x86/vector: 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/20170619235443.673635238@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 6b21b9e..47c5d01 100644 (file)
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -429,11 +429,16 @@ static void init_legacy_irqs(void) { }
 
 int __init arch_early_irq_init(void)
 {
+       struct fwnode_handle *fn;
+
        init_legacy_irqs();
 
-       x86_vector_domain = irq_domain_add_tree(NULL, &x86_vector_domain_ops,
-                                               NULL);
+       fn = irq_domain_alloc_named_fwnode("VECTOR");
+       BUG_ON(!fn);
+       x86_vector_domain = irq_domain_create_tree(fn, &x86_vector_domain_ops,
+                                                  NULL);
        BUG_ON(x86_vector_domain == NULL);
+       irq_domain_free_fwnode(fn);
        irq_set_default_host(x86_vector_domain);
 
        arch_init_msi_domain(x86_vector_domain);