[PATCH v2 3/4] irqchip/gic-v3: Add Renesas R-Car Gen4 erratum workaround

[Marc Zyngier]

On Thu, 18 Jun 2026 23:02:01 +0100,
Marek Vasut <marek.vasut+renesas at mailbox.org> wrote:
> 
> Renesas R-Car S4/V4H/V4M GIC600 integration has address width for AXI
> or APB interface configured to 32 bit, it can therefore access only
> the first 4 GiB of physical address space. This information comes from
> R-Car V4H Interface Specification sheet, there is currently no technical
> update number assigned to this limitation. Further input from hardware
> engineer indicates that this limitation also applies to R-Car S4 and V4M.
> Name the limitation GEN4GICITS1, and add a driver quirk to mitigate this
> limitation.
> 
> The quirk is keyed on the combination of the GIC implementation
> and the platform identification in the device tree.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh at renesas.com>
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>

With the SoB chain issue addressed:

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

	M.

-- 
Without deviation from the norm, progress is not possible.