8a974035db9ab03d93f46656ea81
Author: Sameer Pujar <spujar@xxxxxxxxxx>
AuthorDate: Fri, 22 Mar 2019 17:43:05 +0530
Committer: Marc Zyngier <marc.zyngier@xxxxxxx>
CommitDate: Mon, 29 Apr 2019 15:45:01 +0100
irqchip/gic-pm: Fix suspend handling
If interrupts are enabled for a non-root GIC device that uses the
gic-pm driver, when system suspend occurs, the current interrupt
state is not saved and restored correctly and so interrupts do not
work again on resuming the system. Add a late suspend handler to
save and restore the state for these devices.
Suggested-by: Jonathan Hunter <jonathanh@xxxxxxxxxx>
Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx>
Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
drivers/irqchip/irq-gic-pm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/irqchip/irq-gic-pm.c b/drivers/irqchip/irq-gic-pm.c
index 069cf4c0f614..c4aac0977d8a 100644
--- a/drivers/irqchip/irq-gic-pm.c
+++ b/drivers/irqchip/irq-gic-pm.c
@@ -142,6 +142,8 @@ irq_dispose:
static const struct dev_pm_ops gic_pm_ops = {
SET_RUNTIME_PM_OPS(gic_runtime_suspend,
gic_runtime_resume, NULL)
+ SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
};
static const char * const gic400_clocks[] = {
|