On 22/03/2019 12:13, Sameer Pujar wrote:
> 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>
> ---
> 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 069cf4c..c4aac09 100644
> --- a/drivers/irqchip/irq-gic-pm.c
> +++ b/drivers/irqchip/irq-gic-pm.c
> @@ -142,6 +142,8 @@ static int gic_probe(struct platform_device *pdev)
> 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[] = {
Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Cheers
Jon
--
nvpublic
