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of/irq: Export of_irq_find_parent again

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of_irq_find_parent was made static since it had no users outside of
of_irq.c. Export it again since we are going to use it again.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
[robh: move of_irq_find_parent to correct ifdef section]
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Carlo Caione 2015-12-01 17:24:17 +01:00 committed by Rob Herring
parent f806238667
commit 4c3141e09c
2 changed files with 8 additions and 1 deletions
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3
drivers/of/irq.c
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@ -53,7 +53,7 @@ EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
* Returns a pointer to the interrupt parent node, or NULL if the interrupt * Returns a pointer to the interrupt parent node, or NULL if the interrupt
* parent could not be determined. * parent could not be determined.
*/ */
static struct device_node *of_irq_find_parent(struct device_node *child) struct device_node *of_irq_find_parent(struct device_node *child)
{ {
struct device_node *p; struct device_node *p;
const __be32 *parp; const __be32 *parp;
@ -77,6 +77,7 @@ static struct device_node *of_irq_find_parent(struct device_node *child)
return p; return p;
} }
EXPORT_SYMBOL_GPL(of_irq_find_parent);
/** /**
* of_irq_parse_raw - Low level interrupt tree parsing * of_irq_parse_raw - Low level interrupt tree parsing

6
include/linux/of_irq.h
View File

@ -46,6 +46,7 @@ extern int of_irq_get(struct device_node *dev, int index);
extern int of_irq_get_byname(struct device_node *dev, const char *name); extern int of_irq_get_byname(struct device_node *dev, const char *name);
extern int of_irq_to_resource_table(struct device_node *dev, extern int of_irq_to_resource_table(struct device_node *dev,
struct resource *res, int nr_irqs); struct resource *res, int nr_irqs);
extern struct device_node *of_irq_find_parent(struct device_node *child);
extern struct irq_domain *of_msi_get_domain(struct device *dev, extern struct irq_domain *of_msi_get_domain(struct device *dev,
struct device_node *np, struct device_node *np,
enum irq_domain_bus_token token); enum irq_domain_bus_token token);
@ -70,6 +71,11 @@ static inline int of_irq_to_resource_table(struct device_node *dev,
{ {
return 0; return 0;
} }
static inline void *of_irq_find_parent(struct device_node *child)
{
return NULL;
}
static inline struct irq_domain *of_msi_get_domain(struct device *dev, static inline struct irq_domain *of_msi_get_domain(struct device *dev,
struct device_node *np, struct device_node *np,
enum irq_domain_bus_token token) enum irq_domain_bus_token token)