linux-kernel - Re: [PATCH V1] mfd: tps65910: Add wakeup support

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Message-ID: <20120120130201.GF18297@opensource.wolfsonmicro.com>
Date:	Fri, 20 Jan 2012 13:02:01 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"jedu@...mlogic.co.uk" <jedu@...mlogic.co.uk>,
	"lrg@...mlogic.co.uk" <lrg@...mlogic.co.uk>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH V1] mfd: tps65910: Add wakeup support

On Fri, Jan 20, 2012 at 06:30:24PM +0530, Laxman Dewangan wrote:

> I did not get how the wakeup enabled in power management infrastructure?
> My understanding is that we need to call the two apis
> device_wakeup_init() and
> enable_irq_wake() for enabling the wakeup functionality.
> Is there any other API which does the same and I need to call from
> the core driver?

No, that's it - when you call those userspace will get control via sysfs
for turning on and off the wakeup support.
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