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From: lee.jones@linaro.org (Lee Jones)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/4] staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning
Date: Fri, 3 May 2013 08:11:42 +0100	[thread overview]
Message-ID: <20130503071142.GB24153@gmail.com> (raw)
In-Reply-To: <20130503070713.GA27956@bnru09>

On Fri, 03 May 2013, Srinidhi Kasagar wrote:

> On Thu, May 02, 2013 at 17:48:10 +0200, Lee Jones wrote:
> > drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:
> >         In function ?synaptics_rmi4_resume?:
> > drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:1090:18:
> >         warning: ignoring return value of ?regulator_enable?, declared
> >         with attribute warn_unused_result [-Wunused-result
> > 
> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Cc: devel at driverdev.osuosl.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> >  drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c |    4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > index fe667dd..c4d013d 100644
> > --- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > +++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > @@ -1087,7 +1087,9 @@ static int synaptics_rmi4_resume(struct device *dev)
> >  	unsigned char intr_status;
> >  	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
> >  
> > -	regulator_enable(rmi4_data->regulator);
> > +	retval = regulator_enable(rmi4_data->regulator);
> > +	if (retval < 0)
> > +		return retval;
> Does it make sense to add a dev_err?

Yes, I can do that.

> Otherwise, you can add my
> Acked-by:srinidhi kasagar <srinidhi.kasagar@stericsson.com> for this series.

Thanks.

> >  
> >  	enable_irq(rmi4_data->i2c_client->irq);
> >  	rmi4_data->touch_stopped = false;

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

WARNING: multiple messages have this Message-ID (diff)
From: Lee Jones <lee.jones@linaro.org>
To: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"arnd@arndb.de" <arnd@arndb.de>,
	Linus WALLEIJ <linus.walleij@stericsson.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>
Subject: Re: [PATCH 4/4] staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning
Date: Fri, 3 May 2013 08:11:42 +0100	[thread overview]
Message-ID: <20130503071142.GB24153@gmail.com> (raw)
In-Reply-To: <20130503070713.GA27956@bnru09>

On Fri, 03 May 2013, Srinidhi Kasagar wrote:

> On Thu, May 02, 2013 at 17:48:10 +0200, Lee Jones wrote:
> > drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:
> >         In function ‘synaptics_rmi4_resume’:
> > drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:1090:18:
> >         warning: ignoring return value of ‘regulator_enable’, declared
> >         with attribute warn_unused_result [-Wunused-result
> > 
> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Cc: devel@driverdev.osuosl.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> >  drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c |    4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > index fe667dd..c4d013d 100644
> > --- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > +++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
> > @@ -1087,7 +1087,9 @@ static int synaptics_rmi4_resume(struct device *dev)
> >  	unsigned char intr_status;
> >  	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
> >  
> > -	regulator_enable(rmi4_data->regulator);
> > +	retval = regulator_enable(rmi4_data->regulator);
> > +	if (retval < 0)
> > +		return retval;
> Does it make sense to add a dev_err?

Yes, I can do that.

> Otherwise, you can add my
> Acked-by:srinidhi kasagar <srinidhi.kasagar@stericsson.com> for this series.

Thanks.

> >  
> >  	enable_irq(rmi4_data->i2c_client->irq);
> >  	rmi4_data->touch_stopped = false;

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  reply	other threads:[~2013-05-03  7:11 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-02 15:48 [PATCH 0/4] Fixing boot warnings in -next Lee Jones
2013-05-02 15:48 ` Lee Jones
2013-05-02 15:48 ` [PATCH 1/4] ARM: ux500: Rid ignored return value of regulator_enable() compiler warning Lee Jones
2013-05-02 15:48   ` Lee Jones
2013-05-03  8:27   ` Linus Walleij
2013-05-03  8:27     ` Linus Walleij
2013-05-02 15:48 ` [PATCH 2/4] mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning Lee Jones
2013-05-02 15:48   ` Lee Jones
2013-05-03  8:28   ` Linus Walleij
2013-05-03  8:28     ` Linus Walleij
2013-05-03 11:04     ` Lee Jones
2013-05-03 11:04       ` Lee Jones
2013-05-03 11:22       ` Lee Jones
2013-05-03 11:22         ` Lee Jones
2013-05-03 11:15   ` [PATCH 2/4 v2] " Lee Jones
2013-05-03 11:15     ` Lee Jones
2013-05-03 13:41     ` Linus Walleij
2013-05-03 13:41       ` Linus Walleij
2013-05-03 13:55       ` Lee Jones
2013-05-03 13:55         ` Lee Jones
2013-05-02 15:48 ` [PATCH 3/4] mmc: mmci: Ensure return value of regulator_enable() is checked Lee Jones
2013-05-02 15:48   ` Lee Jones
2013-05-03  8:01   ` Ulf Hansson
2013-05-03  8:01     ` Ulf Hansson
2013-05-03  8:16     ` Lee Jones
2013-05-03  8:16       ` Lee Jones
2013-05-03  8:20       ` Ulf Hansson
2013-05-03  8:20         ` Ulf Hansson
2013-05-03 10:38         ` Lee Jones
2013-05-03 10:38           ` Lee Jones
2013-05-02 15:48 ` [PATCH 4/4] staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning Lee Jones
2013-05-02 15:48   ` Lee Jones
2013-05-03  7:07   ` Srinidhi Kasagar
2013-05-03  7:07     ` Srinidhi Kasagar
2013-05-03  7:11     ` Lee Jones [this message]
2013-05-03  7:11       ` Lee Jones
2013-05-05 14:18     ` Dan Carpenter
2013-05-05 14:18       ` Dan Carpenter
2013-05-06  6:51       ` Srinidhi Kasagar
2013-05-06  6:51         ` Srinidhi Kasagar
2013-05-06  7:43         ` Dan Carpenter
2013-05-06  7:43           ` Dan Carpenter
2013-05-03 14:21   ` [PATCH 4/4 v2] " Lee Jones
2013-05-03 14:21     ` Lee Jones
2013-05-14 10:46   ` [PATCH 4/4] " Lee Jones
2013-05-14 10:46     ` Lee Jones
2013-05-14 11:05     ` Greg Kroah-Hartman
2013-05-14 11:05       ` Greg Kroah-Hartman

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