We are soon going to need the MSI layer to call into the domain
allocators. Instead of open coding this, make the standard
irq_domain_alloc_irqs_recursive function available to the MSI
layer.
Signed-off-by: Marc Zyngier <marc.zyng...@arm.com>
---
include/linux/irqdomain.h | 3 +++
kernel/irq/irqdomain.c | 6 +++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index d5e5c5b..cf96c6a 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -367,6 +367,9 @@ static inline int irq_domain_alloc_irqs(struct irq_domain
*domain,
return __irq_domain_alloc_irqs(domain, -1, nr_irqs, node, arg, false);
}
+extern int irq_domain_alloc_irqs_recursive(struct irq_domain *domain,
+ unsigned int irq_base,
+ unsigned int nr_irqs, void *arg);
extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
unsigned int virq,
irq_hw_number_t hwirq,
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 22aa961..1c9973e 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -1125,9 +1125,9 @@ static void irq_domain_free_irqs_recursive(struct
irq_domain *domain,
}
}
-static int irq_domain_alloc_irqs_recursive(struct irq_domain *domain,
- unsigned int irq_base,
- unsigned int nr_irqs, void *arg)
+int irq_domain_alloc_irqs_recursive(struct irq_domain *domain,
+ unsigned int irq_base,
+ unsigned int nr_irqs, void *arg)
{
int ret = 0;
struct irq_domain *parent = domain->parent;
--
2.1.4
--
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