linux-kernel - Re: [PATCH v2 1/2] input: touchscreen: pixcir_i2c_ts: Add support for optional wakeup interrupt

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Message-ID: <20150720062407.GA13092@dtor-ws>
Date:	Sun, 19 Jul 2015 23:24:07 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Tony Lindgren <tony@...mide.com>
Cc:	Vignesh R <vigneshr@...com>,
	Benoit Cousson <bcousson@...libre.com>,
	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>,
	Russell King <linux@....linux.org.uk>,
	Roger Quadros <rogerq@...com>,
	Henrik Rydberg <rydberg@...math.org>,
	Frodo Lai <frodo.lai@...il.com>,
	Jingoo Han <jg1.han@...sung.com>, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v2 1/2] input: touchscreen: pixcir_i2c_ts: Add support
 for optional wakeup interrupt

On Sun, Jul 19, 2015 at 11:09:30PM -0700, Tony Lindgren wrote:
> * Vignesh R <vigneshr@...com> [150719 21:53]:
> > @@ -445,6 +443,8 @@ static struct pixcir_ts_platform_data *pixcir_parse_dt(struct device *dev)
> >  	dev_dbg(dev, "%s: x %d, y %d, gpio %d\n", __func__,
> >  		pdata->x_max + 1, pdata->y_max + 1, pdata->gpio_attb);
> >  
> > +	pdata->wakeirq = of_irq_get_byname(dev->of_node, "wakeupirq");
> > +
> >  	return pdata;
> 
> What about handling -EPROVE_DEFER here? At least pinctrl-single can be
> be a loadable module for the dedicated wakeirqs.

Right. I think we should only allow -ENODATA to continue and return
error in all other cases.

Also, I think "irq" suffix on name is redundant.

Thanks.

-- 
Dmitry
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