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Commit a97b852b authored by Marc Zyngier's avatar Marc Zyngier Committed by Thomas Gleixner
Browse files

genirq/msi: Populate the domain name if provided by the irqchip 



In order to ease debug, let's populate the domain name upfront, before any
MSI gets requested. This allows the domain to appear in the
irq_domain_mapping, and the user to easily find the expected data.

Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/20170512115538.10767-4-marc.zyngier@arm.com


Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 2370c00d

kernel/irq/msi.c

+8 −2
Original line number Diff line number Diff line
@@ -265,13 +265,19 @@ struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode, 
					 struct msi_domain_info *info,

					 struct irq_domain *parent)

{

	struct irq_domain *domain;



	if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS)

		msi_domain_update_dom_ops(info);

	if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)

		msi_domain_update_chip_ops(info);



	return irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,

	domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,

					     fwnode, &msi_domain_ops, info);

	if (domain && info->chip && info->chip->name)

		domain->name = info->chip->name;



	return domain;

}



int msi_domain_prepare_irqs(struct irq_domain *domain, struct device *dev,