[patch 09/55] x86/uv: Create named irq domain

[Thomas Gleixner]

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

Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
 arch/x86/platform/uv/uv_irq.c |   18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

--- a/arch/x86/platform/uv/uv_irq.c
+++ b/arch/x86/platform/uv/uv_irq.c
@@ -160,13 +160,21 @@ static struct irq_domain *uv_get_irq_dom
 {
        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);
+       kfree(fn);
+       if (uv_domain)
+               uv_domain->parent = x86_vector_domain;
+out:
        mutex_unlock(&uv_lock);
 
        return uv_domain;