linux-kernel - Re: [PATCH v2] gpio/stmpe: support no-irq mode

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Message-ID: <CACRpkdaRojO2P8FrVFygA16DazGdFj05eXqZjX7oJS2QT4qfZQ@mail.gmail.com>
Date:	Thu, 26 Jan 2012 07:34:36 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Viresh Kumar <viresh.kumar@...com>,
	Christopher BLAIR <chris.blair@...ricsson.com>
Cc:	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: Re: [PATCH v2] gpio/stmpe: support no-irq mode

On Wed, Jan 25, 2012 at 11:35 AM, Viresh Kumar <viresh.kumar@...com> wrote:
> On 1/25/2012 3:23 PM, Linus WALLEIJ wrote:
>> +     if (!stmpe->pdata->no_irq) {
>> +             irq = platform_get_irq(pdev, 0);
>> +             if (irq < 0)
>> +                     return irq;
>> +     }
>
> I already acked it once, but there is another idea that i have :)
> Why not allow passing no irqs in resource fields directly.
>
> i.e. platform_get_irq() < 0 will automatically mean irqs are not supported
> on platform and then we can do what we are doing in your patch. This will
> remove need of another pdata field. :)

Hm sounds intuitively elegant! Chris, do you want to have a go
at it?

Yours,
Linus Walleij
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