[PATCH v2] sunxi-irq: Fix Kconfig dependency on GENERIC_IRQ_CHIP

[maxime.ripard@free-electrons.com (Maxime Ripard)]

On Thu, Apr 14, 2016 at 10:15:00AM +0100, Andre Przywara wrote:
> Hi,
> 
> On 14/04/16 09:56, Suzuki K Poulose wrote:
> > On 14/04/16 09:47, Suzuki K Poulose wrote:
> >> 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)
> 
> But actually they aren't at the moment - and this is a post-rc1 fix, so
> I'd prefer to not introduce this right now.
> 
> I can bake a proper patch for 4.7 which separates the two, if people
> want this change.
> 
> >> OK. I had thought about that, but wasn't sure who needs what. So went
> >> with
> >> what existed already. I can respin it.
> 
> I would rather not do this right now.
> Maxime, can't we just go with this patch? That seems like the proper fix
> for this part of the release cycle to me.

I don't really see the difference. We're going to shuffle around
Kconfig options anyway.

But yeah, if we have a patch properly fixing it in 4.7, fine by me.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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