Re: [PATCH -next 10/13] media: rc: gpio-ir-recv: Switch to use dev_err_probe() helper

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Hi,

On Fri, Sep 16, 2022 at 09:13:14AM +0800, Yang Yingliang wrote:
> On 2022/9/16 0:38, Sean Young wrote:
> > On Thu, Sep 15, 2022 at 11:03:21PM +0800, Yang Yingliang wrote:
> > > In the probe path, dev_err() can be replace with dev_err_probe()
> > > which will check if error code is -EPROBE_DEFER.
> > > 
> > > Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> > > ---
> > >   drivers/media/rc/gpio-ir-recv.c | 10 +++-------
> > >   1 file changed, 3 insertions(+), 7 deletions(-)
> > > 
> > > diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c
> > > index 22e524b69806..8f1fff7af6c9 100644
> > > --- a/drivers/media/rc/gpio-ir-recv.c
> > > +++ b/drivers/media/rc/gpio-ir-recv.c
> > > @@ -74,13 +74,9 @@ static int gpio_ir_recv_probe(struct platform_device *pdev)
> > >   		return -ENOMEM;
> > >   	gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);
> > > -	if (IS_ERR(gpio_dev->gpiod)) {
> > > -		rc = PTR_ERR(gpio_dev->gpiod);
> > > -		/* Just try again if this happens */
> > > -		if (rc != -EPROBE_DEFER)
> > > -			dev_err(dev, "error getting gpio (%d)\n", rc);
> > > -		return rc;
> > > -	}
> > > +	if (IS_ERR(gpio_dev->gpiod))
> > > +		return dev_err_probe(dev, PTR_ERR(gpio_dev->gpiod),
> > > +				     "error getting gpio\n");
> > Now the error number is no longer logged. That can't be good?
> Instead of error number, the error name is printed in dev_err_probe(), and 
> it's better for read.

Yes, I should have checked this. This is much nicer, with the error printed with
%pe. Thanks!

For the three drivers in drivers/media/rc/ :

Reviewed-by: Sean Young <sean@xxxxxxxx>

Thanks
Sean



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