From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH v3 1/7] Input: pixcir_i2c_ts: Use devres managed resource allocations Date: Wed, 30 Apr 2014 15:36:26 +0300 Message-ID: <1398861392-8959-2-git-send-email-rogerq@ti.com> References: <1398861392-8959-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1398861392-8959-1-git-send-email-rogerq@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: dmitry.torokhov@gmail.com Cc: rydberg@euromail.se, balbi@ti.com, dmurphy@ti.com, mugunthanvnm@ti.com, nsekhar@ti.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Roger Quadros List-Id: devicetree@vger.kernel.org Use devm_() and friends for allocating memory, input device and IRQ. Signed-off-by: Roger Quadros Acked-by: Mugunthan V N --- drivers/input/touchscreen/pixcir_i2c_ts.c | 36 +++++++++++++------------------ 1 file changed, 15 insertions(+), 21 deletions(-) diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 02392d2..45bc2d1 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -130,6 +130,7 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, { const struct pixcir_ts_platform_data *pdata = dev_get_platdata(&client->dev); + struct device *dev = &client->dev; struct pixcir_i2c_ts_data *tsdata; struct input_dev *input; int error; @@ -139,12 +140,14 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, return -EINVAL; } - tsdata = kzalloc(sizeof(*tsdata), GFP_KERNEL); - input = input_allocate_device(); - if (!tsdata || !input) { - dev_err(&client->dev, "Failed to allocate driver data!\n"); - error = -ENOMEM; - goto err_free_mem; + tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL); + if (!tsdata) + return -ENOMEM; + + input = devm_input_allocate_device(dev); + if (!input) { + dev_err(&client->dev, "Failed to allocate input device\n"); + return -ENOMEM; } tsdata->client = client; @@ -165,29 +168,22 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, input_set_drvdata(input, tsdata); - error = request_threaded_irq(client->irq, NULL, pixcir_ts_isr, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - client->name, tsdata); + error = devm_request_threaded_irq(dev, client->irq, NULL, pixcir_ts_isr, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + client->name, tsdata); if (error) { - dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); - goto err_free_mem; + dev_err(dev, "failed to request irq %d\n", client->irq); + return error; } error = input_register_device(input); if (error) - goto err_free_irq; + return error; i2c_set_clientdata(client, tsdata); device_init_wakeup(&client->dev, 1); return 0; - -err_free_irq: - free_irq(client->irq, tsdata); -err_free_mem: - input_free_device(input); - kfree(tsdata); - return error; } static int pixcir_i2c_ts_remove(struct i2c_client *client) @@ -198,10 +194,8 @@ static int pixcir_i2c_ts_remove(struct i2c_client *client) tsdata->exiting = true; mb(); - free_irq(client->irq, tsdata); input_unregister_device(tsdata->input); - kfree(tsdata); return 0; } -- 1.8.3.2