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Subject[PATCH] power: 88pm860x_battery: Add a few more devm_* APIs
Date
Add devm_* APIs for threaded IRQ.

Also since devres managed objects are removed when the device gets
detached, remove explicit freeing of them.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
---
drivers/power/88pm860x_battery.c | 25 ++++++++-----------------
1 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/drivers/power/88pm860x_battery.c b/drivers/power/88pm860x_battery.c
index beed5ecf..a245aa4 100644
--- a/drivers/power/88pm860x_battery.c
+++ b/drivers/power/88pm860x_battery.c
@@ -915,15 +915,13 @@ static __devinit int pm860x_battery_probe(struct platform_device *pdev)
info->irq_cc = platform_get_irq(pdev, 0);
if (info->irq_cc <= 0) {
dev_err(&pdev->dev, "No IRQ resource!\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}

info->irq_batt = platform_get_irq(pdev, 1);
if (info->irq_batt <= 0) {
dev_err(&pdev->dev, "No IRQ resource!\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}

info->chip = chip;
@@ -957,10 +955,10 @@ static __devinit int pm860x_battery_probe(struct platform_device *pdev)

ret = power_supply_register(&pdev->dev, &info->battery);
if (ret)
- goto out;
+ return ret;
info->battery.dev->parent = &pdev->dev;

- ret = request_threaded_irq(info->irq_cc, NULL,
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq_cc, NULL,
pm860x_coulomb_handler, IRQF_ONESHOT,
"coulomb", info);
if (ret < 0) {
@@ -969,23 +967,19 @@ static __devinit int pm860x_battery_probe(struct platform_device *pdev)
goto out_reg;
}

- ret = request_threaded_irq(info->irq_batt, NULL, pm860x_batt_handler,
- IRQF_ONESHOT, "battery", info);
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq_batt, NULL,
+ pm860x_batt_handler, IRQF_ONESHOT,
+ "battery", info);
if (ret < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
info->irq_batt, ret);
- goto out_coulomb;
+ goto out_reg;
}

-
return 0;

-out_coulomb:
- free_irq(info->irq_cc, info);
out_reg:
power_supply_unregister(&info->battery);
-out:
- kfree(info);
return ret;
}

@@ -994,9 +988,6 @@ static int __devexit pm860x_battery_remove(struct platform_device *pdev)
struct pm860x_battery_info *info = platform_get_drvdata(pdev);

power_supply_unregister(&info->battery);
- free_irq(info->irq_batt, info);
- free_irq(info->irq_cc, info);
- kfree(info);
platform_set_drvdata(pdev, NULL);
return 0;
}
--
1.7.4.1


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