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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 01:37:08 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-22 18:21:09 +0200
commit5f432711ba94400fb39e9be81913ced81c141758 (patch)
treee19fafecbe53d76b73f2d49bddeea85e0d5d2b35 /arch/x86/kernel/apic/htirq.c
parent1b604745c8474c76e5fd1682ea5b7da0a1c6d440 (diff)
x86/htirq: Create named domain
Use the fwnode to create a named domain so diagnosis works. Mark the init function __init while at it. 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/20170619235443.829047007@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/apic/htirq.c')
-rw-r--r--arch/x86/kernel/apic/htirq.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/arch/x86/kernel/apic/htirq.c b/arch/x86/kernel/apic/htirq.c
index ae50d3454d78..56ccf9346b08 100644
--- a/arch/x86/kernel/apic/htirq.c
+++ b/arch/x86/kernel/apic/htirq.c
@@ -150,16 +150,27 @@ static const struct irq_domain_ops htirq_domain_ops = {
.deactivate = htirq_domain_deactivate,
};
-void arch_init_htirq_domain(struct irq_domain *parent)
+void __init arch_init_htirq_domain(struct irq_domain *parent)
{
+ struct fwnode_handle *fn;
+
if (disable_apic)
return;
- htirq_domain = irq_domain_add_tree(NULL, &htirq_domain_ops, NULL);
+ fn = irq_domain_alloc_named_fwnode("PCI-HT");
+ if (!fn)
+ goto warn;
+
+ htirq_domain = irq_domain_create_tree(fn, &htirq_domain_ops, NULL);
+ irq_domain_free_fwnode(fn);
if (!htirq_domain)
- pr_warn("failed to initialize irqdomain for HTIRQ.\n");
- else
- htirq_domain->parent = parent;
+ goto warn;
+
+ htirq_domain->parent = parent;
+ return;
+
+warn:
+ pr_warn("Failed to initialize irqdomain for HTIRQ.\n");
}
int arch_setup_ht_irq(int idx, int pos, struct pci_dev *dev,