[PATCH v2 4/6] ACPI: irq: Move RISC-V interrupt controllers autodep to ACPI IRQ code

[Sunil V L]

On Wed, Jun 3, 2026 at 1:54 PM Lorenzo Pieralisi <lpieralisi at kernel.org> wrote:
>
> RISC-V implements arch code to detect probe dependencies for devices and
> the interrupt controller the devices GSIs are routed to.
>
> The code itself is arch agnostic apart from an arch specific helper
> function required to retrieve the acpi_handle of the interrupt controller
> that manages the device GSI interrupt.
>
> In order to enable IRQ probe dependencies detection on other architectures,
> move RISC-V IRQ probe dependency detection code to generic ACPI IRQ code.
>
> Allow interrupt controller drivers to register an arch specific function to
> determine the acpi_handle for a specific GSI number to use the mechanism if
> needed by the respective interrupt controller drivers.
>
> Signed-off-by: Lorenzo Pieralisi <lpieralisi at kernel.org>
> Cc: Huacai Chen <chenhuacai at kernel.org>
> Cc: Thomas Gleixner <tglx at kernel.org>
> Cc: Anup Patel <anup at brainfault.org>
> Cc: "Rafael J. Wysocki" <rafael at kernel.org>
> Cc: Sunil V L <sunilvl at ventanamicro.com>
> Cc: Marc Zyngier <maz at kernel.org>
> ---
>  arch/riscv/include/asm/acpi.h       |   1 +
>  drivers/acpi/irq.c                  | 172 +++++++++++++++++++++++++++++++++++-
>  drivers/acpi/riscv/irq.c            | 156 +-------------------------------
>  drivers/irqchip/irq-gic-v3.c        |   2 +-
>  drivers/irqchip/irq-gic-v5.c        |   2 +-
>  drivers/irqchip/irq-gic.c           |   2 +-
>  drivers/irqchip/irq-loongarch-cpu.c |   2 +-
>  drivers/irqchip/irq-riscv-intc.c    |   3 +-
>  include/linux/acpi.h                |   5 +-
>  9 files changed, 181 insertions(+), 164 deletions(-)
>
LGTM.

Reviewed-by: Sunil V L <sunilvl at oss.qualcomm.com>