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Subject: Re: [PATCH v6 1/6] irqchip/mtk-sysirq: support 4 interrupt parameters
 for sysirq
To:     Matthias Brugger <matthias.bgg@gmail.com>,
        Erin Lo <erin.lo@mediatek.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Stephen Boyd <sboyd@codeaurora.org>
Cc:     devicetree@vger.kernel.org,
        srv_heupstream <srv_heupstream@mediatek.com>,
        linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, yingjoe.chen@mediatek.com,
        mars.cheng@mediatek.com, eddie.huang@mediatek.com,
        linux-clk@vger.kernel.org, Seiya Wang <seiya.wang@mediatek.com>
References: <1548317240-44682-1-git-send-email-erin.lo@mediatek.com>
 <1548317240-44682-2-git-send-email-erin.lo@mediatek.com>
 <898ca3d9-002b-e28e-fc97-86bc2538e9de@gmail.com>
From:   Marc Zyngier <marc.zyngier@arm.com>
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Organization: ARM Ltd
Message-ID: <626b5b46-aac7-1532-386e-2fed85bf4ad9@arm.com>
Date:   Thu, 7 Feb 2019 15:47:05 +0000
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Sender: linux-kernel-owner@vger.kernel.org
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On 07/02/2019 15:20, Matthias Brugger wrote:
> 
> 
> On 24/01/2019 09:07, Erin Lo wrote:
>> From: Seiya Wang <seiya.wang@mediatek.com>
>>
>> To support partitioned PPIs, 4 interrupt parameters should be valid
>> for sysirq.
>>
>> Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
>> Signed-off-by: Erin Lo <erin.lo@mediatek.com>
>> ---
>>  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?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt#n14

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...