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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-07-06 19:32:27 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-07-24 02:34:06 +0200
commite75ed3c47a2082fad87dd6d726ff7275d35e197c (patch)
treefb9460374547b07d8ba314cc0de9e90f3f386342 /drivers/input
parentInput: cyapa - add ACPI HID CYAP0002 for Gen6 devices (diff)
downloadlinux-e75ed3c47a2082fad87dd6d726ff7275d35e197c.tar.xz
linux-e75ed3c47a2082fad87dd6d726ff7275d35e197c.zip
Input: arizona-haptic - convert to use managed input devices
Using managed input device (via devm_input_allocate_device) simplifies error handling and driver removal paths and also silences CID# 712569. Reviewed-by: Joshua Clayton <stillcompiling@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/misc/arizona-haptics.c26
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index 4dbbed74c9e4..4bf678541496 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -170,8 +170,8 @@ static int arizona_haptics_probe(struct platform_device *pdev)
INIT_WORK(&haptics->work, arizona_haptics_work);
- haptics->input_dev = input_allocate_device();
- if (haptics->input_dev == NULL) {
+ haptics->input_dev = devm_input_allocate_device(&pdev->dev);
+ if (!haptics->input_dev) {
dev_err(arizona->dev, "Failed to allocate input device\n");
return -ENOMEM;
}
@@ -188,41 +188,23 @@ static int arizona_haptics_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(arizona->dev, "input_ff_create_memless() failed: %d\n",
ret);
- goto err_ialloc;
+ return ret;
}
ret = input_register_device(haptics->input_dev);
if (ret < 0) {
dev_err(arizona->dev, "couldn't register input device: %d\n",
ret);
- goto err_iff;
+ return ret;
}
platform_set_drvdata(pdev, haptics);
return 0;
-
-err_iff:
- if (haptics->input_dev)
- input_ff_destroy(haptics->input_dev);
-err_ialloc:
- input_free_device(haptics->input_dev);
-
- return ret;
-}
-
-static int arizona_haptics_remove(struct platform_device *pdev)
-{
- struct arizona_haptics *haptics = platform_get_drvdata(pdev);
-
- input_unregister_device(haptics->input_dev);
-
- return 0;
}
static struct platform_driver arizona_haptics_driver = {
.probe = arizona_haptics_probe,
- .remove = arizona_haptics_remove,
.driver = {
.name = "arizona-haptics",
},