linux-kernel - Re: [PATCH] irqchip: nps: add 64BIT dependency

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Date:	Fri, 20 May 2016 10:25:11 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Vineet Gupta <vgupta@...opsys.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Jason Cooper <jason@...edaemon.net>,
	Noam Camus <noamc@...hip.com>,
	arcml <linux-snps-arc@...ts.infradead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Marc Zyngier <marc.zyngier@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] irqchip: nps: add 64BIT dependency

Hi Vineet,

On Fri, May 20, 2016 at 10:22 AM, Vineet Gupta <vgupta@...opsys.com> wrote:
> On Friday 20 May 2016 01:04 PM, Geert Uytterhoeven wrote:
>> On Thu, May 12, 2016 at 11:03 PM, Arnd Bergmann <arnd@...db.de> wrote:
>>> The newly added nps irqchip driver causes build warnings on ARM64.
>>> include/soc/nps/common.h: In function 'nps_host_reg_non_cl':
>>> include/soc/nps/common.h:148:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
>>>
>>> As the driver is only used on ARC, we don't need to see it without
>>> COMPILE_TEST elsewhere, and we can avoid the warnings by only
>>> building on 32-bit architectures even with CONFIG_COMPILE_TEST.
>>>
>>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
>>> ---
>>>  drivers/irqchip/Kconfig | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
>>> index 83775f148158..37289cf6b449 100644
>>> --- a/drivers/irqchip/Kconfig
>>> +++ b/drivers/irqchip/Kconfig
>>> @@ -253,6 +253,7 @@ config MVEBU_ODMI
>>>
>>>  config EZNPS_GIC
>>>         bool "NPS400 Global Interrupt Manager (GIM)"
>>> +       depends on ARC || (COMPILE_TEST && !64BIT)
>>>         select IRQ_DOMAIN
>>>         help
>>>           Support the EZchip NPS400 global interrupt controller
>>
>> As ARC_PLAT_EZNPS already selects EZNPS_GIC, I'd like to suggest
>> the slight simpler (whitespace-damaged):
>
> I'm afraid you are late to party - this has been sent Linus' way earlier today !

I am (my compilers are) celebrating Linus' current tree...

> But it does look prettier so we can do this after rc1

OK.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds