On Tue, Sep 21, 2021 at 9:30 PM Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote: > Add IRQ domian to RZ/G2L pinctrl driver to handle GPIO interrupt. > > GPIO0-GPIO122 pins can be used as IRQ lines but only 32 pins can be > used as IRQ lines at given time. Selection of pins as IRQ lines > is handled by IA55 (which is the IRQC block) which sits in between the > GPIO and GIC. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> Why can't you just use the hierarchical IRQ domain handling inside gpiolib? See for example drivers/gpio/gpio-ixp4xx.c for an example of how this is used. Yours, Linus Walleij
