On Thu, Feb 22 2024 at 16:39, Yu Chien Peter Lin wrote: > Currently, the implementation of the RISC-V INTC driver uses the > interrupt cause as the hardware interrupt number, with a maximum of > 64 interrupts. However, the platform can expand the interrupt number > further for custom local interrupts. > > To fully utilize the available local interrupt sources, switch > to using irq_domain_create_tree() that creates the radix tree > map, add global variables (riscv_intc_nr_irqs, riscv_intc_custom_base > and riscv_intc_custom_nr_irqs) to determine the valid range of local > interrupt number (hwirq). > > Signed-off-by: Yu Chien Peter Lin <peterlin@xxxxxxxxxxxxx> > Reviewed-by: Randolph <randolph@xxxxxxxxxxxxx> > Reviewed-by: Anup Patel <anup@xxxxxxxxxxxxxx> > Reviewed-by: Atish Patra <atishp@xxxxxxxxxxxx> Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
