[PATCH v2 2/2] mailbox: cix: fix DT property name string typo and use dev_err_probe()

[Guomin chen]

On Wed, Aug 12, 2026 at 03:36:23PM +0530, kr494167 at gmail.com wrote:
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> From: Surendra Singh Chouhan <kr494167 at gmail.com>
> 
> cix_mbox_probe() logged property error messages referencing
> "cix,mbox_dir" (with an underscore) instead of the actual DT property
> string "cix,mbox-dir".
> 
> Fix the DT property string in error log messages and convert probe error
> paths to dev_err_probe().
> 
> Signed-off-by: Surendra Singh Chouhan <kr494167 at gmail.com>
> ---
>  drivers/mailbox/cix-mailbox.c | 16 ++++++----------
>  1 file changed, 6 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/mailbox/cix-mailbox.c b/drivers/mailbox/cix-mailbox.c
> index 615218c69eeb..fb5d7641ba90 100644
> --- a/drivers/mailbox/cix-mailbox.c
> +++ b/drivers/mailbox/cix-mailbox.c
> @@ -585,19 +585,15 @@ static int cix_mbox_probe(struct platform_device *pdev)
>         if (priv->irq < 0)
>                 return priv->irq;
> 
> -       if (device_property_read_string(dev, "cix,mbox-dir", &dir_str)) {
> -               dev_err(priv->dev, "cix,mbox_dir property not found\n");
> -               return -EINVAL;
> -       }
> +       if (device_property_read_string(dev, "cix,mbox-dir", &dir_str))
> +               return dev_err_probe(dev, -EINVAL, "cix,mbox-dir property not found\n");
> 
>         if (!strcmp(dir_str, "tx"))
>                 priv->dir = 0;
>         else if (!strcmp(dir_str, "rx"))
>                 priv->dir = 1;
> -       else {
> -               dev_err(priv->dev, "cix,mbox_dir=%s is not expected\n", dir_str);
> -               return -EINVAL;
> -       }
> +       else
> +               return dev_err_probe(dev, -EINVAL, "cix,mbox-dir=%s is not expected\n", dir_str);
> 
>         cix_mbox_init(priv);
> 
> @@ -611,9 +607,9 @@ static int cix_mbox_probe(struct platform_device *pdev)
>         platform_set_drvdata(pdev, priv);
>         ret = devm_mbox_controller_register(dev, &priv->mbox);
>         if (ret)
> -               dev_err(dev, "Failed to register mailbox %d\n", ret);
> +               return dev_err_probe(dev, ret, "Failed to register mailbox\n");
> 
> -       return ret;
> +       return 0;
>  }
>
Reviewed-by: Guomin Chen <Guomin.Chen at cixtech.com>

Best regards,
Guomin Chen