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

Thomas Gleixner tglx at kernel.org
Thu Jul 2 14:56:40 PDT 2026


On Thu, Jul 02 2026 at 23:55, Thomas Gleixner wrote:

> On Wed, Jul 01 2026 at 16:38, Lorenzo Pieralisi 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>
>
> Assuming this goes through the ACPI tree:
>
> Acked-by: Thomas Gleixner <tglx at kernel.org>

If that's not the plan, let me know and I pick it up.



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