linux-kernel - Re: [PATCH V2] power: supply: max17042_battery: Use devm_work

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Message-ID: <c5e6837b-ce26-4e1c-8e3d-db5798cfa957@redhat.com>
Date:   Fri, 18 Feb 2022 19:13:44 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sebastian Krzyszkowiak <sebastian.krzyszkowiak@...i.sm>,
        Purism Kernel Team <kernel@...i.sm>,
        Sebastian Reichel <sre@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH V2] power: supply: max17042_battery: Use
 devm_work_autocancel()

Hi,

On 2/18/22 18:37, Christophe JAILLET wrote:
> Use devm_work_autocancel() instead of hand-writing it.
> This saves a few lines of code.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> V2: s/devm_delayed_work_autocancel/devm_work_autocancel/

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> 
>  drivers/power/supply/max17042_battery.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
> index 87128cf0d577..ab031bbfbe78 100644
> --- a/drivers/power/supply/max17042_battery.c
> +++ b/drivers/power/supply/max17042_battery.c
> @@ -9,6 +9,7 @@
>  // This driver is based on max17040_battery.c
>  
>  #include <linux/acpi.h>
> +#include <linux/devm-helpers.h>
>  #include <linux/init.h>
>  #include <linux/module.h>
>  #include <linux/slab.h>
> @@ -1030,13 +1031,6 @@ static const struct power_supply_desc max17042_no_current_sense_psy_desc = {
>  	.num_properties	= ARRAY_SIZE(max17042_battery_props) - 2,
>  };
>  
> -static void max17042_stop_work(void *data)
> -{
> -	struct max17042_chip *chip = data;
> -
> -	cancel_work_sync(&chip->work);
> -}
> -
>  static int max17042_probe(struct i2c_client *client,
>  			const struct i2c_device_id *id)
>  {
> @@ -1142,8 +1136,8 @@ static int max17042_probe(struct i2c_client *client,
>  
>  	regmap_read(chip->regmap, MAX17042_STATUS, &val);
>  	if (val & STATUS_POR_BIT) {
> -		INIT_WORK(&chip->work, max17042_init_worker);
> -		ret = devm_add_action(&client->dev, max17042_stop_work, chip);
> +		ret = devm_work_autocancel(&client->dev, &chip->work,
> +					   max17042_init_worker);
>  		if (ret)
>  			return ret;
>  		schedule_work(&chip->work);