[PATCH v3 7/7] irqchip/gic-v5: Enable GICv5 IWB ACPI probe ordering detection

Marc Zyngier maz at kernel.org
Thu Jul 2 14:49:05 PDT 2026


On Wed, 01 Jul 2026 15:38:55 +0100,
Lorenzo Pieralisi <lpieralisi at kernel.org> wrote:
> 
> Register an ACPI hook in the ACPI interrupt management code for GICv5 to
> retrieve the ACPI interrupt controller handle (if any) of the controller
> handling a specific GSI, by updating the acpi_set_irq_model() call with
> the gic_v5_get_gsi_handle() function pointer parameter.
> 
> gicv5_get_gsi_handle() allows ACPI core to detect the ACPI handle
> of the controller that manages a specific GSI interrupt.
> 
> Update the IWB driver to clear device dependencies in ACPI core once the
> IWB driver has probed.
> 
> Signed-off-by: Lorenzo Pieralisi <lpieralisi at kernel.org>
> Cc: Thomas Gleixner <tglx at kernel.org>
> Cc: Marc Zyngier <maz at kernel.org>
> ---
>  drivers/irqchip/irq-gic-v5-iwb.c |  2 ++
>  drivers/irqchip/irq-gic-v5.c     | 11 ++++++++++-
>  2 files changed, 12 insertions(+), 1 deletion(-)

Acked-by: Marc Zyngier <maz at kernel.org>

	M.

-- 
Jazz isn't dead. It just smells funny.



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