On Wed, Aug 05, 2020 at 06:31:20AM +0000, Jason Liu wrote: > > > > Indeed, the runtime PM ops in that driver looks dodgy. Any calls to mask_irq > > from drivers or anywhere with irqchip suspended with just blows up the > > system. > > If you look at the chip->irq_mask implementation on different platforms, > almost > all with directly access the register of the irqchip including irqsteer. > There are fine due to driver will use the common mask_irq API. >
That still doesn't explain how you can prevent system from blowing up if chip->irq_mask gets called with irqchip suspended ? -- Regards, Sudeep
