[PATCH 1/9] iio: backend: remove unused parameter

[Nuno Sa <nuno.sa@xxxxxxxxxx>]

Indio_dev was not being used in iio_backend_extend_chan_spec() so remove
it.

Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
 drivers/iio/dac/ad9739a.c          | 3 +--
 drivers/iio/industrialio-backend.c | 4 +---
 include/linux/iio/backend.h        | 3 +--
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/dac/ad9739a.c b/drivers/iio/dac/ad9739a.c
index f56eabe53723..9b1570e788b6 100644
--- a/drivers/iio/dac/ad9739a.c
+++ b/drivers/iio/dac/ad9739a.c
@@ -413,8 +413,7 @@ static int ad9739a_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	ret = iio_backend_extend_chan_spec(indio_dev, st->back,
-					   &ad9739a_channels[0]);
+	ret = iio_backend_extend_chan_spec(st->back, &ad9739a_channels[0]);
 	if (ret)
 		return ret;
 
diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-backend.c
index efe05be284b6..65a42944d090 100644
--- a/drivers/iio/industrialio-backend.c
+++ b/drivers/iio/industrialio-backend.c
@@ -451,7 +451,6 @@ EXPORT_SYMBOL_NS_GPL(iio_backend_ext_info_set, IIO_BACKEND);
 
 /**
  * iio_backend_extend_chan_spec - Extend an IIO channel
- * @indio_dev: IIO device
  * @back: Backend device
  * @chan: IIO channel
  *
@@ -461,8 +460,7 @@ EXPORT_SYMBOL_NS_GPL(iio_backend_ext_info_set, IIO_BACKEND);
  * RETURNS:
  * 0 on success, negative error number on failure.
  */
-int iio_backend_extend_chan_spec(struct iio_dev *indio_dev,
-				 struct iio_backend *back,
+int iio_backend_extend_chan_spec(struct iio_backend *back,
 				 struct iio_chan_spec *chan)
 {
 	const struct iio_chan_spec_ext_info *frontend_ext_info = chan->ext_info;
diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h
index 8099759d7242..4e81931703ab 100644
--- a/include/linux/iio/backend.h
+++ b/include/linux/iio/backend.h
@@ -142,8 +142,7 @@ ssize_t iio_backend_ext_info_set(struct iio_dev *indio_dev, uintptr_t private,
 ssize_t iio_backend_ext_info_get(struct iio_dev *indio_dev, uintptr_t private,
 				 const struct iio_chan_spec *chan, char *buf);
 
-int iio_backend_extend_chan_spec(struct iio_dev *indio_dev,
-				 struct iio_backend *back,
+int iio_backend_extend_chan_spec(struct iio_backend *back,
 				 struct iio_chan_spec *chan);
 void *iio_backend_get_priv(const struct iio_backend *conv);
 struct iio_backend *devm_iio_backend_get(struct device *dev, const char *name);

-- 
2.45.2