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5a64611747
Implement an IORT ACPI hook to retrieve the acpi_handle of the interrupt controller handling a specific GSI (if any, on GICv5 systems only the IWB is represented in firmware with an ACPI device object) and add the IWB to the list of devices whose dependencies can be detected (and cleared) in ACPI core to guarantee that probe dependencies for the IWB can be satisfied. Enable autodep detection for arm64 by adding the arch_acpi_add_auto_dep() callback in the ACPI IORT driver. Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Link: https://patch.msgid.link/20260709-gic-v5-acpi-iwb-probe-deferral-v4-6-48dae790f871@kernel.org Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>