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-rw-r--r--drivers/extcon/extcon-max14577.c16
-rw-r--r--drivers/extcon/extcon-max77693.c17
-rw-r--r--drivers/extcon/extcon-max8997.c45
3 files changed, 25 insertions, 53 deletions
diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index ace523924e58..5476f48ed74b 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -6,6 +6,7 @@
// Chanwoo Choi <cw00.choi@samsung.com>
// Krzysztof Kozlowski <krzk@kernel.org>
+#include <linux/devm-helpers.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
@@ -673,7 +674,10 @@ static int max14577_muic_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
mutex_init(&info->mutex);
- INIT_WORK(&info->irq_work, max14577_muic_irq_work);
+ ret = devm_work_autocancel(&pdev->dev, &info->irq_work,
+ max14577_muic_irq_work);
+ if (ret)
+ return ret;
switch (max14577->dev_type) {
case MAXIM_DEVICE_TYPE_MAX77836:
@@ -766,15 +770,6 @@ static int max14577_muic_probe(struct platform_device *pdev)
return ret;
}
-static int max14577_muic_remove(struct platform_device *pdev)
-{
- struct max14577_muic_info *info = platform_get_drvdata(pdev);
-
- cancel_work_sync(&info->irq_work);
-
- return 0;
-}
-
static const struct platform_device_id max14577_muic_id[] = {
{ "max14577-muic", MAXIM_DEVICE_TYPE_MAX14577, },
{ "max77836-muic", MAXIM_DEVICE_TYPE_MAX77836, },
@@ -797,7 +792,6 @@ static struct platform_driver max14577_muic_driver = {
.of_match_table = of_max14577_muic_dt_match,
},
.probe = max14577_muic_probe,
- .remove = max14577_muic_remove,
.id_table = max14577_muic_id,
};
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 92af97e00828..1f1d9ab0c5c7 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -5,6 +5,7 @@
// Copyright (C) 2012 Samsung Electrnoics
// Chanwoo Choi <cw00.choi@samsung.com>
+#include <linux/devm-helpers.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
@@ -1127,7 +1128,10 @@ static int max77693_muic_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
mutex_init(&info->mutex);
- INIT_WORK(&info->irq_work, max77693_muic_irq_work);
+ ret = devm_work_autocancel(&pdev->dev, &info->irq_work,
+ max77693_muic_irq_work);
+ if (ret)
+ return ret;
/* Support irq domain for MAX77693 MUIC device */
for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
@@ -1254,22 +1258,11 @@ static int max77693_muic_probe(struct platform_device *pdev)
return ret;
}
-static int max77693_muic_remove(struct platform_device *pdev)
-{
- struct max77693_muic_info *info = platform_get_drvdata(pdev);
-
- cancel_work_sync(&info->irq_work);
- input_unregister_device(info->dock);
-
- return 0;
-}
-
static struct platform_driver max77693_muic_driver = {
.driver = {
.name = DEV_NAME,
},
.probe = max77693_muic_probe,
- .remove = max77693_muic_remove,
};
module_platform_driver(max77693_muic_driver);
diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index 633597a6081a..9cddf08e0696 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -5,6 +5,7 @@
// Copyright (C) 2012 Samsung Electronics
// Donggeun Kim <dg77.kim@samsung.com>
+#include <linux/devm-helpers.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
@@ -650,27 +651,30 @@ static int max8997_muic_probe(struct platform_device *pdev)
mutex_init(&info->mutex);
INIT_WORK(&info->irq_work, max8997_muic_irq_work);
+ ret = devm_work_autocancel(&pdev->dev, &info->irq_work,
+ max8997_muic_irq_work);
+ if (ret)
+ return ret;
for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) {
struct max8997_muic_irq *muic_irq = &muic_irqs[i];
unsigned int virq = 0;
virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq);
- if (!virq) {
- ret = -EINVAL;
- goto err_irq;
- }
+ if (!virq)
+ return -EINVAL;
+
muic_irq->virq = virq;
- ret = request_threaded_irq(virq, NULL,
- max8997_muic_irq_handler,
- IRQF_NO_SUSPEND,
- muic_irq->name, info);
+ ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
+ max8997_muic_irq_handler,
+ IRQF_NO_SUSPEND,
+ muic_irq->name, info);
if (ret) {
dev_err(&pdev->dev,
"failed: irq request (IRQ: %d, error :%d)\n",
muic_irq->irq, ret);
- goto err_irq;
+ return ret;
}
}
@@ -678,14 +682,13 @@ static int max8997_muic_probe(struct platform_device *pdev)
info->edev = devm_extcon_dev_allocate(&pdev->dev, max8997_extcon_cable);
if (IS_ERR(info->edev)) {
dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
- ret = PTR_ERR(info->edev);
- goto err_irq;
+ return PTR_ERR(info->edev);
}
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;
}
if (pdata && pdata->muic_pdata) {
@@ -756,23 +759,6 @@ static int max8997_muic_probe(struct platform_device *pdev)
delay_jiffies);
return 0;
-
-err_irq:
- while (--i >= 0)
- free_irq(muic_irqs[i].virq, info);
- return ret;
-}
-
-static int max8997_muic_remove(struct platform_device *pdev)
-{
- struct max8997_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);
-
- return 0;
}
static struct platform_driver max8997_muic_driver = {
@@ -780,7 +766,6 @@ static struct platform_driver max8997_muic_driver = {
.name = DEV_NAME,
},
.probe = max8997_muic_probe,
- .remove = max8997_muic_remove,
};
module_platform_driver(max8997_muic_driver);