Re: [PATCH v6 1/6] irqchip/mtk-sysirq: support 4 interrupt parameters for sysirq

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On 24/01/2019 09:07, Erin Lo wrote:
> From: Seiya Wang <seiya.wang@xxxxxxxxxxxx>
> 
> To support partitioned PPIs, 4 interrupt parameters should be valid
> for sysirq.
> 
> Signed-off-by: Seiya Wang <seiya.wang@xxxxxxxxxxxx>
> Signed-off-by: Erin Lo <erin.lo@xxxxxxxxxxxx>
> ---
>  drivers/irqchip/irq-mtk-sysirq.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
> index 90aaf19..282736a 100644
> --- a/drivers/irqchip/irq-mtk-sysirq.c
> +++ b/drivers/irqchip/irq-mtk-sysirq.c
> @@ -81,7 +81,7 @@ static int mtk_sysirq_domain_translate(struct irq_domain *d,
>  				       unsigned int *type)
>  {
>  	if (is_of_node(fwspec->fwnode)) {
> -		if (fwspec->param_count != 3)
> +		if (fwspec->param_count != 3 && fwspec->param_count != 4)

Where is this 4th parameter used?

Regards,
Matthias

>  			return -EINVAL;
>  
>  		/* No PPI should point to this domain */
> @@ -104,7 +104,7 @@ static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq,
>  	struct irq_fwspec *fwspec = arg;
>  	struct irq_fwspec gic_fwspec = *fwspec;
>  
> -	if (fwspec->param_count != 3)
> +	if (fwspec->param_count != 3 && fwspec->param_count != 4)
>  		return -EINVAL;
>  
>  	/* sysirq doesn't support PPI */
> 



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