summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
authorMarc Zyngier <marc.zyngier@arm.com>2017-05-12 12:55:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-05-22 22:29:45 +0200
commita97b852b4d4c2f8c50cab13c71566639f9a1a990 (patch)
tree845d67c950ac7a0ef317bb07d2c2a2159f020421 /kernel
parent2370c00dc7232d0c4af224e7730b4de031f3b1a0 (diff)
downloadop-kernel-dev-a97b852b4d4c2f8c50cab13c71566639f9a1a990.zip
op-kernel-dev-a97b852b4d4c2f8c50cab13c71566639f9a1a990.tar.gz
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: Marc Zyngier <marc.zyngier@arm.com> Link: http://lkml.kernel.org/r/20170512115538.10767-4-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/msi.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index ddc2f54..fe4d48e 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -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,
- fwnode, &msi_domain_ops, info);
+ 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,
OpenPOWER on IntegriCloud