linux-kernel - RE: [PATCH] rtc/ds3232: fix ds3232 get a WARNING trace in resume function

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Message-ID: <SN1PR0301MB161694E7F5018A10A74DD2AC9D7E0@SN1PR0301MB1616.namprd03.prod.outlook.com>
Date:	Wed, 12 Aug 2015 07:50:03 +0000
From:	Wang Dongsheng <Dongsheng.Wang@...escale.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:	"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] rtc/ds3232: fix ds3232 get a WARNING trace in resume
 function

Hi Belloni,

I am not found this patch in your tree(rtc-fixes and rtc-next), Need I send v2 patch? :)

Regards,
-Dongsheng

> -----Original Message-----
> From: Wang Dongsheng-B40534
> Sent: Wednesday, July 15, 2015 10:06 AM
> To: 'Alexandre Belloni'
> Cc: a.zummo@...ertech.it; rtc-linux@...glegroups.com; linux-
> kernel@...r.kernel.org
> Subject: RE: [PATCH] rtc/ds3232: fix ds3232 get a WARNING trace in resume
> function
> 
> Thanks Belloni. :)
> 
> Regards,
> -Dongsheng
> 
> > -----Original Message-----
> > From: Alexandre Belloni [mailto:alexandre.belloni@...e-electrons.com]
> > Sent: Wednesday, July 15, 2015 6:51 AM
> > To: Wang Dongsheng-B40534
> > Cc: a.zummo@...ertech.it; rtc-linux@...glegroups.com; linux-
> > kernel@...r.kernel.org
> > Subject: Re: [PATCH] rtc/ds3232: fix ds3232 get a WARNING trace in
> > resume function
> >
> > Hi,
> >
> > This seems ok, one small nitpick:
> >
> > On 07/07/2015 at 14:12:56 +0800, Dongsheng Wang wrote :
> > > From: Wang Dongsheng <dongsheng.wang@...escale.com> diff --git
> > > a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c index
> > > 7e48e53..2081155 100644
> > > --- a/drivers/rtc/rtc-ds3232.c
> > > +++ b/drivers/rtc/rtc-ds3232.c
> > > @@ -463,7 +463,10 @@ static int ds3232_suspend(struct device *dev)
> > >
> > >  	if (device_can_wakeup(dev)) {
> > >  		ds3232->suspended = true;
> > > -		irq_set_irq_wake(client->irq, 1);
> > > +		if (irq_set_irq_wake(client->irq, 1)) {
> > > +			dev_info(dev, "Cannot serve as a wakeup source\n");
> >
> > I would use dev_warn_once or dev_info_once here to avoid spamming the
> > log each time the machine is suspended.
> >
> > --
> > Alexandre Belloni, Free Electrons
> > Embedded Linux, Kernel and Android engineering
> > http://free-electrons.com
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