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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>
This commit is contained in:
Thomas Gleixner 2017-06-20 01:37:08 +02:00
parent 1b604745c8
commit 5f432711ba
1 changed files with 16 additions and 5 deletions
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21
arch/x86/kernel/apic/htirq.c
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@ -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,