From 5f432711ba94400fb39e9be81913ced81c141758 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Tue, 20 Jun 2017 01:37:08 +0200 Subject: [PATCH] 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 Cc: Jens Axboe Cc: Marc Zyngier Cc: Michael Ellerman Cc: Keith Busch Cc: Peter Zijlstra Cc: Christoph Hellwig Link: http://lkml.kernel.org/r/20170619235443.829047007@linutronix.de Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/htirq.c | 21 ++++++++++++++++----- 1 file 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, -- 2.34.1