[PATCH v3 1/6] irqdomain: Add parent field to struct irqchip_fwid

[Jonathan Cameron]

On Thu, 15 Jan 2026 10:50:47 +0100
Lorenzo Pieralisi <lpieralisi at kernel.org> wrote:

> The GICv5 driver IRQ domain hierarchy requires adding a parent field to
> struct irqchip_fwid so that core code can reference a fwnode_handle parent
> for a given fwnode.
> 
> Add a parent field to struct irqchip_fwid and update the related kernel API
> functions to initialize and handle it.
> 
> Signed-off-by: Lorenzo Pieralisi <lpieralisi at kernel.org>
> Cc: Thomas Gleixner <tglx at kernel.org>
> Cc: Marc Zyngier <maz at kernel.org>

Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>