linux-kernel - Re: [PATCH v2] sunxi-irq: Fix Kconfig dependency on GENERIC_IRQ

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Date:	Thu, 14 Apr 2016 09:47:46 +0100
From:	Suzuki K Poulose <Suzuki.Poulose@....com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arm@...nel.org, robh@...nel.org,
	Andre Przywara <andre.przywara@....com>,
	Russell King <linux@....linux.org.uk>,
	Chen-Yu Tsai <wens@...e.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>
Subject: Re: [PATCH v2] sunxi-irq: Fix Kconfig dependency on GENERIC_IRQ_CHIP

On 13/04/16 21:07, Maxime Ripard wrote:
> Hi,
>
> On Wed, Apr 13, 2016 at 04:59:27PM +0100, Suzuki K Poulose wrote:
>> The sunxi-nmi and sun4i irq chips are selected by ARCH_SUNXI on both arm
>> and arm64 (recently added). However on arm64, we don't explicitly select
>> GENERIC_IRQ_CHIP which is required by the sunxi-nmi irq chip driver and
>> causes build breaks on 4.6-rc1 :

>> diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
>> index b03cfcb..c9626f4 100644
>> --- a/drivers/irqchip/Makefile
>> +++ b/drivers/irqchip/Makefile
>> @@ -19,8 +19,8 @@ obj-$(CONFIG_CLPS711X_IRQCHIP)		+= irq-clps711x.o
>>   obj-$(CONFIG_OR1K_PIC)			+= irq-or1k-pic.o
>>   obj-$(CONFIG_ORION_IRQCHIP)		+= irq-orion.o
>>   obj-$(CONFIG_OMAP_IRQCHIP)		+= irq-omap-intc.o
>> -obj-$(CONFIG_ARCH_SUNXI)		+= irq-sun4i.o
>> -obj-$(CONFIG_ARCH_SUNXI)		+= irq-sunxi-nmi.o
>> +obj-$(CONFIG_SUNXI_IRQCHIP)		+= irq-sun4i.o
>> +obj-$(CONFIG_SUNXI_IRQCHIP)		+= irq-sunxi-nmi.o
>
> Those are two different drivers, that should be selected by different
> SoCs (MACH_SUN4I and MACH_SUN5I for the former, SUN6I, SUN7I and SUN8I
> for the latter)

OK. I had thought about that, but wasn't sure who needs what. So went with
what existed already. I can respin it.

Cheers
Suzuki