linux-kernel - Re: [PATCHv3 13/14] power: supply: generic-adc-battery: improve error message

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Date:   Tue, 21 Mar 2023 11:18:21 +0200
From:   Matti Vaittinen <mazziesaccount@...il.com>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCHv3 13/14] power: supply: generic-adc-battery: improve error
 message

On 3/18/23 00:57, Sebastian Reichel wrote:
> Add device context and error code to the error messages to make it
> useful.
> 
> Signed-off-by: Sebastian Reichel <sre@...nel.org>

Reviewed-by: Matti Vaittinen <mazziesaccount@...il.com>

> ---
>   drivers/power/supply/generic-adc-battery.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
> index df1c0a1c6b52..2fa946c93fb4 100644
> --- a/drivers/power/supply/generic-adc-battery.c
> +++ b/drivers/power/supply/generic-adc-battery.c
> @@ -92,7 +92,7 @@ static int read_channel(struct gab *adc_bat, enum gab_chan_type channel,
>   
>   	ret = iio_read_channel_processed(adc_bat->channel[channel], result);
>   	if (ret < 0)
> -		pr_err("read channel error\n");
> +		dev_err(&adc_bat->psy->dev, "read channel error: %d\n", ret);
>   	else
>   		*result *= 1000;
>   

-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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