linux-kernel - Re: [PATCH 4/6] irqchip: add irqchip driver for nuc900

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Date:	Fri, 22 Jul 2016 10:37:10 +0800
From:	Wan ZongShun <mcuos.com@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Wan Zongshun <vw@...mu.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	devicetree@...r.kernel.org,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Russell King <linux@...linux.org.uk>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 4/6] irqchip: add irqchip driver for nuc900

>
>> but I will remove the Macros related to nuc970 and avoid nuc970
>> interrupt using those Macro.
>>
>> But I still need hack this irqs.h like below, since here NR_IRQS defined
>> and it is need for nuc970 irqchip driver.
>>
>> #if !defined(CONFIG_SOC_NUC900)
>> #define NR_IRQS         (IRQ_ADC+1)
>> #else
>> #define NR_IRQS         62
>> #endif
>
> Have you considered using CONFIG_SPARSE_IRQ? That would avoid the need
> for setting NR_IRQS entirely, but may also require more work elsewhere.

Sure, I will refer to your previous nuc900 series patches for SPARSE
IRQ, now I am waiting for rc1 release, and will send v3 patches.

>
>         Arnd



-- 
---
Vincent Wan(Zongshun)
www.mcuos.com