Export of_phandle_args_to_fwspec() to be used by drivers. of_phandle_args_to_fwspec() can be used by drivers to get irq specifier from device node useful while creating hierarchy domain. This was suggested by Marc Zyngier [1]. [1] -> http://lore.kernel.org/r/20190223121143.14c1f150@xxxxxxxxxxxxxxxxxxxxxxx/ Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> --- include/linux/irqdomain.h | 2 ++ kernel/irq/irqdomain.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 42d196805f58..0236f508259e 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -391,6 +391,8 @@ extern void irq_domain_associate_many(struct irq_domain *domain, extern unsigned int irq_create_mapping_affinity(struct irq_domain *host, irq_hw_number_t hwirq, const struct irq_affinity_desc *affinity); +void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, unsigned int count, + struct irq_fwspec *fwspec); extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec); extern void irq_dispose_mapping(unsigned int virq); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 288151393a06..70f050741ab2 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -756,9 +756,8 @@ static int irq_domain_translate(struct irq_domain *d, return 0; } -static void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, - unsigned int count, - struct irq_fwspec *fwspec) +void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, unsigned int count, + struct irq_fwspec *fwspec) { int i; @@ -768,6 +767,7 @@ static void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, for (i = 0; i < count; i++) fwspec->param[i] = args[i]; } +EXPORT_SYMBOL_GPL(of_phandle_args_to_fwspec); unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec) { -- 2.17.1
