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Date:   Tue,  7 Feb 2017 13:59:33 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alison Schofield <amsfield22@...il.com>,
        "Andrew F. Davis" <afd@...com>, Jonathan Cameron <jic23@...nel.org>
Subject: [PATCH 4.9 59/66] iio: health: afe4403: retrieve a valid iio_dev in suspend/resume

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

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

From: Alison Schofield <amsfield22@...il.com>

commit a5badd1e97e6caeca78ad74191f12fc923c403a8 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 spi
functions to get the correct iio_dev.

Signed-off-by: Alison Schofield <amsfield22@...il.com>
Acked-by: Andrew F. Davis <afd@...com>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/health/afe4403.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/iio/health/afe4403.c
+++ b/drivers/iio/health/afe4403.c
@@ -422,7 +422,7 @@ MODULE_DEVICE_TABLE(of, afe4403_of_match
 
 static int __maybe_unused afe4403_suspend(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = spi_get_drvdata(to_spi_device(dev));
 	struct afe4403_data *afe = iio_priv(indio_dev);
 	int ret;
 
@@ -443,7 +443,7 @@ static int __maybe_unused afe4403_suspen
 
 static int __maybe_unused afe4403_resume(struct device *dev)
 {
-	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
+	struct iio_dev *indio_dev = spi_get_drvdata(to_spi_device(dev));
 	struct afe4403_data *afe = iio_priv(indio_dev);
 	int ret;
 


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