linux-kernel - Re: [RFC 10/10] irqchip: Make versatile fpga irq driver a generic chip

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Message-ID: <CACRpkdZcnjwQNap=i+LvzEeEFwDFgHw2BD7KVAUCNh0mRtX26w@mail.gmail.com>
Date:	Sat, 15 Jun 2013 23:19:43 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Grant Likely <grant.likely@...aro.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linuxppc-dev@...ts.ozlabs.org list" <linuxppc-dev@...ts.ozlabs.org>,
	Russell King <linux@....linux.org.uk>
Subject: Re: [RFC 10/10] irqchip: Make versatile fpga irq driver a generic chip

On Mon, Jun 10, 2013 at 12:50 PM, Grant Likely <grant.likely@...aro.org> wrote:
> On Mon, Jun 10, 2013 at 8:40 AM, Linus Walleij <linus.walleij@...aro.org> wrote:
>> On Mon, Jun 10, 2013 at 2:49 AM, Grant Likely <grant.likely@...aro.org> wrote:
>>
>>> This is an RFC patch to convert the versatile FPGA irq controller driver
>>> to use generic irq chip. It builds on the series that extends the
>>> generic chip code to allow a linear irq domain to contain one or more
>>> generic irq chips so that each interrupt controller doesn't need to hand
>>> code the generic chip setup.
>>>
>>> I've written this as a proof of concept to see if the new generic irq
>>> code does what it needs to. I had to extend it slightly to properly
>>> handle the valid mask used by the versatile FPGA driver.
>>>
>>> Tested on QEMU, but not on real hardware.
>>
>> Is this the same as the one I tested previously?
>>
>> If it need re-testing please push a branch and I'll take it
>> for a spin.
>
> Yes, it's the same, but if you can test the branch I would appreciate
> it. I've done some heavy rework on the irqdomain code that makes
> everything simpler, but also makes it likely that I've broken
> something.
>
> git://git.secretlab.ca/git/linux.git irqdomain/test

It still works like a charm on the Integrator/AP.
Tested-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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