diff options
author | Roger Quadros <rogerq@ti.com> | 2014-05-18 22:43:42 -0700 |
---|---|---|
committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-05-18 23:25:56 -0700 |
commit | e9d4718dcd53281c191cb5fccb53ce0246e10104 (patch) | |
tree | ab1967f73add4d926c91583905eea5cbb44019af /drivers/input/touchscreen/pixcir_i2c_ts.c | |
parent | 19318de1daf25aa1ca4fe76e1d7ac834f1bfb0c4 (diff) | |
download | linux-e9d4718dcd53281c191cb5fccb53ce0246e10104.tar.bz2 |
Input: pixcir_i2c_ts - use devres managed resource allocations
Use devm_() and friends for allocating memory, input device
and IRQ.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen/pixcir_i2c_ts.c')
-rw-r--r-- | drivers/input/touchscreen/pixcir_i2c_ts.c | 38 |
1 files changed, 15 insertions, 23 deletions
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 02392d2061d6..5d36243bdc79 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(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 +194,6 @@ 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; } |