Update twl4030-madc driver to use managed resources.
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Tested-by: Marek Belisko <marek@xxxxxxxxxxxxx>
---
drivers/mfd/twl4030-madc.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c
index 4c583e4..5458561 100644
--- a/drivers/mfd/twl4030-madc.c
+++ b/drivers/mfd/twl4030-madc.c
@@ -702,14 +702,14 @@ static int twl4030_madc_probe(struct platform_device *pdev)
{
struct twl4030_madc_data *madc;
struct twl4030_madc_platform_data *pdata = dev_get_platdata(&pdev->dev);
- int ret;
+ int irq, ret;
u8 regval;
if (!pdata) {
dev_err(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
- madc = kzalloc(sizeof(*madc), GFP_KERNEL);
+ madc = devm_kzalloc(&pdev->dev, sizeof(*madc), GFP_KERNEL);
if (!madc)
return -ENOMEM;
@@ -726,7 +726,7 @@ static int twl4030_madc_probe(struct platform_device *pdev)
TWL4030_MADC_ISR1 : TWL4030_MADC_ISR2;
ret = twl4030_madc_set_power(madc, 1);
if (ret < 0)
- goto err_power;
+ return ret;
ret = twl4030_madc_set_current_generator(madc, 0, 1);
if (ret < 0)
goto err_current_generator;
@@ -770,7 +770,9 @@ static int twl4030_madc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, madc);
mutex_init(&madc->lock);
- ret = request_threaded_irq(platform_get_irq(pdev, 0), NULL,
+
+ irq = platform_get_irq(pdev, 0);
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
twl4030_madc_threaded_irq_handler,
IRQF_TRIGGER_RISING, "twl4030_madc", madc);
if (ret) {
@@ -783,9 +785,6 @@ err_i2c:
twl4030_madc_set_current_generator(madc, 0, 0);
err_current_generator:
twl4030_madc_set_power(madc, 0);
-err_power:
- kfree(madc);
-
return ret;
}
@@ -793,10 +792,8 @@ static int twl4030_madc_remove(struct platform_device *pdev)
{
struct twl4030_madc_data *madc = platform_get_drvdata(pdev);
- free_irq(platform_get_irq(pdev, 0), madc);
twl4030_madc_set_current_generator(madc, 0, 0);
twl4030_madc_set_power(madc, 0);
- kfree(madc);
return 0;
}
--
1.9.0
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