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

2017-05-22 Thread tip-bot for Marc Zyngier
Commit-ID:  a97b852b4d4c2f8c50cab13c71566639f9a1a990
Gitweb: http://git.kernel.org/tip/a97b852b4d4c2f8c50cab13c71566639f9a1a990
Author: Marc Zyngier 
AuthorDate: Fri, 12 May 2017 12:55:37 +0100
Committer:  Thomas Gleixner 
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 
Link: http://lkml.kernel.org/r/20170512115538.10767-4-marc.zyng...@arm.com
Signed-off-by: Thomas Gleixner 

---
 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, _domain_ops, info);
+   domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,
+fwnode, _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,


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

2017-05-22 Thread tip-bot for Marc Zyngier
Commit-ID:  a97b852b4d4c2f8c50cab13c71566639f9a1a990
Gitweb: http://git.kernel.org/tip/a97b852b4d4c2f8c50cab13c71566639f9a1a990
Author: Marc Zyngier 
AuthorDate: Fri, 12 May 2017 12:55:37 +0100
Committer:  Thomas Gleixner 
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 
Link: http://lkml.kernel.org/r/20170512115538.10767-4-marc.zyng...@arm.com
Signed-off-by: Thomas Gleixner 

---
 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, _domain_ops, info);
+   domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0,
+fwnode, _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,