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

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Message-ID: <20150720060506.GV17550@atomide.com>
Date:	Sun, 19 Jul 2015 23:05:07 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Vignesh R <vigneshr@...com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.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>,
	"Quadros, Roger" <rogerq@...com>,
	Henrik Rydberg <rydberg@...math.org>,
	Frodo Lai <frodo.lai@...il.com>,
	Jingoo Han <jg1.han@...sung.com>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [PATCH 1/2] input: touchscreen: pixcir_i2c_ts: Add support for
 optional wakeup interrupt

* Vignesh R <vigneshr@...com> [150719 21:51]:
> On 7/18/2015 3:21 AM, Dmitry Torokhov wrote:
> > 
> > I wonder if driver core should be responsible for clearing wake irq and
> > also for clearing wakeup flag.
> > 
> 
> AFAICU, wakeup flag is deleted when struct device is deleted, hence,
> device_init_wakeup() call may not be required in .remove(). But,
> dev_pm_clear_wake_irq() can be moved to driver core.

Currently the lifecycle of struct wakeup_source is not necessarily
the same as the lifecycle struct device. I believe net and usb drivers
at least allocate it dynamically.

Regards,

Tony
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