diff mbox series

input: keyboard: imx_sc_key: Use devm_add_action_or_reset() to handle all cleanups

Message ID 1584082751-17047-1-git-send-email-Anson.Huang@nxp.com (mailing list archive)
State Mainlined
Commit 768062fd1284529212daffd360314e9aa93abb62
Headers show
Series input: keyboard: imx_sc_key: Use devm_add_action_or_reset() to handle all cleanups | expand

Commit Message

Anson Huang March 13, 2020, 6:59 a.m. UTC
Use devm_add_action_or_reset() to handle all cleanups of failure in
.probe and .remove, then .remove callback can be dropped.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
 drivers/input/keyboard/imx_sc_key.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

Comments

Anson Huang May 13, 2020, 6:08 a.m. UTC | #1
Gentle ping...

> Subject: [PATCH] input: keyboard: imx_sc_key: Use
> devm_add_action_or_reset() to handle all cleanups
> 
> Use devm_add_action_or_reset() to handle all cleanups of failure in .probe
> and .remove, then .remove callback can be dropped.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
>  drivers/input/keyboard/imx_sc_key.c | 33 +++++++++++++++------------------
>  1 file changed, 15 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/input/keyboard/imx_sc_key.c
> b/drivers/input/keyboard/imx_sc_key.c
> index 2672fd4..eab5dfb 100644
> --- a/drivers/input/keyboard/imx_sc_key.c
> +++ b/drivers/input/keyboard/imx_sc_key.c
> @@ -96,6 +96,15 @@ static void imx_sc_check_for_events(struct work_struct
> *work)
>  				      msecs_to_jiffies(REPEAT_INTERVAL));
>  }
> 
> +static void imx_sc_key_action(void *data) {
> +	struct imx_key_drv_data *priv = data;
> +
> +	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
> false);
> +	imx_scu_irq_unregister_notifier(&priv->key_notifier);
> +	cancel_delayed_work_sync(&priv->check_work);
> +}
> +
>  static int imx_sc_key_probe(struct platform_device *pdev)  {
>  	struct imx_key_drv_data *priv;
> @@ -146,27 +155,16 @@ static int imx_sc_key_probe(struct platform_device
> *pdev)
>  		return error;
>  	}
> 
> +	error = devm_add_action_or_reset(&pdev->dev, imx_sc_key_action,
> &priv);
> +	if (error)
> +		return error;
> +
>  	priv->key_notifier.notifier_call = imx_sc_key_notify;
>  	error = imx_scu_irq_register_notifier(&priv->key_notifier);
> -	if (error) {
> -		imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE,
> SC_IRQ_BUTTON,
> -					 false);
> +	if (error)
>  		dev_err(&pdev->dev, "failed to register scu notifier\n");
> -		return error;
> -	}
> -
> -	return 0;
> -}
> -
> -static int imx_sc_key_remove(struct platform_device *pdev) -{
> -	struct imx_key_drv_data *priv = platform_get_drvdata(pdev);
> -
> -	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
> false);
> -	imx_scu_irq_unregister_notifier(&priv->key_notifier);
> -	cancel_delayed_work_sync(&priv->check_work);
> 
> -	return 0;
> +	return error;
>  }
> 
>  static const struct of_device_id imx_sc_key_ids[] = { @@ -181,7 +179,6 @@
> static struct platform_driver imx_sc_key_driver = {
>  		.of_match_table = imx_sc_key_ids,
>  	},
>  	.probe = imx_sc_key_probe,
> -	.remove = imx_sc_key_remove,
>  };
>  module_platform_driver(imx_sc_key_driver);
> 
> --
> 2.7.4
Dmitry Torokhov May 13, 2020, 5:19 p.m. UTC | #2
On Fri, Mar 13, 2020 at 02:59:11PM +0800, Anson Huang wrote:
> Use devm_add_action_or_reset() to handle all cleanups of failure in
> .probe and .remove, then .remove callback can be dropped.
> 
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

Applied, thank you.
diff mbox series

Patch

diff --git a/drivers/input/keyboard/imx_sc_key.c b/drivers/input/keyboard/imx_sc_key.c
index 2672fd4..eab5dfb 100644
--- a/drivers/input/keyboard/imx_sc_key.c
+++ b/drivers/input/keyboard/imx_sc_key.c
@@ -96,6 +96,15 @@  static void imx_sc_check_for_events(struct work_struct *work)
 				      msecs_to_jiffies(REPEAT_INTERVAL));
 }
 
+static void imx_sc_key_action(void *data)
+{
+	struct imx_key_drv_data *priv = data;
+
+	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, false);
+	imx_scu_irq_unregister_notifier(&priv->key_notifier);
+	cancel_delayed_work_sync(&priv->check_work);
+}
+
 static int imx_sc_key_probe(struct platform_device *pdev)
 {
 	struct imx_key_drv_data *priv;
@@ -146,27 +155,16 @@  static int imx_sc_key_probe(struct platform_device *pdev)
 		return error;
 	}
 
+	error = devm_add_action_or_reset(&pdev->dev, imx_sc_key_action, &priv);
+	if (error)
+		return error;
+
 	priv->key_notifier.notifier_call = imx_sc_key_notify;
 	error = imx_scu_irq_register_notifier(&priv->key_notifier);
-	if (error) {
-		imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON,
-					 false);
+	if (error)
 		dev_err(&pdev->dev, "failed to register scu notifier\n");
-		return error;
-	}
-
-	return 0;
-}
-
-static int imx_sc_key_remove(struct platform_device *pdev)
-{
-	struct imx_key_drv_data *priv = platform_get_drvdata(pdev);
-
-	imx_scu_irq_group_enable(SC_IRQ_GROUP_WAKE, SC_IRQ_BUTTON, false);
-	imx_scu_irq_unregister_notifier(&priv->key_notifier);
-	cancel_delayed_work_sync(&priv->check_work);
 
-	return 0;
+	return error;
 }
 
 static const struct of_device_id imx_sc_key_ids[] = {
@@ -181,7 +179,6 @@  static struct platform_driver imx_sc_key_driver = {
 		.of_match_table = imx_sc_key_ids,
 	},
 	.probe = imx_sc_key_probe,
-	.remove = imx_sc_key_remove,
 };
 module_platform_driver(imx_sc_key_driver);