extcon: max77693: Use resource managed interrupt line

Use resource managed interrupt line devm_request_threaded_irq() to
simplify a little cleanup paths:
 - no goto to cleanup label,
 - simpler remove function.

Overall the driver size is decreased by 11 line of code.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

1 files changed, 7 insertions, 18 deletions

diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 77460f2c1ca1..0574154a94a9 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -1155,13 +1155,11 @@ static int max77693_muic_probe(struct platform_device *pdev)
 
                 virq = regmap_irq_get_virq(max77693->irq_data_muic,
                                         muic_irq->irq);
-                if (!virq) {
-                        ret = -EINVAL;
-                        goto err_irq;
-                }
+                if (!virq)
+                        return -EINVAL;
                 muic_irq->virq = virq;
 
-                ret = request_threaded_irq(virq, NULL,
+                ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
                                 max77693_muic_irq_handler,
                                 IRQF_NO_SUSPEND,
                                 muic_irq->name, info);
@@ -1170,7 +1168,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
                                 "failed: irq request (IRQ: %d,"
                                 " error :%d)\n",
                                 muic_irq->irq, ret);
-                        goto err_irq;
+                        return ret;
                 }
         }
 
@@ -1179,15 +1177,14 @@ static int max77693_muic_probe(struct platform_device *pdev)
                                               max77693_extcon_cable);
         if (IS_ERR(info->edev)) {
                 dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
-                ret = -ENOMEM;
-                goto err_irq;
+                return -ENOMEM;
         }
         info->edev->name = DEV_NAME;
 
         ret = devm_extcon_dev_register(&pdev->dev, info->edev);
         if (ret) {
                 dev_err(&pdev->dev, "failed to register extcon device\n");
-                goto err_irq;
+                return ret;
         }
 
         /* Initialize MUIC register by using platform data or default data */
@@ -1265,7 +1262,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
                         MAX77693_MUIC_REG_ID, &id);
         if (ret < 0) {
                 dev_err(&pdev->dev, "failed to read revision number\n");
-                goto err_irq;
+                return ret;
         }
         dev_info(info->dev, "device ID : 0x%x\n", id);
 
@@ -1285,20 +1282,12 @@ static int max77693_muic_probe(struct platform_device *pdev)
                         delay_jiffies);
 
         return ret;
-
-err_irq:
-        while (--i >= 0)
-                free_irq(muic_irqs[i].virq, info);
-        return ret;
 }
 
 static int max77693_muic_remove(struct platform_device *pdev)
 {
         struct max77693_muic_info *info = platform_get_drvdata(pdev);
-        int i;
 
-        for (i = 0; i < ARRAY_SIZE(muic_irqs); i++)
-                free_irq(muic_irqs[i].virq, info);
         cancel_work_sync(&info->irq_work);
         input_unregister_device(info->dock);