[PATCH 4.9 58/66] iio: health: afe4404: retrieve a valid iio_dev in suspend/resume

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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alison Schofield <amsfield22@xxxxxxxxx>

commit 802ecfc113df1e15af1d028427cbbe785ae9cc4a upstream.

The suspend/resume functions were using dev_to_iio_dev() to get
the iio_dev. That only works on IIO dev's.  Replace it with i2c
functions to get the correct iio_dev.

Signed-off-by: Alison Schofield <amsfield22@xxxxxxxxx>
Acked-by: Andrew F. Davis <afd@xxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/iio/health/afe4404.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/iio/health/afe4404.c
+++ b/drivers/iio/health/afe4404.c
@@ -428,7 +428,7 @@ MODULE_DEVICE_TABLE(of, afe4404_of_match
 
 static int __maybe_unused afe4404_suspend(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
 	struct afe4404_data *afe = iio_priv(indio_dev);
 	int ret;
 
@@ -449,7 +449,7 @@ static int __maybe_unused afe4404_suspen
 
 static int __maybe_unused afe4404_resume(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
 	struct afe4404_data *afe = iio_priv(indio_dev);
 	int ret;
 


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