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SubjectRe: [PATCH] genirq: fix comment to __handle_domain_irq
On Tue, 10 Jan 2017, Vladimir Murzin wrote:
> NULL domain is valid parameter and handled as default irq domain by
> irq_find_mapping(). Instead of using NULL domain, dedicated "lookup"
> parameter should be used to indicate whether conversion of HW
> interrupt to the logical one is needed or not.
>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
> ---
> include/linux/irqdesc.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
> index c9be579..8f5f7d9 100644
> --- a/include/linux/irqdesc.h
> +++ b/include/linux/irqdesc.h
> @@ -156,7 +156,7 @@ static inline void generic_handle_irq_desc(struct irq_desc *desc)
> /*
> * Convert a HW interrupt number to a logical one using a IRQ domain,
> * and handle the result interrupt number. Return -EINVAL if
> - * conversion failed. Providing a NULL domain indicates that the
> + * conversion failed. Providing lookup set to false indicates that the
> * conversion has already been done.
> */

We should just remove that comment completely as we have a proper and
correct kernel doc annotation for that function where its
implemented. Having two places to document stuff is just wrong.

Thanks,

tglx

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