linux-kernel - Re: [PATCH 1/2] iio: adc: stm32-dfsdm: manage the get

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Date:   Sat, 27 Apr 2019 14:08:40 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Fabrice Gasnier <fabrice.gasnier@...com>
Cc:     Fabien Dessenne <fabien.dessenne@...com>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        <linux-iio@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] iio: adc: stm32-dfsdm: manage the get_irq error
 case

On Wed, 24 Apr 2019 14:55:09 +0200
Fabrice Gasnier <fabrice.gasnier@...com> wrote:

> On 4/24/19 2:51 PM, Fabien Dessenne wrote:
> > During probe, check the "get_irq" error value.
> > 
> > Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
> > ---  
> 
> Hi Fabien,
> 
> Acked-by: Fabrice Gasnier <fabrice.gasnier@...com>
Applied to the togreg branch of iio.git and pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan

> 
> Thanks,
> Fabrice
> 
> >  drivers/iio/adc/stm32-dfsdm-adc.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
> > index 19adc2b..588907c 100644
> > --- a/drivers/iio/adc/stm32-dfsdm-adc.c
> > +++ b/drivers/iio/adc/stm32-dfsdm-adc.c
> > @@ -1456,6 +1456,12 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
> >  	 * So IRQ associated to filter instance 0 is dedicated to the Filter 0.
> >  	 */
> >  	irq = platform_get_irq(pdev, 0);
> > +	if (irq < 0) {
> > +		if (irq != -EPROBE_DEFER)
> > +			dev_err(dev, "Failed to get IRQ: %d\n", irq);
> > +		return irq;
> > +	}
> > +
> >  	ret = devm_request_irq(dev, irq, stm32_dfsdm_irq,
> >  			       0, pdev->name, adc);
> >  	if (ret < 0) {
> >