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Message-Id: <20190125184400.17669-2-pawel.mikolaj.chmiel@gmail.com>
Date: Fri, 25 Jan 2019 19:43:58 +0100
From: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To: dmitry.torokhov@...il.com
Cc: robh+dt@...nel.org, mark.rutland@....com,
pawel.mikolaj.chmiel@...il.com, xc-racer2@...e.ca,
devicetree@...r.kernel.org, linux-input@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] input: misc: bma150: Use managed resources helpers
From: Jonathan Bakker <xc-racer2@...e.ca>
The driver can be cleaned up by using managed resource helpers
Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
---
drivers/input/misc/bma150.c | 40 +++++++++++++------------------------
1 file changed, 14 insertions(+), 26 deletions(-)
diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index 1efcfdf9f8a8..d101bb0a33d6 100644
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -471,7 +471,7 @@ static int bma150_register_input_device(struct bma150_data *bma150)
struct input_dev *idev;
int error;
- idev = input_allocate_device();
+ idev = devm_input_allocate_device(&bma150->client->dev);
if (!idev)
return -ENOMEM;
@@ -482,10 +482,8 @@ static int bma150_register_input_device(struct bma150_data *bma150)
input_set_drvdata(idev, bma150);
error = input_register_device(idev);
- if (error) {
- input_free_device(idev);
+ if (error)
return error;
- }
bma150->input = idev;
return 0;
@@ -496,7 +494,7 @@ static int bma150_register_polled_device(struct bma150_data *bma150)
struct input_polled_dev *ipoll_dev;
int error;
- ipoll_dev = input_allocate_polled_device();
+ ipoll_dev = devm_input_allocate_polled_device(&bma150->client->dev);
if (!ipoll_dev)
return -ENOMEM;
@@ -511,10 +509,8 @@ static int bma150_register_polled_device(struct bma150_data *bma150)
bma150_init_input_device(bma150, ipoll_dev->input);
error = input_register_polled_device(ipoll_dev);
- if (error) {
- input_free_polled_device(ipoll_dev);
+ if (error)
return error;
- }
bma150->input_polled = ipoll_dev;
bma150->input = ipoll_dev->input;
@@ -543,7 +539,8 @@ static int bma150_probe(struct i2c_client *client,
return -EINVAL;
}
- bma150 = kzalloc(sizeof(struct bma150_data), GFP_KERNEL);
+ bma150 = devm_kzalloc(&client->dev, sizeof(struct bma150_data),
+ GFP_KERNEL);
if (!bma150)
return -ENOMEM;
@@ -556,7 +553,7 @@ static int bma150_probe(struct i2c_client *client,
dev_err(&client->dev,
"IRQ GPIO conf. error %d, error %d\n",
client->irq, error);
- goto err_free_mem;
+ return error;
}
}
cfg = &pdata->cfg;
@@ -566,14 +563,14 @@ static int bma150_probe(struct i2c_client *client,
error = bma150_initialize(bma150, cfg);
if (error)
- goto err_free_mem;
+ return error;
if (client->irq > 0) {
error = bma150_register_input_device(bma150);
if (error)
- goto err_free_mem;
+ return error;
- error = request_threaded_irq(client->irq,
+ error = devm_request_threaded_irq(&client->dev, client->irq,
NULL, bma150_irq_thread,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
BMA150_DRIVER, bma150);
@@ -582,12 +579,12 @@ static int bma150_probe(struct i2c_client *client,
"irq request failed %d, error %d\n",
client->irq, error);
input_unregister_device(bma150->input);
- goto err_free_mem;
+ return error;
}
} else {
error = bma150_register_polled_device(bma150);
if (error)
- goto err_free_mem;
+ return error;
}
i2c_set_clientdata(client, bma150);
@@ -595,10 +592,6 @@ static int bma150_probe(struct i2c_client *client,
pm_runtime_enable(&client->dev);
return 0;
-
-err_free_mem:
- kfree(bma150);
- return error;
}
static int bma150_remove(struct i2c_client *client)
@@ -607,15 +600,10 @@ static int bma150_remove(struct i2c_client *client)
pm_runtime_disable(&client->dev);
- if (client->irq > 0) {
- free_irq(client->irq, bma150);
+ if (client->irq > 0)
input_unregister_device(bma150->input);
- } else {
+ else
input_unregister_polled_device(bma150->input_polled);
- input_free_polled_device(bma150->input_polled);
- }
-
- kfree(bma150);
return 0;
}
--
2.17.1
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