diff options
| author | Himangi Saraogi <himangi774@gmail.com> | 2014-05-25 22:30:19 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-05-28 23:49:11 -0700 |
| commit | 50525cb3bf9dc7fe4cb8d4cd9b9e389257eaa8ee (patch) | |
| tree | ca561560cb9a6a43887f98750700b1b87fd38d75 /drivers/input | |
| parent | ec62c7a8f8ebb81a07ac68a5126ad74dca113b09 (diff) | |
Input: jornada680_kbd - switch top using managed resources
Let's switch the driver to use managed resources, this will simplify
error handling and driver unbinding logic.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/jornada680_kbd.c | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/input/keyboard/jornada680_kbd.c b/drivers/input/keyboard/jornada680_kbd.c index 69b1f002ff52..0ba4428da24a 100644 --- a/drivers/input/keyboard/jornada680_kbd.c +++ b/drivers/input/keyboard/jornada680_kbd.c @@ -16,6 +16,7 @@ * published by the Free Software Foundation. */ +#include <linux/device.h> #include <linux/input.h> #include <linux/input-polldev.h> #include <linux/interrupt.h> @@ -185,14 +186,15 @@ static int jornada680kbd_probe(struct platform_device *pdev) struct input_dev *input_dev; int i, error; - jornadakbd = kzalloc(sizeof(struct jornadakbd), GFP_KERNEL); + jornadakbd = devm_kzalloc(&pdev->dev, sizeof(struct jornadakbd), + GFP_KERNEL); if (!jornadakbd) return -ENOMEM; - poll_dev = input_allocate_polled_device(); + poll_dev = devm_input_allocate_polled_device(&pdev->dev); if (!poll_dev) { - error = -ENOMEM; - goto failed; + dev_err(&pdev->dev, "failed to allocate polled input device\n"); + return -ENOMEM; } platform_set_drvdata(pdev, jornadakbd); @@ -224,27 +226,10 @@ static int jornada680kbd_probe(struct platform_device *pdev) input_set_capability(input_dev, EV_MSC, MSC_SCAN); error = input_register_polled_device(jornadakbd->poll_dev); - if (error) - goto failed; - - return 0; - - failed: - printk(KERN_ERR "Jornadakbd: failed to register driver, error: %d\n", - error); - input_free_polled_device(poll_dev); - kfree(jornadakbd); - return error; - -} - -static int jornada680kbd_remove(struct platform_device *pdev) -{ - struct jornadakbd *jornadakbd = platform_get_drvdata(pdev); - - input_unregister_polled_device(jornadakbd->poll_dev); - input_free_polled_device(jornadakbd->poll_dev); - kfree(jornadakbd); + if (error) { + dev_err(&pdev->dev, "failed to register polled input device\n"); + return error; + } return 0; } @@ -255,7 +240,6 @@ static struct platform_driver jornada680kbd_driver = { .owner = THIS_MODULE, }, .probe = jornada680kbd_probe, - .remove = jornada680kbd_remove, }; module_platform_driver(jornada680kbd_driver); |