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Diffstat (limited to 'drivers/iio/inkern.c')
-rw-r--r--drivers/iio/inkern.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index fe30bcb6a57b..db77a2d4a56b 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -191,8 +191,8 @@ err_free_channel:
return ERR_PTR(err);
}
-static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
- const char *name)
+struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
+ const char *name)
{
struct iio_channel *chan = NULL;
@@ -230,6 +230,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
return chan;
}
+EXPORT_SYMBOL_GPL(of_iio_channel_get_by_name);
static struct iio_channel *of_iio_channel_get_all(struct device *dev)
{
@@ -272,12 +273,6 @@ error_free_chans:
#else /* CONFIG_OF */
-static inline struct iio_channel *
-of_iio_channel_get_by_name(struct device_node *np, const char *name)
-{
- return NULL;
-}
-
static inline struct iio_channel *of_iio_channel_get_all(struct device *dev)
{
return NULL;
@@ -393,6 +388,29 @@ struct iio_channel *devm_iio_channel_get(struct device *dev,
}
EXPORT_SYMBOL_GPL(devm_iio_channel_get);
+struct iio_channel *devm_of_iio_channel_get_by_name(struct device *dev,
+ struct device_node *np,
+ const char *channel_name)
+{
+ struct iio_channel **ptr, *channel;
+
+ ptr = devres_alloc(devm_iio_channel_free, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ channel = of_iio_channel_get_by_name(np, channel_name);
+ if (IS_ERR(channel)) {
+ devres_free(ptr);
+ return channel;
+ }
+
+ *ptr = channel;
+ devres_add(dev, ptr);
+
+ return channel;
+}
+EXPORT_SYMBOL_GPL(devm_of_iio_channel_get_by_name);
+
struct iio_channel *iio_channel_get_all(struct device *dev)
{
const char *name;