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Commit f8409a6a authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/uv: Create named irq domain 



Use the fwnode to create a named domain so diagnosis works.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235443.907511074@linutronix.de


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 5f432711

arch/x86/platform/uv/uv_irq.c

+13 −5
Original line number Diff line number Diff line
@@ -160,13 +160,21 @@ static struct irq_domain *uv_get_irq_domain(void) 
{

	static struct irq_domain *uv_domain;

	static DEFINE_MUTEX(uv_lock);

	struct fwnode_handle *fn;



	mutex_lock(&uv_lock);

	if (uv_domain == NULL) {

		uv_domain = irq_domain_add_tree(NULL, &uv_domain_ops, NULL);

	if (uv_domain)

		goto out;



	fn = irq_domain_alloc_named_fwnode("UV-CORE");

	if (!fn)

		goto out;



	uv_domain = irq_domain_create_tree(fn, &uv_domain_ops, NULL);

	irq_domain_free_fwnode(fn);

	if (uv_domain)

		uv_domain->parent = x86_vector_domain;

	}

out:

	mutex_unlock(&uv_lock);



	return uv_domain;