Use managed irq resource to simplify the driver.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
drivers/input/misc/twl4030-pwrbutton.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index 3efbb13..91bb497 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -58,7 +58,7 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
int irq = platform_get_irq(pdev, 0);
int err;
- pwr = input_allocate_device();
+ pwr = devm_input_allocate_device(&pdev->dev);
if (!pwr) {
dev_err(&pdev->dev, "Can't allocate power button\n");
return -ENOMEM;
@@ -70,37 +70,29 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
pwr->phys = "twl4030_pwrbutton/input0";
pwr->dev.parent = &pdev->dev;
- err = request_threaded_irq(irq, NULL, powerbutton_irq,
+ err = devm_request_threaded_irq(&pwr->dev, irq, NULL, powerbutton_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl4030_pwrbutton", pwr);
if (err < 0) {
dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
- goto free_input_dev;
+ return err;
}
err = input_register_device(pwr);
if (err) {
dev_err(&pdev->dev, "Can't register power button: %d\n", err);
- goto free_irq;
+ return err;
}
platform_set_drvdata(pdev, pwr);
return 0;
-
-free_irq:
- free_irq(irq, pwr);
-free_input_dev:
- input_free_device(pwr);
- return err;
}
static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev)
{
struct input_dev *pwr = platform_get_drvdata(pdev);
- int irq = platform_get_irq(pdev, 0);
- free_irq(irq, pwr);
input_unregister_device(pwr);
return 0;
--
1.8.4.rc3
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