staging:iio:frequency: Use dev_to_iio_dev()

Replace open-coded instances of getting a iio_dev struct from a device struct
with dev_to_iio_dev().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/frequency/ad5930.c

@@ -48,7 +48,7 @@ static ssize_t ad5930_set_parameter(struct device *dev,
 	struct spi_transfer xfer;
 	int ret;
 	struct ad5903_config *config = (struct ad5903_config *)buf;
-	struct iio_dev *idev = dev_get_drvdata(dev);
+	struct iio_dev *idev = dev_to_iio_dev(dev);
 	struct ad5930_state *st = iio_priv(idev);
 
 	config->control = (config->control & ~value_mask);

drivers/staging/iio/frequency/ad9832.c

@@ -77,7 +77,7 @@ static ssize_t ad9832_write(struct device *dev,
 		const char *buf,
 		size_t len)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9832_state *st = iio_priv(indio_dev);
 	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
 	int ret;

drivers/staging/iio/frequency/ad9834.c

@@ -66,7 +66,7 @@ static ssize_t ad9834_write(struct device *dev,
 		const char *buf,
 		size_t len)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9834_state *st = iio_priv(indio_dev);
 	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
 	int ret;
@@ -145,7 +145,7 @@ static ssize_t ad9834_store_wavetype(struct device *dev,
 				 const char *buf,
 				 size_t len)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9834_state *st = iio_priv(indio_dev);
 	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
 	int ret = 0;
@@ -203,7 +203,7 @@ static ssize_t ad9834_show_out0_wavetype_available(struct device *dev,
 						struct device_attribute *attr,
 						char *buf)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9834_state *st = iio_priv(indio_dev);
 	char *str;
 
@@ -225,7 +225,7 @@ static ssize_t ad9834_show_out1_wavetype_available(struct device *dev,
 						struct device_attribute *attr,
 						char *buf)
 {
-	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
 	struct ad9834_state *st = iio_priv(indio_dev);
 	char *str;
 

drivers/staging/iio/frequency/ad9850.c

@@ -43,7 +43,7 @@ static ssize_t ad9850_set_parameter(struct device *dev,
 	struct spi_transfer xfer;
 	int ret;
 	struct ad9850_config *config = (struct ad9850_config *)buf;
-	struct iio_dev *idev = dev_get_drvdata(dev);
+	struct iio_dev *idev = dev_to_iio_dev(dev);
 	struct ad9850_state *st = iio_priv(idev);
 
 	xfer.len = len;

drivers/staging/iio/frequency/ad9852.c

@@ -71,7 +71,7 @@ static ssize_t ad9852_set_parameter(struct device *dev,
 	struct spi_transfer xfer;
 	int ret;
 	struct ad9852_config *config = (struct ad9852_config *)buf;
-	struct iio_dev *idev = dev_get_drvdata(dev);
+	struct iio_dev *idev = dev_to_iio_dev(dev);
 	struct ad9852_state *st = iio_priv(idev);
 
 	xfer.len = 3;

drivers/staging/iio/frequency/ad9910.c

@@ -123,7 +123,7 @@ static ssize_t ad9910_set_parameter(struct device *dev,
 	struct spi_transfer xfer;
 	int ret;
 	struct ad9910_config *config = (struct ad9910_config *)buf;
-	struct iio_dev *idev = dev_get_drvdata(dev);
+	struct iio_dev *idev = dev_to_iio_dev(dev);
 	struct ad9910_state *st = iio_priv(idev);
 
 	xfer.len = 5;

drivers/staging/iio/frequency/ad9951.c

@@ -64,7 +64,7 @@ static ssize_t ad9951_set_parameter(struct device *dev,
 	struct spi_transfer xfer;
 	int ret;
 	struct ad9951_config *config = (struct ad9951_config *)buf;
-	struct iio_dev *idev = dev_get_drvdata(dev);
+	struct iio_dev *idev = dev_to_iio_dev(dev);
 	struct ad9951_state *st = iio_priv(idev);
 
 	xfer.len = 3;