On Mon, Feb 19, 2024 at 4:48 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > On Wed, Feb 14, 2024 at 5:24 PM Théo Lebrun <theo.lebrun@xxxxxxxxxxx> wrote: > > > > Support a single IRQs used by multiple GPIO banks. Change the IRQ > > handler type from a chained handler (as used by gpiolib > > for ->parent_handler) to a threaded IRQ. > > > > Use a fake raw spinlock to ensure generic_handle_irq() is called in a > > no-irq context. See Documentation/driver-api/gpio/driver.rst, "CHAINED > > CASCADED GPIO IRQCHIPS" for additional information. > > > > Any reason for not using preempt_disable()? I think this needs to be discussed with tglx if Grygorii is not available. Yours, Linus Walleij
