[PATCH v12 01/25] irqchip/gic-v3: Make gic_irq_domain_select() robust for zero parameter count
Marc Zyngier
maz at kernel.org
Thu Feb 15 03:47:46 PST 2024
On Sat, 27 Jan 2024 16:17:29 +0000,
Anup Patel <apatel at ventanamicro.com> wrote:
>
> From: Thomas Gleixner <tglx at linutronix.de>
>
> Currently the irqdomain select callback is only invoked when the parameter
> count of the fwspec arguments is not zero. That makes sense because then
> the match is on the firmware node and eventually on the bus_token, which is
> already handled in the core code.
>
> The upcoming support for per device MSI domains requires to do real bus
> token specific checks in the MSI parent domains with a zero parameter
> count.
>
> Make the gic-v3 select() callback handle that case.
>
> Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Marc Zyngier <maz at kernel.org>
Acked-by: Marc Zyngier <maz at kernel.org>
M.
--
Without deviation from the norm, progress is not possible.
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