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[PATCH] iio: adc: palmas_gpadc: retrieve a valid iio_dev in suspend/resume

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  [PATCH] iio: adc: palmas_gpadc: retrieve a valid iio_dev in  suspend/resume Alison Schofield <amsfield22@gmail.com> - 2017-01-16 20:30 +0100
    Re: [PATCH] iio: adc: palmas_gpadc: retrieve a valid iio_dev in  suspend/resume Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:30 +0100

#1560003 — [PATCH] iio: adc: palmas_gpadc: retrieve a valid iio_dev in suspend/resume

The suspend/resume functions were using dev_to_iio_dev() to get
the iio_dev. That only works on IIO dev's.  Use dev_get_drvdata()
for a platform device to get the correct iio_dev.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
---
 drivers/iio/adc/palmas_gpadc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
index 2bbf0c5..7d61b56 100644
--- a/drivers/iio/adc/palmas_gpadc.c
+++ b/drivers/iio/adc/palmas_gpadc.c
@@ -775,7 +775,7 @@ static int palmas_adc_wakeup_reset(struct palmas_gpadc *adc)
 
 static int palmas_gpadc_suspend(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	struct palmas_gpadc *adc = iio_priv(indio_dev);
 	int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
 	int ret;
@@ -798,7 +798,7 @@ static int palmas_gpadc_suspend(struct device *dev)
 
 static int palmas_gpadc_resume(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
 	struct palmas_gpadc *adc = iio_priv(indio_dev);
 	int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
 	int ret;
-- 
2.1.4

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#1564123

On 16/01/17 19:27, Alison Schofield wrote:
> The suspend/resume functions were using dev_to_iio_dev() to get
> the iio_dev. That only works on IIO dev's.  Use dev_get_drvdata()
> for a platform device to get the correct iio_dev.
> 
> Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Applied to the fixes-togreg branch of iio.git and marked for stable.

Thanks,

Jonathan
> ---
>  drivers/iio/adc/palmas_gpadc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c
> index 2bbf0c5..7d61b56 100644
> --- a/drivers/iio/adc/palmas_gpadc.c
> +++ b/drivers/iio/adc/palmas_gpadc.c
> @@ -775,7 +775,7 @@ static int palmas_adc_wakeup_reset(struct palmas_gpadc *adc)
>  
>  static int palmas_gpadc_suspend(struct device *dev)
>  {
> -	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
> +	struct iio_dev *indio_dev = dev_get_drvdata(dev);
>  	struct palmas_gpadc *adc = iio_priv(indio_dev);
>  	int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
>  	int ret;
> @@ -798,7 +798,7 @@ static int palmas_gpadc_suspend(struct device *dev)
>  
>  static int palmas_gpadc_resume(struct device *dev)
>  {
> -	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
> +	struct iio_dev *indio_dev = dev_get_drvdata(dev);
>  	struct palmas_gpadc *adc = iio_priv(indio_dev);
>  	int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
>  	int ret;
> 

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