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| From | Jonathan Cameron <jic23@kernel.org> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/3] iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()' |
| Date | Sun, 24 Sep 2017 14:10:01 +0200 |
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On Sat, 23 Sep 2017 08:06:19 +0200
Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote:
> Commit 7cc97d77ee8a has introduced a call to 'regulator_disable()' in the
> .remove function.
> So we should also have such a call in the .probe function in case of
> error after a successful 'regulator_enable()' call.
>
> Add a new label for that and use it.
>
> Fixes: 7cc97d77ee8a ("iio: adc: twl4030: Fix ADC[3:6] readings")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Applied to the fixes-togreg-post-rc1 branch of iio.git and marked
for stable.
Thanks,
Jonathan
> ---
> drivers/iio/adc/twl4030-madc.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
> index 80ab2ed70b85..32db23d9a483 100644
> --- a/drivers/iio/adc/twl4030-madc.c
> +++ b/drivers/iio/adc/twl4030-madc.c
> @@ -899,11 +899,13 @@ static int twl4030_madc_probe(struct platform_device *pdev)
> ret = iio_device_register(iio_dev);
> if (ret) {
> dev_err(&pdev->dev, "could not register iio device\n");
> - goto err_i2c;
> + goto err_usb3v1;
> }
>
> return 0;
>
> +err_usb3v1:
> + regulator_disable(madc->usb3v1);
> err_i2c:
> twl4030_madc_set_current_generator(madc, 0, 0);
> err_current_generator:
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[PATCH 1/3] iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()' Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-09-23 08:10 +0200
[PATCH 2/3] iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()' Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-09-23 08:10 +0200
Re: [PATCH 2/3] iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()' Jonathan Cameron <jic23@kernel.org> - 2017-09-24 14:10 +0200
[PATCH 3/3] iio: adc: twl4030: Return an error if we can not enable the vusb3v1 regulator in 'twl4030_madc_probe()' Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-09-23 08:10 +0200
Re: [PATCH 3/3] iio: adc: twl4030: Return an error if we can not enable the vusb3v1 regulator in 'twl4030_madc_probe()' Jonathan Cameron <jic23@kernel.org> - 2017-09-24 14:10 +0200
Re: [PATCH 1/3] iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()' Jonathan Cameron <jic23@kernel.org> - 2017-09-24 14:00 +0200
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