linux-kernel - Re: [PATCH 05/12] MIPS: GIC: Add device-tree support

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Message-ID: <CAL1qeaFFrQJLMyNQtcwWtrYSJ4=_Yf0zuYWPtCPsUu-6OrvKdw@mail.gmail.com>
Date:	Sun, 31 Aug 2014 11:42:14 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Ralf Baechle <ralf@...ux-mips.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jeffrey Deans <jeffrey.deans@...tec.com>,
	Markos Chandras <markos.chandras@...tec.com>,
	Paul Burton <paul.burton@...tec.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Linux-MIPS <linux-mips@...ux-mips.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 05/12] MIPS: GIC: Add device-tree support

On Sat, Aug 30, 2014 at 12:54 AM, Arnd Bergmann <arnd@...db.de> wrote:
> On Friday 29 August 2014 15:14:32 Andrew Bresticker wrote:
>> Add device-tree support for the MIPS GIC.  With DT, no per-platform
>> static device interrupt mapping is supplied and instead all device
>> interrupts are specified through the DT.  The GIC-to-CPU interrupts
>> must also be specified in the DT.
>>
>> Platforms using DT-based probing of the GIC need only supply the
>> GIC_NUM_INTRS and, if necessary, MIPS_GIC_IRQ_BASE values and
>> call of_irq_init() with an of_device_id table including the GIC.
>>
>> Currenlty only legacy and vecotred interrupt modes are supported.
>>
>> Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
>> ---
>>  arch/mips/include/asm/gic.h |  15 ++++++
>>  arch/mips/kernel/irq-gic.c  | 122 +++++++++++++++++++++++++++++++++++++++++++-
>>
>
>
> Can you move this to drivers/irqchip and use the IRQCHIP_DECLARE()
> macro to define the entry point?

Sure.  I was planning on doing this later, but I don't see why it
couldn't be done now though.
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