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twl4030_charger: use devres for power_supply_register and kzalloc. 

Final allocations/registrations are now managed by devres.

Signed-off-by: NeilBrown <neilb@suse.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
NeilBrown 2015-03-23 10:20:28 +11:00 committed by Sebastian Reichel
parent 1b7cac2341
commit 325b50aa5d
1 changed files with 11 additions and 25 deletions
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36
drivers/power/twl4030_charger.c
View File

@ -581,7 +581,7 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
int ret;
u32 reg;
bci = kzalloc(sizeof(*bci), GFP_KERNEL);
bci = devm_kzalloc(&pdev->dev, sizeof(*bci), GFP_KERNEL);
if (bci == NULL)
return -ENOMEM;
@ -596,27 +596,27 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
ret = twl4030_is_battery_present(bci);
if (ret) {
dev_crit(&pdev->dev, "Battery was not detected:%d\n", ret);
goto fail_no_battery;
return ret;
}
platform_set_drvdata(pdev, bci);
bci->ac = power_supply_register(&pdev->dev, &twl4030_bci_ac_desc,
NULL);
bci->ac = devm_power_supply_register(&pdev->dev, &twl4030_bci_ac_desc,
NULL);
if (IS_ERR(bci->ac)) {
ret = PTR_ERR(bci->ac);
dev_err(&pdev->dev, "failed to register ac: %d\n", ret);
goto fail_register_ac;
return ret;
}
bci->usb_reg = regulator_get(bci->dev, "bci3v1");
bci->usb = power_supply_register(&pdev->dev, &twl4030_bci_usb_desc,
NULL);
bci->usb = devm_power_supply_register(&pdev->dev, &twl4030_bci_usb_desc,
NULL);
if (IS_ERR(bci->usb)) {
ret = PTR_ERR(bci->usb);
dev_err(&pdev->dev, "failed to register usb: %d\n", ret);
goto fail_register_usb;
return ret;
}
ret = devm_request_threaded_irq(&pdev->dev, bci->irq_chg, NULL,
@ -625,7 +625,7 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n",
bci->irq_chg, ret);
goto fail;
return ret;
}
ret = devm_request_threaded_irq(&pdev->dev, bci->irq_bci, NULL,
@ -633,7 +633,7 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n",
bci->irq_bci, ret);
goto fail;
return ret;
}
INIT_WORK(&bci->work, twl4030_bci_usb_work);
@ -656,7 +656,7 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
TWL4030_INTERRUPTS_BCIIMR1A);
if (ret < 0) {
dev_err(&pdev->dev, "failed to unmask interrupts: %d\n", ret);
goto fail;
return ret;
}
reg = ~(u32)(TWL4030_VBATOV | TWL4030_VBUSOV | TWL4030_ACCHGOV);
@ -674,16 +674,6 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
twl4030_charger_enable_backup(0, 0);
return 0;
fail:
power_supply_unregister(bci->usb);
fail_register_usb:
power_supply_unregister(bci->ac);
fail_register_ac:
fail_no_battery:
kfree(bci);
return ret;
}
static int __exit twl4030_bci_remove(struct platform_device *pdev)
@ -700,10 +690,6 @@ static int __exit twl4030_bci_remove(struct platform_device *pdev)
twl_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff,
TWL4030_INTERRUPTS_BCIIMR2A);
power_supply_unregister(bci->usb);
power_supply_unregister(bci->ac);
kfree(bci);
return 0;
}