Re: [PATCH 2/2] iio: ti_am335x_adc: Add continuous sampling support

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* Zubair Lutfullah | 2013-08-25 23:45:24 [+0100]:

>diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
>index a952538..ae2202b 100644
>--- a/drivers/iio/adc/ti_am335x_adc.c
>+++ b/drivers/iio/adc/ti_am335x_adc.c
>@@ -231,28 +406,56 @@ static int tiadc_probe(struct platform_device *pdev)
…
>+err_free_device:
>+	iio_device_free(indio_dev);

I am not sure about this one.

>+err_ret:
> 	return err;
> }
> 
>@@ -262,11 +465,14 @@ static int tiadc_remove(struct platform_device *pdev)
> 	struct tiadc_device *adc_dev = iio_priv(indio_dev);
> 	u32 step_en;
> 
>+	free_irq(adc_dev->irq, indio_dev);
> 	iio_device_unregister(indio_dev);
>+	iio_buffer_unregister(indio_dev);
> 	tiadc_channels_remove(indio_dev);
> 
> 	step_en = get_adc_step_mask(adc_dev);
> 	am335x_tsc_se_clr(adc_dev->mfd_tscadc, step_en);
>+	iio_device_free(indio_dev);

But this one is wrong. The will be removed via dev_res() and if you do
it here as well then dev_res() will decrement the reference of an unused
object.

> 
> 	return 0;
> }

Sebastian
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