diff options
| author | Pramod Gurav <pramod.gurav@smartplayin.com> | 2014-07-31 09:13:58 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-07-31 22:58:47 +0400 |
| commit | 4b080e3b2fda181817059dde10622e7cb4f85b02 (patch) | |
| tree | 05a149578fffeeb96e2b9842b8446a2afc4146f0 /drivers/input | |
| parent | f3f33c6776997db9d377ff3f1b759869f988d25e (diff) | |
| download | linux-4b080e3b2fda181817059dde10622e7cb4f85b02.tar.xz | |
Input: jornada720_ts - switch to using managed resources
This switches the driver to using managed resources to simplify error
handling and to do away with remove function.
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/touchscreen/jornada720_ts.c | 45 |
1 files changed, 13 insertions, 32 deletions
diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c index 7324c5c0fb86..62af48bbcc27 100644 --- a/drivers/input/touchscreen/jornada720_ts.c +++ b/drivers/input/touchscreen/jornada720_ts.c @@ -104,13 +104,13 @@ static int jornada720_ts_probe(struct platform_device *pdev) struct input_dev *input_dev; int error; - jornada_ts = kzalloc(sizeof(struct jornada_ts), GFP_KERNEL); - input_dev = input_allocate_device(); + jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL); + if (!jornada_ts) + return -ENOMEM; - if (!jornada_ts || !input_dev) { - error = -ENOMEM; - goto fail1; - } + input_dev = devm_input_allocate_device(&pdev->dev); + if (!input_dev) + return -ENOMEM; platform_set_drvdata(pdev, jornada_ts); @@ -126,36 +126,18 @@ static int jornada720_ts_probe(struct platform_device *pdev) input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0); input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0); - error = request_irq(IRQ_GPIO9, - jornada720_ts_interrupt, - IRQF_TRIGGER_RISING, - "HP7XX Touchscreen driver", pdev); + error = devm_request_irq(&pdev->dev, IRQ_GPIO9, + jornada720_ts_interrupt, + IRQF_TRIGGER_RISING, + "HP7XX Touchscreen driver", pdev); if (error) { - printk(KERN_INFO "HP7XX TS : Unable to acquire irq!\n"); - goto fail1; + dev_err(&pdev->dev, "HP7XX TS : Unable to acquire irq!\n"); + return error; } error = input_register_device(jornada_ts->dev); if (error) - goto fail2; - - return 0; - - fail2: - free_irq(IRQ_GPIO9, pdev); - fail1: - input_free_device(input_dev); - kfree(jornada_ts); - return error; -} - -static int jornada720_ts_remove(struct platform_device *pdev) -{ - struct jornada_ts *jornada_ts = platform_get_drvdata(pdev); - - free_irq(IRQ_GPIO9, pdev); - input_unregister_device(jornada_ts->dev); - kfree(jornada_ts); + return error; return 0; } @@ -165,7 +147,6 @@ MODULE_ALIAS("platform:jornada_ts"); static struct platform_driver jornada720_ts_driver = { .probe = jornada720_ts_probe, - .remove = jornada720_ts_remove, .driver = { .name = "jornada_ts", .owner = THIS_MODULE, |