Re: [PATCH] hwmon: peci: Use devm_delayed_work_autocancel() to simplify code

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On Sun, 2022-02-13 at 20:48 +0100, Christophe JAILLET wrote:
> Use devm_delayed_work_autocancel() instead of hand writing it. This is
> less verbose and saves a few lines of code.
> 
> devm_delayed_work_autocancel() uses devm_add_action() instead of
> devm_add_action_or_reset(). This is fine, because if the underlying memory
> allocation fails, no work has been scheduled yet. So there is nothing to
> undo.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Iwona Winiarska <iwona.winiarska@xxxxxxxxx>

Thanks
-Iwona

> ---
>  drivers/hwmon/peci/dimmtemp.c | 13 +++----------
>  1 file changed, 3 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/hwmon/peci/dimmtemp.c b/drivers/hwmon/peci/dimmtemp.c
> index c8222354c005..96b9919db357 100644
> --- a/drivers/hwmon/peci/dimmtemp.c
> +++ b/drivers/hwmon/peci/dimmtemp.c
> @@ -4,6 +4,7 @@
>  #include <linux/auxiliary_bus.h>
>  #include <linux/bitfield.h>
>  #include <linux/bitops.h>
> +#include <linux/devm-helpers.h>
>  #include <linux/hwmon.h>
>  #include <linux/jiffies.h>
>  #include <linux/module.h>
> @@ -378,13 +379,6 @@ static void create_dimm_temp_info_delayed(struct
> work_struct *work)
>                 dev_err(priv->dev, "Failed to populate DIMM temp info\n");
>  }
>  
> -static void remove_delayed_work(void *_priv)
> -{
> -       struct peci_dimmtemp *priv = _priv;
> -
> -       cancel_delayed_work_sync(&priv->detect_work);
> -}
> -
>  static int peci_dimmtemp_probe(struct auxiliary_device *adev, const struct
> auxiliary_device_id *id)
>  {
>         struct device *dev = &adev->dev;
> @@ -415,9 +409,8 @@ static int peci_dimmtemp_probe(struct auxiliary_device
> *adev, const struct auxil
>                          "Unexpected PECI revision %#x, some features may be
> unavailable\n",
>                          peci_dev->info.peci_revision);
>  
> -       INIT_DELAYED_WORK(&priv->detect_work, create_dimm_temp_info_delayed);
> -
> -       ret = devm_add_action_or_reset(priv->dev, remove_delayed_work, priv);
> +       ret = devm_delayed_work_autocancel(priv->dev, &priv->detect_work,
> +                                          create_dimm_temp_info_delayed);
>         if (ret)
>                 return ret;
>  





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