Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1640412 > unrolled thread

[PATCH 3/4] genirq/msi: Populate the domain name if provided by the irqchip

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  [PATCH 3/4] genirq/msi: Populate the domain name if provided by the irqchip Marc Zyngier <marc.zyngier@arm.com> - 2017-05-12 14:00 +0200
    [tip:irq/core] genirq/msi: Populate the domain name if provided by  the irqchip tip-bot for Marc Zyngier <tipbot@zytor.com> - 2017-05-22 22:40 +0200

#1640412 — [PATCH 3/4] 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>
---
 kernel/irq/msi.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index ddc2f5427f75..fe4d48ec5bc4 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,
-- 
2.11.0

[toc] | [next] | [standalone]

#1647353 — [tip:irq/core] genirq/msi: Populate the domain name if provided by the irqchip

Commit-ID:  a97b852b4d4c2f8c50cab13c71566639f9a1a990
Gitweb:     http://git.kernel.org/tip/a97b852b4d4c2f8c50cab13c71566639f9a1a990
Author:     Marc Zyngier <marc.zyngier@arm.com>
AuthorDate: Fri, 12 May 2017 12:55:37 +0100
Committer:  Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 22 May 2017 22:29:45 +0200

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>

---
 kernel/irq/msi.c | 10 ++++++++--
 1 file 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,

[toc] | [prev] | [standalone]

Back to top | Article view | linux.kernel

csiph-web