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x86/uv: Create named irq domain 

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

Signed-off-by: Thomas 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: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2017-06-20 01:37:09 +02:00
parent 5f432711ba
commit f8409a6a4b
1 changed files with 13 additions and 5 deletions
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18
arch/x86/platform/uv/uv_irq.c
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@ -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)
uv_domain->parent = x86_vector_domain;
}
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;