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Subject[PATCH 02/15] twl4030_charger: use devm_request_threaded_irq
This simplifies the error paths.

Signed-off-by: NeilBrown <neilb@suse.de>
---
drivers/power/twl4030_charger.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/power/twl4030_charger.c b/drivers/power/twl4030_charger.c
index 4cf5ffbc904a..300dd7a34e80 100644
--- a/drivers/power/twl4030_charger.c
+++ b/drivers/power/twl4030_charger.c
@@ -610,21 +610,21 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
goto fail_register_usb;
}

- ret = request_threaded_irq(bci->irq_chg, NULL,
+ ret = devm_request_threaded_irq(&pdev->dev, bci->irq_chg, NULL,
twl4030_charger_interrupt, IRQF_ONESHOT, pdev->name,
bci);
if (ret < 0) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n",
bci->irq_chg, ret);
- goto fail_chg_irq;
+ goto fail;
}

- ret = request_threaded_irq(bci->irq_bci, NULL,
+ ret = devm_request_threaded_irq(&pdev->dev, bci->irq_bci, NULL,
twl4030_bci_interrupt, IRQF_ONESHOT, pdev->name, bci);
if (ret < 0) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n",
bci->irq_bci, ret);
- goto fail_bci_irq;
+ goto fail;
}

INIT_WORK(&bci->work, twl4030_bci_usb_work);
@@ -647,7 +647,7 @@ 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_unmask_interrupts;
+ goto fail;
}

reg = ~(u32)(TWL4030_VBATOV | TWL4030_VBUSOV | TWL4030_ACCHGOV);
@@ -666,11 +666,7 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)

return 0;

-fail_unmask_interrupts:
- free_irq(bci->irq_bci, bci);
-fail_bci_irq:
- free_irq(bci->irq_chg, bci);
-fail_chg_irq:
+fail:
power_supply_unregister(&bci->usb);
fail_register_usb:
power_supply_unregister(&bci->ac);
@@ -695,8 +691,6 @@ static int __exit twl4030_bci_remove(struct platform_device *pdev)
twl_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff,
TWL4030_INTERRUPTS_BCIIMR2A);

- free_irq(bci->irq_bci, bci);
- free_irq(bci->irq_chg, bci);
power_supply_unregister(&bci->usb);
power_supply_unregister(&bci->ac);
kfree(bci);



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