linux-kernel - Re: [PATCH] modify pl011 driver to let it work as wakeup source

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Message-ID: <55FA9852.9030704@arm.com>
Date:	Thu, 17 Sep 2015 11:39:14 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Zhaoyang Huang <zhaoyang.huang@...aro.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jslaby@...e.com" <jslaby@...e.com>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:	Sudeep Holla <sudeep.holla@....com>,
	"amit.kucheria@...aro.org" <amit.kucheria@...aro.org>,
	"daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>
Subject: Re: [PATCH] modify pl011 driver to let it work as wakeup source



On 17/09/15 09:31, Zhaoyang Huang wrote:
> the commit use the latest dev_pm_set_wake_irq API instead
> of the enable_irq_wake and IRQF_NO_SUSPEND to configure the
> ttyAMA device to work as the wakeup source
>

As I mentioned earlier[1], if this a based on Juno platform, then
it gets NACK. Please add this feature when it's needed on a real
platform on which hardware supports UART/PL011 as a wake source.

Do you have any such platform to test ? On Juno, it can't be used as
wakeup source.

Regards,
Sudeep

[1] https://www.marc.info/?l=linux-pm&m=144239396227080&w=2
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