linux-kernel - Re: [PATCH] hwmon: (pmbus) Use dev_err_probe() to filter -EPROBE

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Date:   Wed, 17 Aug 2022 08:31:10 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Jean Delvare <jdelvare@...e.com>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-hwmon@...r.kernel.org
Subject: Re: [PATCH] hwmon: (pmbus) Use dev_err_probe() to filter
 -EPROBE_DEFER error messages

On Wed, Aug 17, 2022 at 03:04:00PM +0200, Christophe JAILLET wrote:
> devm_regulator_register() can return -EPROBE_DEFER, so better use
> dev_err_probe() instead of dev_err(), it is less verbose in such a case.
> 
> It is also more informative, which can't hurt.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied

Thanks,
Guenter

> ---
>  drivers/hwmon/pmbus/pmbus_core.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
> index 5541d26e8623..e000674d50df 100644
> --- a/drivers/hwmon/pmbus/pmbus_core.c
> +++ b/drivers/hwmon/pmbus/pmbus_core.c
> @@ -3016,11 +3016,10 @@ static int pmbus_regulator_register(struct pmbus_data *data)
>  
>  		rdev = devm_regulator_register(dev, &info->reg_desc[i],
>  					       &config);
> -		if (IS_ERR(rdev)) {
> -			dev_err(dev, "Failed to register %s regulator\n",
> -				info->reg_desc[i].name);
> -			return PTR_ERR(rdev);
> -		}
> +		if (IS_ERR(rdev))
> +			return dev_err_probe(dev, PTR_ERR(rdev),
> +					     "Failed to register %s regulator\n",
> +					     info->reg_desc[i].name);
>  	}
>  
>  	return 0;