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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: linux-input@vger.kernel.org
Cc: "Jonathan Bakker" <xc-racer2@live.ca>,
	"Paweł Chmiel" <pawel.mikolaj.chmiel@gmail.com>,
	"Allison Randal" <allison@lohutok.net>,
	linux-kernel@vger.kernel.org
Subject: [PATCH 19/22] Input: bma150 - use managed resources helpers
Date: Thu, 17 Oct 2019 13:42:13 -0700	[thread overview]
Message-ID: <20191017204217.106453-20-dmitry.torokhov@gmail.com> (raw)
In-Reply-To: <20191017204217.106453-1-dmitry.torokhov@gmail.com>

From: Jonathan Bakker <xc-racer2@live.ca>

The driver can be cleaned up by using managed resource helpers.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Patchwork-Id: 10794333
[dtor: do not explicitly set parent of input device since we are using devm]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

 drivers/input/misc/bma150.c | 51 ++++++++++---------------------------
 1 file changed, 14 insertions(+), 37 deletions(-)

diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index 735d3a46f44b..d65b008a3c7a 100644
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -439,13 +439,11 @@ static int bma150_initialize(struct bma150_data *bma150,
 	return bma150_set_mode(bma150, BMA150_MODE_SLEEP);
 }
 
-static void bma150_init_input_device(struct bma150_data *bma150,
-						struct input_dev *idev)
+static void bma150_init_input_device(struct input_dev *idev)
 {
 	idev->name = BMA150_DRIVER;
 	idev->phys = BMA150_DRIVER "/input0";
 	idev->id.bustype = BUS_I2C;
-	idev->dev.parent = &bma150->client->dev;
 
 	idev->evbit[0] = BIT_MASK(EV_ABS);
 	input_set_abs_params(idev, ABS_X, ABSMIN_ACC_VAL, ABSMAX_ACC_VAL, 0, 0);
@@ -458,11 +456,11 @@ 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;
 
-	bma150_init_input_device(bma150, idev);
+	bma150_init_input_device(idev);
 
 	idev->open = bma150_irq_open;
 	idev->close = bma150_irq_close;
@@ -471,10 +469,8 @@ static int bma150_register_input_device(struct bma150_data *bma150)
 	bma150->input = idev;
 
 	error = input_register_device(idev);
-	if (error) {
-		input_free_device(idev);
+	if (error)
 		return error;
-	}
 
 	return 0;
 }
@@ -484,7 +480,7 @@ 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;
 
@@ -496,16 +492,14 @@ static int bma150_register_polled_device(struct bma150_data *bma150)
 	ipoll_dev->poll_interval_min = BMA150_POLL_MIN;
 	ipoll_dev->poll_interval_max = BMA150_POLL_MAX;
 
-	bma150_init_input_device(bma150, ipoll_dev->input);
+	bma150_init_input_device(ipoll_dev->input);
 
 	bma150->input_polled = ipoll_dev;
 	bma150->input = ipoll_dev->input;
 
 	error = input_register_polled_device(ipoll_dev);
-	if (error) {
-		input_free_polled_device(ipoll_dev);
+	if (error)
 		return error;
-	}
 
 	return 0;
 }
@@ -531,7 +525,7 @@ static int bma150_probe(struct i2c_client *client,
 		return -EINVAL;
 	}
 
-	bma150 = kzalloc(sizeof(struct bma150_data), GFP_KERNEL);
+	bma150 = devm_kzalloc(&client->dev, sizeof(*bma150), GFP_KERNEL);
 	if (!bma150)
 		return -ENOMEM;
 
@@ -544,7 +538,7 @@ 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;
@@ -554,14 +548,14 @@ 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);
@@ -569,13 +563,12 @@ static int bma150_probe(struct i2c_client *client,
 			dev_err(&client->dev,
 				"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);
@@ -583,28 +576,12 @@ 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)
 {
-	struct bma150_data *bma150 = i2c_get_clientdata(client);
-
 	pm_runtime_disable(&client->dev);
 
-	if (client->irq > 0) {
-		free_irq(client->irq, bma150);
-		input_unregister_device(bma150->input);
-	} else {
-		input_unregister_polled_device(bma150->input_polled);
-		input_free_polled_device(bma150->input_polled);
-	}
-
-	kfree(bma150);
-
 	return 0;
 }
 
-- 
2.23.0.866.gb869b98d4c-goog


  parent reply	other threads:[~2019-10-17 20:43 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 20:41 [PATCH 00/22] Stop using input_polled_dev in polling drivers Dmitry Torokhov
2019-10-17 20:41 ` Dmitry Torokhov
2019-10-17 20:41 ` [PATCH 01/22] Input: raspberrypi-ts - switch to using polled mode of input devices Dmitry Torokhov
2019-10-17 20:41 ` [PATCH 02/22] Input: sur40 " Dmitry Torokhov
2019-10-17 20:41 ` [PATCH 03/22] Input: ts4800-ts " Dmitry Torokhov
2019-10-17 20:41 ` [PATCH 04/22] Input: tsc6507x-ts " Dmitry Torokhov
2019-10-17 20:41 ` [PATCH 05/22] Input: adc-keys " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 06/22] Input: clps711x-keypad " Dmitry Torokhov
2019-10-17 20:42   ` Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 07/22] Input: jornada680_kbd " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 08/22] Input: gpio_keys_polled " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 09/22] Input: apanel " Dmitry Torokhov
2019-10-21 20:05   ` Sven Van Asbroeck
2019-10-21 21:27     ` Dmitry Torokhov
2019-10-22 13:21       ` Sven Van Asbroeck
2019-10-17 20:42 ` [PATCH 10/22] Input: wistron_btns " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 11/22] Input: cobalt_btns - convert to use managed resources Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 12/22] Input: cobalt_btns - switch to using polled mode of input devices Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 13/22] Input: sgi_btns - switch to using managed resources Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 14/22] Input: sgi_btns - switch to using polled mode of input devices Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 15/22] Input: rb532_button - switch to using managed resources Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 16/22] Input: rb532_button - switch to using polled mode of input devices Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 17/22] Input: gpio_decoder " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 18/22] Input: mma8450 " Dmitry Torokhov
2019-10-17 20:42 ` Dmitry Torokhov [this message]
2019-10-17 20:42 ` [PATCH 20/22] Input: bma150 " Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 21/22] Input: kxtj9 - switch to using managed resources Dmitry Torokhov
2019-10-17 20:42 ` [PATCH 22/22] Input: kxtj9 - switch to using polled mode of input devices Dmitry Torokhov
2019-10-18  8:44 ` [PATCH 00/22] Stop using input_polled_dev in polling drivers Andy Shevchenko
2019-10-18  8:44   ` Andy Shevchenko
2019-10-21  8:03   ` Marco Felsch
2019-10-21  8:03     ` Marco Felsch

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