linux-kernel - Re: [PATCH 4/7] gpio/mxs: convert to use linear irqdomain

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Message-ID: <CACRpkdaNK5+5oQNmmyyF+bD=jJYXbHAJF6e8Xn3jtcR4hoXwrw@mail.gmail.com>
Date:	Fri, 19 Oct 2012 12:22:34 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Shawn Guo <shawn.guo@...aro.org>
Cc:	linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH 4/7] gpio/mxs: convert to use linear irqdomain

On Thu, Oct 18, 2012 at 8:22 AM, Shawn Guo <shawn.guo@...aro.org> wrote:

>>       /* gpio-mxs can be a generic irq chip */
>>       mxs_gpio_init_gc(port, irq_base);
>                                ^^^^^^^^
>
> So I know this one is not compile-tested.

No, which defconfig shall I use for this driver?

> This is exactly the reason why I have to use irq_domain_add_legacy
> other than irq_domain_add_linear when I add irqdomain support for the
> driver.  The driver uses generic-irq infrastructural which needs
> irq_base for setup.  So sadly, before generic-irq gets improved, any
> irq chip that uses generic-irq will have to use irq_domain_add_legacy.

Bah, I'm dropping this and a lot of the other patches as well.

I obviously do not understand the inner transcendental meaning of
irqdomains yet.

Yours,
Linus Walleij
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