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Diffstat (limited to 'drivers/iio/industrialio-core.c')
-rw-r--r--drivers/iio/industrialio-core.c46
1 files changed, 18 insertions, 28 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 9c4d92115504..f5a4581302f4 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -19,6 +19,7 @@
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/poll.h>
+#include <linux/property.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/cdev.h>
@@ -530,8 +531,8 @@ ssize_t iio_show_mount_matrix(struct iio_dev *indio_dev, uintptr_t priv,
EXPORT_SYMBOL_GPL(iio_show_mount_matrix);
/**
- * of_iio_read_mount_matrix() - retrieve iio device mounting matrix from
- * device-tree "mount-matrix" property
+ * iio_read_mount_matrix() - retrieve iio device mounting matrix from
+ * device "mount-matrix" property
* @dev: device the mounting matrix property is assigned to
* @propname: device specific mounting matrix property name
* @matrix: where to store retrieved matrix
@@ -541,40 +542,29 @@ EXPORT_SYMBOL_GPL(iio_show_mount_matrix);
*
* Return: 0 if success, or a negative error code on failure.
*/
-#ifdef CONFIG_OF
-int of_iio_read_mount_matrix(const struct device *dev,
- const char *propname,
- struct iio_mount_matrix *matrix)
+int iio_read_mount_matrix(struct device *dev, const char *propname,
+ struct iio_mount_matrix *matrix)
{
- if (dev->of_node) {
- int err = of_property_read_string_array(dev->of_node,
- propname, matrix->rotation,
- ARRAY_SIZE(iio_mount_idmatrix.rotation));
+ size_t len = ARRAY_SIZE(iio_mount_idmatrix.rotation);
+ int err;
- if (err == ARRAY_SIZE(iio_mount_idmatrix.rotation))
- return 0;
+ err = device_property_read_string_array(dev, propname,
+ matrix->rotation, len);
+ if (err == len)
+ return 0;
- if (err >= 0)
- /* Invalid number of matrix entries. */
- return -EINVAL;
+ if (err >= 0)
+ /* Invalid number of matrix entries. */
+ return -EINVAL;
- if (err != -EINVAL)
- /* Invalid matrix declaration format. */
- return err;
- }
+ if (err != -EINVAL)
+ /* Invalid matrix declaration format. */
+ return err;
/* Matrix was not declared at all: fallback to identity. */
return iio_setup_mount_idmatrix(dev, matrix);
}
-#else
-int of_iio_read_mount_matrix(const struct device *dev,
- const char *propname,
- struct iio_mount_matrix *matrix)
-{
- return iio_setup_mount_idmatrix(dev, matrix);
-}
-#endif
-EXPORT_SYMBOL(of_iio_read_mount_matrix);
+EXPORT_SYMBOL(iio_read_mount_matrix);
static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type,
int size, const int *vals)