On Thu, 11 Sep 2014, Jiang Liu wrote:
> Change irq_cfg() from static to extern, also introduce helper function
> irqd_cfg(). Later we could rewrite these two helpers when enabling
> hierarchy irqdomain.
>
> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
> ---
> arch/x86/include/asm/hw_irq.h | 2 ++
> arch/x86/kernel/apic/io_apic.c | 7 ++++++-
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
> index 18e8717bf644..f457fcd0f3ba 100644
> --- a/arch/x86/include/asm/hw_irq.h
> +++ b/arch/x86/include/asm/hw_irq.h
> @@ -132,6 +132,8 @@ struct irq_cfg {
> };
> };
>
> +extern struct irq_cfg *irq_cfg(unsigned int irq);
> +extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
> extern void setup_vector_irq(int cpu);
> extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
> extern void send_cleanup_vector(struct irq_cfg *);
> diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
> index ee3d3ff521a3..9b048c239dd4 100644
> --- a/arch/x86/kernel/apic/io_apic.c
> +++ b/arch/x86/kernel/apic/io_apic.c
> @@ -281,11 +281,16 @@ int __init arch_early_irq_init(void)
> return 0;
> }
>
> -static inline struct irq_cfg *irq_cfg(unsigned int irq)
> +struct irq_cfg *irq_cfg(unsigned int irq)
> {
> return irq_get_chip_data(irq);
> }
>
> +struct irq_cfg *irqd_cfg(struct irq_data *irq_data)
> +{
> + return irq_data->chip_data;
> +}
We can make those inlines. There is no point to have that as global
functions.
Thanks,
tglx
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