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Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups

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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>
Link: https://lore.kernel.org/r/1584082751-17047-1-git-send-email-Anson.Huang@nxp.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Anson Huang 2020-05-13 10:15:49 -07:00 committed by Dmitry Torokhov
parent 2ecf9487a7
commit 768062fd12
1 changed files with 15 additions and 18 deletions
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33
drivers/input/keyboard/imx_sc_key.c
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@ -99,6 +99,15 @@ 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;
@ -149,27 +158,16 @@ 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[] = {
@ -184,7 +182,6 @@ 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);