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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-06-20 01:37:08 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-22 18:21:09 +0200 |
| commit | 5f432711ba94400fb39e9be81913ced81c141758 (patch) | |
| tree | e19fafecbe53d76b73f2d49bddeea85e0d5d2b35 /arch/x86/kernel/apic | |
| parent | x86/ioapic: Create named irq domain (diff) | |
| download | linux-5f432711ba94400fb39e9be81913ced81c141758.tar.xz linux-5f432711ba94400fb39e9be81913ced81c141758.zip | |
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')
| -rw-r--r-- | arch/x86/kernel/apic/htirq.c | 21 |
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, |