[PATCH v6 1/4] power: supply: twl4030-charger: allocate iio by devm_iio_channel_get() and fix error path

From: H. Nikolaus Schaller
Date: Wed Jun 14 2017 - 05:26:27 EST


Suggested-by: Sebastian Reichel <sre@xxxxxxxxxx>
Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
---
drivers/power/supply/twl4030_charger.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c
index 785a07bc4f39..9507c24495ba 100644
--- a/drivers/power/supply/twl4030_charger.c
+++ b/drivers/power/supply/twl4030_charger.c
@@ -1017,7 +1017,7 @@ static int twl4030_bci_probe(struct platform_device *pdev)
return ret;
}

- bci->channel_vac = iio_channel_get(&pdev->dev, "vac");
+ bci->channel_vac = devm_iio_channel_get(&pdev->dev, "vac");
if (IS_ERR(bci->channel_vac)) {
bci->channel_vac = NULL;
dev_warn(&pdev->dev, "could not request vac iio channel");
@@ -1044,7 +1044,7 @@ static int 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);
@@ -1073,10 +1073,6 @@ static int twl4030_bci_probe(struct platform_device *pdev)
twl4030_charger_enable_backup(0, 0);

return 0;
-fail:
- iio_channel_release(bci->channel_vac);
-
- return ret;
}

static int twl4030_bci_remove(struct platform_device *pdev)
@@ -1087,8 +1083,6 @@ static int twl4030_bci_remove(struct platform_device *pdev)
twl4030_charger_enable_usb(bci, false);
twl4030_charger_enable_backup(0, 0);

- iio_channel_release(bci->channel_vac);
-
device_remove_file(&bci->usb->dev, &dev_attr_mode);
device_remove_file(&bci->ac->dev, &dev_attr_mode);
/* mask interrupts */
--
2.12.2