Re: [PATCH] irqdomain: Allow ACPI device nodes to be used as irqdomain identifiers

From: Hanjun Guo
Date: Fri Jul 07 2017 - 07:50:10 EST

On 2017/7/7 16:39, Marc Zyngier wrote:
> A number of irqchip implementations are (ab)using the irqdomain
> allocator by passing a fwnode that is neither a FWNODE_OF or
> This is pretty bad, but it also feels pretty crap to force these
> drivers to allocate their own irqchip_fwid when they already have
> a proper fwnode.
> Instead, let's teach the irqdomain allocator about ACPI device
> nodes, and add some lovely name generation code... Tested on
> an arm64 D05 system.
> Reported-by: John Garry <john.garry@xxxxxxxxxx>
> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
> ---
> kernel/irq/irqdomain.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)

Thomas already queued this patch, but I did a test on D03
and it works.