diff options
| author | Stephen Boyd <sboyd@codeaurora.org> | 2013-12-15 03:43:06 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-15 03:58:31 -0800 |
| commit | 12a5a8fdfbab14427df0eb6e6c05559444ee2c73 (patch) | |
| tree | 421b3a82a1c8b75043ec4ac1f8638738eb4841c3 /drivers/input | |
| parent | 9222d8069d3812400b346ebd5fea47b8b88c7cbf (diff) | |
Input: pm8xxx-vibrator - switch to using managed resources
Simplify the error paths and reduce the lines of code in this
driver by using the devm_* APIs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/misc/pm8xxx-vibrator.c | 43 |
1 files changed, 12 insertions, 31 deletions
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c index ec086f6f3cc3..50be8abb7d0c 100644 --- a/drivers/input/misc/pm8xxx-vibrator.c +++ b/drivers/input/misc/pm8xxx-vibrator.c @@ -186,13 +186,13 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) int error; u8 val; - vib = kzalloc(sizeof(*vib), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!vib || !input_dev) { - dev_err(&pdev->dev, "couldn't allocate memory\n"); - error = -ENOMEM; - goto err_free_mem; - } + vib = devm_kzalloc(&pdev->dev, sizeof(*vib), GFP_KERNEL); + if (!vib) + return -ENOMEM; + + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) + return -ENOMEM; INIT_WORK(&vib->work, pm8xxx_work_handler); vib->dev = &pdev->dev; @@ -201,17 +201,17 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) /* operate in manual mode */ error = pm8xxx_vib_read_u8(vib, &val, VIB_DRV); if (error < 0) - goto err_free_mem; + return error; + val &= ~VIB_DRV_EN_MANUAL_MASK; error = pm8xxx_vib_write_u8(vib, val, VIB_DRV); if (error < 0) - goto err_free_mem; + return error; vib->reg_vib_drv = val; input_dev->name = "pm8xxx_vib_ffmemless"; input_dev->id.version = 1; - input_dev->dev.parent = &pdev->dev; input_dev->close = pm8xxx_vib_close; input_set_drvdata(input_dev, vib); input_set_capability(vib->vib_input_dev, EV_FF, FF_RUMBLE); @@ -221,35 +221,17 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) if (error) { dev_err(&pdev->dev, "couldn't register vibrator as FF device\n"); - goto err_free_mem; + return error; } error = input_register_device(input_dev); if (error) { dev_err(&pdev->dev, "couldn't register input device\n"); - goto err_destroy_memless; + return error; } platform_set_drvdata(pdev, vib); return 0; - -err_destroy_memless: - input_ff_destroy(input_dev); -err_free_mem: - input_free_device(input_dev); - kfree(vib); - - return error; -} - -static int pm8xxx_vib_remove(struct platform_device *pdev) -{ - struct pm8xxx_vib *vib = platform_get_drvdata(pdev); - - input_unregister_device(vib->vib_input_dev); - kfree(vib); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -268,7 +250,6 @@ static SIMPLE_DEV_PM_OPS(pm8xxx_vib_pm_ops, pm8xxx_vib_suspend, NULL); static struct platform_driver pm8xxx_vib_driver = { .probe = pm8xxx_vib_probe, - .remove = pm8xxx_vib_remove, .driver = { .name = "pm8xxx-vib", .owner = THIS_MODULE, |