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authorHimangi Saraogi <himangi774@gmail.com>2014-05-29 00:17:59 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-05-29 00:26:34 -0700
commitcde51e73cbfa00a85b17bb5dfc0a465d9233660e (patch)
treeca84b4e77608ea4563fe16e1cda757babb1a142f /drivers/input
parent157d45fbdde4919c2b0421bb41d52fc8da155e28 (diff)
Input: 88pm860x_onkey - switch to using managed resources
Let's switch the driver to use managed resources, this will simplify error handling and driver unbinding logic. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/misc/88pm860x_onkey.c40
1 files changed, 10 insertions, 30 deletions
diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
index abd8453e521..220ce0fa15d 100644
--- a/drivers/input/misc/88pm860x_onkey.c
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -26,6 +26,7 @@
#include <linux/interrupt.h>
#include <linux/mfd/88pm860x.h>
#include <linux/slab.h>
+#include <linux/device.h>
#define PM8607_WAKEUP 0x0b
@@ -68,7 +69,8 @@ static int pm860x_onkey_probe(struct platform_device *pdev)
return -EINVAL;
}
- info = kzalloc(sizeof(struct pm860x_onkey_info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_onkey_info),
+ GFP_KERNEL);
if (!info)
return -ENOMEM;
info->chip = chip;
@@ -76,11 +78,10 @@ static int pm860x_onkey_probe(struct platform_device *pdev)
info->dev = &pdev->dev;
info->irq = irq;
- info->idev = input_allocate_device();
+ info->idev = devm_input_allocate_device(&pdev->dev);
if (!info->idev) {
dev_err(chip->dev, "Failed to allocate input dev\n");
- ret = -ENOMEM;
- goto out;
+ return -ENOMEM;
}
info->idev->name = "88pm860x_on";
@@ -93,42 +94,22 @@ static int pm860x_onkey_probe(struct platform_device *pdev)
ret = input_register_device(info->idev);
if (ret) {
dev_err(chip->dev, "Can't register input device: %d\n", ret);
- goto out_reg;
+ return ret;
}
- ret = request_threaded_irq(info->irq, NULL, pm860x_onkey_handler,
- IRQF_ONESHOT, "onkey", info);
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ pm860x_onkey_handler, IRQF_ONESHOT,
+ "onkey", info);
if (ret < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
info->irq, ret);
- goto out_irq;
+ return ret;
}
platform_set_drvdata(pdev, info);
device_init_wakeup(&pdev->dev, 1);
return 0;
-
-out_irq:
- input_unregister_device(info->idev);
- kfree(info);
- return ret;
-
-out_reg:
- input_free_device(info->idev);
-out:
- kfree(info);
- return ret;
-}
-
-static int pm860x_onkey_remove(struct platform_device *pdev)
-{
- struct pm860x_onkey_info *info = platform_get_drvdata(pdev);
-
- free_irq(info->irq, info);
- input_unregister_device(info->idev);
- kfree(info);
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -161,7 +142,6 @@ static struct platform_driver pm860x_onkey_driver = {
.pm = &pm860x_onkey_pm_ops,
},
.probe = pm860x_onkey_probe,
- .remove = pm860x_onkey_remove,
};
module_platform_driver(pm860x_onkey_driver);