staging:iio: implement an iio_info structure to take some of the constant elements out of iio_dev.

This was suggested by Arnd Bergmann,  Other elements may well
move in here in future, but it definitely makes sense for these.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

7 files changed, 43 insertions, 25 deletions

diff --git a/drivers/staging/iio/dds/ad5930.c b/drivers/staging/iio/dds/ad5930.c
index 5d98f93..490c363 100644
--- a/drivers/staging/iio/dds/ad5930.c
+++ b/drivers/staging/iio/dds/ad5930.c
@@ -87,6 +87,12 @@ static const struct attribute_group ad5930_attribute_group = {
 	.attrs = ad5930_attributes,
 };
 
+static const struct iio_info ad5930_info = {
+	.attrs = &ad5930_attribute_group,
+
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad5930_probe(struct spi_device *spi)
 {
 	struct ad5930_state *st;
@@ -108,12 +114,8 @@ static int __devinit ad5930_probe(struct spi_device *spi)
 		goto error_free_st;
 	}
 	st->idev->dev.parent = &spi->dev;
-	st->idev->num_interrupt_lines = 0;
-	st->idev->event_attrs = NULL;
-
-	st->idev->attrs = &ad5930_attribute_group;
 	st->idev->dev_data = (void *)(st);
-	st->idev->driver_module = THIS_MODULE;
+	st->idev->info = &ad5930_info;
 	st->idev->modes = INDIO_DIRECT_MODE;
 
 	ret = iio_device_register(st->idev);
diff --git a/drivers/staging/iio/dds/ad9832.c b/drivers/staging/iio/dds/ad9832.c
index 4b5721c..e8fe142 100644
--- a/drivers/staging/iio/dds/ad9832.c
+++ b/drivers/staging/iio/dds/ad9832.c
@@ -195,6 +195,11 @@ static const struct attribute_group ad9832_attribute_group = {
 	.attrs = ad9832_attributes,
 };
 
+static const struct iio_info ad9832_info = {
+	.attrs = &ad9832_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9832_probe(struct spi_device *spi)
 {
 	struct ad9832_platform_data *pdata = spi->dev.platform_data;
@@ -232,9 +237,8 @@ static int __devinit ad9832_probe(struct spi_device *spi)
 
 	st->indio_dev->dev.parent = &spi->dev;
 	st->indio_dev->name = spi_get_device_id(spi)->name;
-	st->indio_dev->attrs = &ad9832_attribute_group;
+	st->indio_dev->info = &ad9832_info;
 	st->indio_dev->dev_data = (void *) st;
-	st->indio_dev->driver_module = THIS_MODULE;
 	st->indio_dev->modes = INDIO_DIRECT_MODE;
 
 	/* Setup default messages */
diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c
index e5303e6..0ebe8d5 100644
--- a/drivers/staging/iio/dds/ad9834.c
+++ b/drivers/staging/iio/dds/ad9834.c
@@ -305,6 +305,11 @@ static const struct attribute_group ad9834_attribute_group = {
 	.is_visible = ad9834_attr_is_visible,
 };
 
+static const struct iio_info ad9834_info = {
+	.attrs = &ad9834_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9834_probe(struct spi_device *spi)
 {
 	struct ad9834_platform_data *pdata = spi->dev.platform_data;
@@ -344,9 +349,8 @@ static int __devinit ad9834_probe(struct spi_device *spi)
 
 	st->indio_dev->dev.parent = &spi->dev;
 	st->indio_dev->name = spi_get_device_id(spi)->name;
-	st->indio_dev->attrs = &ad9834_attribute_group;
+	st->indio_dev->info = &ad9834_info;
 	st->indio_dev->dev_data = (void *) st;
-	st->indio_dev->driver_module = THIS_MODULE;
 	st->indio_dev->modes = INDIO_DIRECT_MODE;
 
 	/* Setup default messages */
diff --git a/drivers/staging/iio/dds/ad9850.c b/drivers/staging/iio/dds/ad9850.c
index 34bc0e6..b580d85 100644
--- a/drivers/staging/iio/dds/ad9850.c
+++ b/drivers/staging/iio/dds/ad9850.c
@@ -73,6 +73,11 @@ static const struct attribute_group ad9850_attribute_group = {
 	.attrs = ad9850_attributes,
 };
 
+static const struct iio_info ad9850_info = {
+	.attrs = &ad9850_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9850_probe(struct spi_device *spi)
 {
 	struct ad9850_state *st;
@@ -94,12 +99,9 @@ static int __devinit ad9850_probe(struct spi_device *spi)
 		goto error_free_st;
 	}
 	st->idev->dev.parent = &spi->dev;
-	st->idev->num_interrupt_lines = 0;
-	st->idev->event_attrs = NULL;
 
-	st->idev->attrs = &ad9850_attribute_group;
+	st->idev->info = &ad9850_info;
 	st->idev->dev_data = (void *)(st);
-	st->idev->driver_module = THIS_MODULE;
 	st->idev->modes = INDIO_DIRECT_MODE;
 
 	ret = iio_device_register(st->idev);
diff --git a/drivers/staging/iio/dds/ad9852.c b/drivers/staging/iio/dds/ad9852.c
index 899a72a..08020f9 100644
--- a/drivers/staging/iio/dds/ad9852.c
+++ b/drivers/staging/iio/dds/ad9852.c
@@ -222,6 +222,11 @@ static const struct attribute_group ad9852_attribute_group = {
 	.attrs = ad9852_attributes,
 };
 
+static const struct iio_info ad9852_info = {
+	.attrs = &ad9852_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9852_probe(struct spi_device *spi)
 {
 	struct ad9852_state *st;
@@ -243,12 +248,9 @@ static int __devinit ad9852_probe(struct spi_device *spi)
 		goto error_free_st;
 	}
 	st->idev->dev.parent = &spi->dev;
-	st->idev->num_interrupt_lines = 0;
-	st->idev->event_attrs = NULL;
 
-	st->idev->attrs = &ad9852_attribute_group;
+	st->idev->info = &ad9852_info;
 	st->idev->dev_data = (void *)(st);
-	st->idev->driver_module = THIS_MODULE;
 	st->idev->modes = INDIO_DIRECT_MODE;
 
 	ret = iio_device_register(st->idev);
diff --git a/drivers/staging/iio/dds/ad9910.c b/drivers/staging/iio/dds/ad9910.c
index fddb6e7..97d75d7 100644
--- a/drivers/staging/iio/dds/ad9910.c
+++ b/drivers/staging/iio/dds/ad9910.c
@@ -357,6 +357,11 @@ static const struct attribute_group ad9910_attribute_group = {
 	.attrs = ad9910_attributes,
 };
 
+static const struct iio_info ad9910_info = {
+	.attrs = &ad9910_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9910_probe(struct spi_device *spi)
 {
 	struct ad9910_state *st;
@@ -378,12 +383,9 @@ static int __devinit ad9910_probe(struct spi_device *spi)
 		goto error_free_st;
 	}
 	st->idev->dev.parent = &spi->dev;
-	st->idev->num_interrupt_lines = 0;
-	st->idev->event_attrs = NULL;
 
-	st->idev->attrs = &ad9910_attribute_group;
+	st->idev->info = &ad9910_info;
 	st->idev->dev_data = (void *)(st);
-	st->idev->driver_module = THIS_MODULE;
 	st->idev->modes = INDIO_DIRECT_MODE;
 
 	ret = iio_device_register(st->idev);
diff --git a/drivers/staging/iio/dds/ad9951.c b/drivers/staging/iio/dds/ad9951.c
index a9e56c6..d4dfcd4 100644
--- a/drivers/staging/iio/dds/ad9951.c
+++ b/drivers/staging/iio/dds/ad9951.c
@@ -166,6 +166,11 @@ static const struct attribute_group ad9951_attribute_group = {
 	.attrs = ad9951_attributes,
 };
 
+static const struct iio_info ad9951_info = {
+	.attrs = &ad9951_attribute_group,
+	.driver_module = THIS_MODULE,
+};
+
 static int __devinit ad9951_probe(struct spi_device *spi)
 {
 	struct ad9951_state *st;
@@ -187,12 +192,9 @@ static int __devinit ad9951_probe(struct spi_device *spi)
 		goto error_free_st;
 	}
 	st->idev->dev.parent = &spi->dev;
-	st->idev->num_interrupt_lines = 0;
-	st->idev->event_attrs = NULL;
 
-	st->idev->attrs = &ad9951_attribute_group;
+	st->idev->info = &ad9951_info;
 	st->idev->dev_data = (void *)(st);
-	st->idev->driver_module = THIS_MODULE;
 	st->idev->modes = INDIO_DIRECT_MODE;
 
 	ret = iio_device_register(st->idev);